diff --git a/src/NTwain/Data/TWAINH.cs b/src/NTwain/Data/TWAINH.cs
index f801fbb..2209504 100644
--- a/src/NTwain/Data/TWAINH.cs
+++ b/src/NTwain/Data/TWAINH.cs
@@ -48,4565 +48,4570 @@ using System.Text;
 
 namespace NTwain.Data
 {
-  ///// <summary>
-  ///// This file contains content gleaned from version 2.4 of the C/C++ H
-  ///// header file released by the TWAIN Working Group.  It's organized like that
-  ///// file to make it easier to maintain.
-  ///// 
-  ///// Please do not add any code to this module, save for the minimum needed to
-  ///// maintain a particular definition (such as TW_STR32)...
-  ///// </summary>
-  //public partial class TWAIN
-  //{
-  ///////////////////////////////////////////////////////////////////////////////
-  // TWAIN Version...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Protocol Version...
-  public enum TWON_PROTOCOL
-  {
-    MAJOR = 2,
-    MINOR = 5 // Changed for Version 2.5
-  };
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Type Definitions...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Type Definitions...
-
-  // Follow these rules
-  /******************************************************************************
-
-  TW_HANDLE...............IntPtr
-  TW_MEMREF...............IntPtr
-  TW_UINTPTR..............UIntPtr
-
-  TW_INT8.................char
-  TW_INT16................short
-  TW_INT32................int (was long on Linux 64-bit)
-
-  TW_UINT8................byte
-  TW_UINT16...............ushort
-  TW_UINT32...............uint (was ulong on Linux 64-bit)
-  TW_BOOL.................ushort
-
-  ******************************************************************************/
-
-  /// <summary>
-  /// Our supported platforms...
-  /// </summary>
-  public enum Platform
-  {
-    UNKNOWN,
-    WINDOWS,
-    LINUX,
-    MACOSX
-  };
-
-  /// <summary>
-  /// Our supported processors...
-  /// </summary>
-  public enum Processor
-  {
-    UNKNOWN,
-    X86,
-    X86_64,
-    MIPS64EL
-  };
-
-  /// <summary>
-  /// Used for strings that go up to 32-bytes...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
-  public partial struct TW_STR32
-  {
-    /// <summary>
-    /// We're stuck with this, because marshalling with packed alignment
-    /// can't handle arrays...
-    /// </summary>
-    private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
-    private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
-    private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
-    private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
-    private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
-    private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
-    private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
-    private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
-    private byte byItem032; private byte byItem033;
-
-    /// <summary>
-    /// The normal get...
-    /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string Get(Encoding? encoding = null)
+    ///// <summary>
+    ///// This file contains content gleaned from version 2.4 of the C/C++ H
+    ///// header file released by the TWAIN Working Group.  It's organized like that
+    ///// file to make it easier to maintain.
+    ///// 
+    ///// Please do not add any code to this module, save for the minimum needed to
+    ///// maintain a particular definition (such as TW_STR32)...
+    ///// </summary>
+    //public partial class TWAIN
+    //{
+    ///////////////////////////////////////////////////////////////////////////////
+    // TWAIN Version...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Protocol Version...
+    public enum TWON_PROTOCOL
     {
-      return (GetValue(true, encoding));
-    }
+        MAJOR = 2,
+        MINOR = 5 // Changed for Version 2.5
+    };
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Type Definitions...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Type Definitions...
+
+    // Follow these rules
+    /******************************************************************************
+
+    TW_HANDLE...............IntPtr
+    TW_MEMREF...............IntPtr
+    TW_UINTPTR..............UIntPtr
+
+    TW_INT8.................char
+    TW_INT16................short
+    TW_INT32................int (was long on Linux 64-bit)
+
+    TW_UINT8................byte
+    TW_UINT16...............ushort
+    TW_UINT32...............uint (was ulong on Linux 64-bit)
+    TW_BOOL.................ushort
+
+    ******************************************************************************/
 
     /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
+    /// Our supported platforms...
     /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string GetNoPrefix(Encoding? encoding = null)
+    public enum Platform
     {
-      return (GetValue(false, encoding));
-    }
+        UNKNOWN,
+        WINDOWS,
+        LINUX,
+        MACOSX
+    };
 
     /// <summary>
-    /// Get our value...
+    /// Our supported processors...
     /// </summary>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
+    public enum Processor
     {
-      // convert what we have into a byte array
-      byte[] abyItem = new byte[34];
-      abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
-      abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
-      abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
-      abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
-      abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
-      abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
-      abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
-      abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
-      abyItem[32] = byItem032; abyItem[33] = byItem033;
+        UNKNOWN,
+        X86,
+        X86_64,
+        MIPS64EL
+    };
 
-      // Zero anything after the NUL...
-      bool blNul = false;
-      for (int ii = 0; ii < abyItem.Length; ii++)
-      {
-        if (!blNul && (abyItem[ii] == 0))
+    /// <summary>
+    /// Used for strings that go up to 32-bytes...
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
+    public partial struct TW_STR32
+    {
+        /// <summary>
+        /// We're stuck with this, because marshalling with packed alignment
+        /// can't handle arrays...
+        /// </summary>
+        private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
+        private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
+        private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
+        private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
+        private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
+        private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
+        private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
+        private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
+        private byte byItem032; private byte byItem033;
+
+        /// <summary>
+        /// The normal get...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string Get(Encoding? encoding = null)
         {
-          blNul = true;
+            return (GetValue(true, encoding));
         }
-        else if (blNul)
+
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string GetNoPrefix(Encoding? encoding = null)
         {
-          abyItem[ii] = 0;
+            return (GetValue(false, encoding));
         }
-      }
 
-      // change encoding of byte array, then convert the bytes array to a string
-      string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
-
-      // If the first character is a NUL, then return the empty string...
-      while ((sz.Length > 0) && (sz[0] == '\0'))
-      {
-        sz = sz.Remove(0, 1);
-      }
-
-      // We have an emptry string...
-      if (sz.Length == 0)
-      {
-        return ("");
-      }
-
-      // If we're running on a Mac, take off the prefix 'byte'...
-      if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        sz = sz.Remove(0, 1);
-      }
-
-      // If we detect a NUL, then split around it...
-      if (sz.IndexOf('\0') >= 0)
-      {
-        sz = sz.Split(new char[] { '\0' })[0];
-      }
-
-      // All done...
-      return (sz);
-    }
-
-    /// <summary>
-    /// The normal set...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void Set(string a_sz, Encoding? encoding = null)
-    {
-      SetValue(a_sz, true, encoding);
-    }
-
-    /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void SetNoPrefix(string a_sz, Encoding? encoding = null)
-    {
-      SetValue(a_sz, false, encoding);
-    }
-
-    /// <summary>
-    /// Set our value...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
-    {
-      // If we're running on a Mac, tack on the prefix 'byte'...
-      if (a_sz == null)
-      {
-        a_sz = "";
-      }
-      else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        a_sz = (char)a_sz.Length + a_sz;
-      }
-
-      // Make sure that we're NUL padded...
-      string sz = a_sz +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0";
-      if (sz.Length > 34)
-      {
-        sz = sz.Remove(34);
-      }
-
-      // convert string to byte array, then change the encoding of the byte array
-      byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
-
-      // convert byte array to bytes
-      if (abyItem.Length > 0)
-      {
-        byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
-        byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
-        byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
-        byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
-        byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
-        byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
-        byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
-        byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
-        byItem032 = abyItem[32]; byItem033 = abyItem[33];
-      }
-    }
-  }
-
-  /// <summary>
-  /// Used for strings that go up to 64-bytes...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
-  public partial struct TW_STR64
-  {
-    /// <summary>
-    /// We're stuck with this, because marshalling with packed alignment
-    /// can't handle arrays...
-    /// </summary>
-    private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
-    private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
-    private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
-    private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
-    private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
-    private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
-    private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
-    private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
-    private byte byItem032; private byte byItem033; private byte byItem034; private byte byItem035;
-    private byte byItem036; private byte byItem037; private byte byItem038; private byte byItem039;
-    private byte byItem040; private byte byItem041; private byte byItem042; private byte byItem043;
-    private byte byItem044; private byte byItem045; private byte byItem046; private byte byItem047;
-    private byte byItem048; private byte byItem049; private byte byItem050; private byte byItem051;
-    private byte byItem052; private byte byItem053; private byte byItem054; private byte byItem055;
-    private byte byItem056; private byte byItem057; private byte byItem058; private byte byItem059;
-    private byte byItem060; private byte byItem061; private byte byItem062; private byte byItem063;
-    private byte byItem064; private byte byItem065;
-
-    /// <summary>
-    /// The normal get...
-    /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string Get(Encoding? encoding = null)
-    {
-      return (GetValue(true, encoding));
-    }
-
-    /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
-    /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string GetNoPrefix(Encoding? encoding = null)
-    {
-      return (GetValue(false, encoding));
-    }
-
-    /// <summary>
-    /// Get our value...
-    /// </summary>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
-    {
-      // convert what we have into a byte array
-      byte[] abyItem = new byte[66];
-      abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
-      abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
-      abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
-      abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
-      abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
-      abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
-      abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
-      abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
-      abyItem[32] = byItem032; abyItem[33] = byItem033; abyItem[34] = byItem034; abyItem[35] = byItem035;
-      abyItem[36] = byItem036; abyItem[37] = byItem037; abyItem[38] = byItem038; abyItem[39] = byItem039;
-      abyItem[40] = byItem040; abyItem[41] = byItem041; abyItem[42] = byItem042; abyItem[43] = byItem043;
-      abyItem[44] = byItem044; abyItem[45] = byItem045; abyItem[46] = byItem046; abyItem[47] = byItem047;
-      abyItem[48] = byItem048; abyItem[49] = byItem049; abyItem[50] = byItem050; abyItem[51] = byItem051;
-      abyItem[52] = byItem052; abyItem[53] = byItem053; abyItem[54] = byItem054; abyItem[55] = byItem055;
-      abyItem[56] = byItem056; abyItem[57] = byItem057; abyItem[58] = byItem058; abyItem[59] = byItem059;
-      abyItem[60] = byItem060; abyItem[61] = byItem061; abyItem[62] = byItem062; abyItem[63] = byItem063;
-      abyItem[64] = byItem064; abyItem[65] = byItem065;
-
-      // Zero anything after the NUL...
-      bool blNul = false;
-      for (int ii = 0; ii < abyItem.Length; ii++)
-      {
-        if (!blNul && (abyItem[ii] == 0))
+        /// <summary>
+        /// Get our value...
+        /// </summary>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
         {
-          blNul = true;
+            // convert what we have into a byte array
+            byte[] abyItem = new byte[34];
+            abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
+            abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
+            abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
+            abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
+            abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
+            abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
+            abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
+            abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
+            abyItem[32] = byItem032; abyItem[33] = byItem033;
+
+            // Zero anything after the NUL...
+            bool blNul = false;
+            for (int ii = 0; ii < abyItem.Length; ii++)
+            {
+                if (!blNul && (abyItem[ii] == 0))
+                {
+                    blNul = true;
+                }
+                else if (blNul)
+                {
+                    abyItem[ii] = 0;
+                }
+            }
+
+            // change encoding of byte array, then convert the bytes array to a string
+            string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
+
+            // If the first character is a NUL, then return the empty string...
+            while ((sz.Length > 0) && (sz[0] == '\0'))
+            {
+                sz = sz.Remove(0, 1);
+            }
+
+            // We have an emptry string...
+            if (sz.Length == 0)
+            {
+                return ("");
+            }
+
+            // If we're running on a Mac, take off the prefix 'byte'...
+            if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                sz = sz.Remove(0, 1);
+            }
+
+            // If we detect a NUL, then split around it...
+            if (sz.IndexOf('\0') >= 0)
+            {
+                sz = sz.Split(new char[] { '\0' })[0];
+            }
+
+            // All done...
+            return (sz);
         }
-        else if (blNul)
+
+        /// <summary>
+        /// The normal set...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void Set(string a_sz, Encoding? encoding = null)
         {
-          abyItem[ii] = 0;
+            SetValue(a_sz, true, encoding);
         }
-      }
 
-      // change encoding of byte array, then convert the bytes array to a string
-      string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
-
-      // If the first character is a NUL, then return the empty string...
-      if (sz[0] == '\0')
-      {
-        return ("");
-      }
-
-      // If we're running on a Mac, take off the prefix 'byte'...
-      if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        sz = sz.Remove(0, 1);
-      }
-
-      // If we detect a NUL, then split around it...
-      if (sz.IndexOf('\0') >= 0)
-      {
-        sz = sz.Split(new char[] { '\0' })[0];
-      }
-
-      // All done...
-      return (sz);
-    }
-
-    /// <summary>
-    /// The normal set...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void Set(string a_sz, Encoding? encoding = null)
-    {
-      SetValue(a_sz, true, encoding);
-    }
-
-    /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void SetNoPrefix(string a_sz, Encoding? encoding = null)
-    {
-      SetValue(a_sz, false, encoding);
-    }
-
-    /// <summary>
-    /// Set our value...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
-    {
-      // If we're running on a Mac, tack on the prefix 'byte'...
-      if (a_sz == null)
-      {
-        a_sz = "";
-      }
-      else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        a_sz = (char)a_sz.Length + a_sz;
-      }
-
-      // Make sure that we're NUL padded...
-      string sz =
-          a_sz +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0";
-      if (sz.Length > 66)
-      {
-        sz = sz.Remove(66);
-      }
-
-      // convert string to byte array, then change the encoding of the byte array
-      byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
-
-      // concert byte array to bytes
-      byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
-      byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
-      byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
-      byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
-      byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
-      byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
-      byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
-      byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
-      byItem032 = abyItem[32]; byItem033 = abyItem[33]; byItem034 = abyItem[34]; byItem035 = abyItem[35];
-      byItem036 = abyItem[36]; byItem037 = abyItem[37]; byItem038 = abyItem[38]; byItem039 = abyItem[39];
-      byItem040 = abyItem[40]; byItem041 = abyItem[41]; byItem042 = abyItem[42]; byItem043 = abyItem[43];
-      byItem044 = abyItem[44]; byItem045 = abyItem[45]; byItem046 = abyItem[46]; byItem047 = abyItem[47];
-      byItem048 = abyItem[48]; byItem049 = abyItem[49]; byItem050 = abyItem[50]; byItem051 = abyItem[51];
-      byItem052 = abyItem[52]; byItem053 = abyItem[53]; byItem054 = abyItem[54]; byItem055 = abyItem[55];
-      byItem056 = abyItem[56]; byItem057 = abyItem[57]; byItem058 = abyItem[58]; byItem059 = abyItem[59];
-      byItem060 = abyItem[60]; byItem061 = abyItem[61]; byItem062 = abyItem[62]; byItem063 = abyItem[63];
-      byItem064 = abyItem[64]; byItem065 = abyItem[65];
-    }
-  }
-
-  /// <summary>
-  /// Used for strings that go up to 128-bytes...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
-  public partial struct TW_STR128
-  {
-    /// <summary>
-    /// We're stuck with this, because marshalling with packed alignment
-    /// can't handle arrays...
-    /// </summary>
-    private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
-    private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
-    private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
-    private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
-    private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
-    private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
-    private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
-    private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
-    private byte byItem032; private byte byItem033; private byte byItem034; private byte byItem035;
-    private byte byItem036; private byte byItem037; private byte byItem038; private byte byItem039;
-    private byte byItem040; private byte byItem041; private byte byItem042; private byte byItem043;
-    private byte byItem044; private byte byItem045; private byte byItem046; private byte byItem047;
-    private byte byItem048; private byte byItem049; private byte byItem050; private byte byItem051;
-    private byte byItem052; private byte byItem053; private byte byItem054; private byte byItem055;
-    private byte byItem056; private byte byItem057; private byte byItem058; private byte byItem059;
-    private byte byItem060; private byte byItem061; private byte byItem062; private byte byItem063;
-    private byte byItem064; private byte byItem065; private byte byItem066; private byte byItem067;
-    private byte byItem068; private byte byItem069; private byte byItem070; private byte byItem071;
-    private byte byItem072; private byte byItem073; private byte byItem074; private byte byItem075;
-    private byte byItem076; private byte byItem077; private byte byItem078; private byte byItem079;
-    private byte byItem080; private byte byItem081; private byte byItem082; private byte byItem083;
-    private byte byItem084; private byte byItem085; private byte byItem086; private byte byItem087;
-    private byte byItem088; private byte byItem089; private byte byItem090; private byte byItem091;
-    private byte byItem092; private byte byItem093; private byte byItem094; private byte byItem095;
-    private byte byItem096; private byte byItem097; private byte byItem098; private byte byItem099;
-    private byte byItem100; private byte byItem101; private byte byItem102; private byte byItem103;
-    private byte byItem104; private byte byItem105; private byte byItem106; private byte byItem107;
-    private byte byItem108; private byte byItem109; private byte byItem110; private byte byItem111;
-    private byte byItem112; private byte byItem113; private byte byItem114; private byte byItem115;
-    private byte byItem116; private byte byItem117; private byte byItem118; private byte byItem119;
-    private byte byItem120; private byte byItem121; private byte byItem122; private byte byItem123;
-    private byte byItem124; private byte byItem125; private byte byItem126; private byte byItem127;
-    private byte byItem128; private byte byItem129;
-
-    /// <summary>
-    /// The normal get...
-    /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string Get(Encoding? encoding = null)
-    {
-      return (GetValue(true, encoding));
-    }
-
-    /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
-    /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string GetNoPrefix(Encoding? encoding = null)
-    {
-      return (GetValue(false, encoding));
-    }
-
-    /// <summary>
-    /// Get our value...
-    /// </summary>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
-    {
-      // convert what we have into a byte array
-      byte[] abyItem = new byte[130];
-      abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
-      abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
-      abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
-      abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
-      abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
-      abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
-      abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
-      abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
-      abyItem[32] = byItem032; abyItem[33] = byItem033; abyItem[34] = byItem034; abyItem[35] = byItem035;
-      abyItem[36] = byItem036; abyItem[37] = byItem037; abyItem[38] = byItem038; abyItem[39] = byItem039;
-      abyItem[40] = byItem040; abyItem[41] = byItem041; abyItem[42] = byItem042; abyItem[43] = byItem043;
-      abyItem[44] = byItem044; abyItem[45] = byItem045; abyItem[46] = byItem046; abyItem[47] = byItem047;
-      abyItem[48] = byItem048; abyItem[49] = byItem049; abyItem[50] = byItem050; abyItem[51] = byItem051;
-      abyItem[52] = byItem052; abyItem[53] = byItem053; abyItem[54] = byItem054; abyItem[55] = byItem055;
-      abyItem[56] = byItem056; abyItem[57] = byItem057; abyItem[58] = byItem058; abyItem[59] = byItem059;
-      abyItem[60] = byItem060; abyItem[61] = byItem061; abyItem[62] = byItem062; abyItem[63] = byItem063;
-      abyItem[64] = byItem064; abyItem[65] = byItem065; abyItem[66] = byItem066; abyItem[67] = byItem067;
-      abyItem[68] = byItem068; abyItem[69] = byItem069; abyItem[70] = byItem070; abyItem[71] = byItem071;
-      abyItem[72] = byItem072; abyItem[73] = byItem073; abyItem[74] = byItem074; abyItem[75] = byItem075;
-      abyItem[76] = byItem076; abyItem[77] = byItem077; abyItem[78] = byItem078; abyItem[79] = byItem079;
-      abyItem[80] = byItem080; abyItem[81] = byItem081; abyItem[82] = byItem082; abyItem[83] = byItem083;
-      abyItem[84] = byItem084; abyItem[85] = byItem085; abyItem[86] = byItem086; abyItem[87] = byItem087;
-      abyItem[88] = byItem088; abyItem[89] = byItem089; abyItem[90] = byItem090; abyItem[91] = byItem091;
-      abyItem[92] = byItem092; abyItem[93] = byItem093; abyItem[94] = byItem094; abyItem[95] = byItem095;
-      abyItem[96] = byItem096; abyItem[97] = byItem097; abyItem[98] = byItem098; abyItem[99] = byItem099;
-      abyItem[100] = byItem100; abyItem[101] = byItem101; abyItem[102] = byItem102; abyItem[103] = byItem103;
-      abyItem[104] = byItem104; abyItem[105] = byItem105; abyItem[106] = byItem106; abyItem[107] = byItem107;
-      abyItem[108] = byItem108; abyItem[109] = byItem109; abyItem[110] = byItem110; abyItem[111] = byItem111;
-      abyItem[112] = byItem112; abyItem[113] = byItem113; abyItem[114] = byItem114; abyItem[115] = byItem115;
-      abyItem[116] = byItem116; abyItem[117] = byItem117; abyItem[118] = byItem118; abyItem[119] = byItem119;
-      abyItem[120] = byItem120; abyItem[121] = byItem121; abyItem[122] = byItem122; abyItem[123] = byItem123;
-      abyItem[124] = byItem124; abyItem[125] = byItem125; abyItem[126] = byItem126; abyItem[127] = byItem127;
-      abyItem[128] = byItem128; abyItem[129] = byItem129;
-
-      // Zero anything after the NUL...
-      bool blNul = false;
-      for (int ii = 0; ii < abyItem.Length; ii++)
-      {
-        if (!blNul && (abyItem[ii] == 0))
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void SetNoPrefix(string a_sz, Encoding? encoding = null)
         {
-          blNul = true;
+            SetValue(a_sz, false, encoding);
         }
-        else if (blNul)
+
+        /// <summary>
+        /// Set our value...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
         {
-          abyItem[ii] = 0;
+            // If we're running on a Mac, tack on the prefix 'byte'...
+            if (a_sz == null)
+            {
+                a_sz = "";
+            }
+            else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                a_sz = (char)a_sz.Length + a_sz;
+            }
+
+            // Make sure that we're NUL padded...
+            string sz = a_sz +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0";
+            if (sz.Length > 34)
+            {
+                sz = sz.Remove(34);
+            }
+
+            // convert string to byte array, then change the encoding of the byte array
+            byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
+
+            // convert byte array to bytes
+            if (abyItem.Length > 0)
+            {
+                byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
+                byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
+                byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
+                byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
+                byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
+                byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
+                byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
+                byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
+                byItem032 = abyItem[32]; byItem033 = abyItem[33];
+            }
         }
-      }
-
-      // change encoding of byte array, then convert the bytes array to a string
-      string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
-
-      // If the first character is a NUL, then return the empty string...
-      if (sz[0] == '\0')
-      {
-        return ("");
-      }
-
-      // If we're running on a Mac, take off the prefix 'byte'...
-      if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        sz = sz.Remove(0, 1);
-      }
-
-      // If we detect a NUL, then split around it...
-      if (sz.IndexOf('\0') >= 0)
-      {
-        sz = sz.Split(new char[] { '\0' })[0];
-      }
-
-      // All done...
-      return (sz);
     }
 
     /// <summary>
-    /// The normal set...
+    /// Used for strings that go up to 64-bytes...
     /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void Set(string a_sz, Encoding? encoding = null)
+    [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
+    public partial struct TW_STR64
     {
-      SetValue(a_sz, true, encoding);
-    }
+        /// <summary>
+        /// We're stuck with this, because marshalling with packed alignment
+        /// can't handle arrays...
+        /// </summary>
+        private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
+        private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
+        private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
+        private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
+        private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
+        private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
+        private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
+        private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
+        private byte byItem032; private byte byItem033; private byte byItem034; private byte byItem035;
+        private byte byItem036; private byte byItem037; private byte byItem038; private byte byItem039;
+        private byte byItem040; private byte byItem041; private byte byItem042; private byte byItem043;
+        private byte byItem044; private byte byItem045; private byte byItem046; private byte byItem047;
+        private byte byItem048; private byte byItem049; private byte byItem050; private byte byItem051;
+        private byte byItem052; private byte byItem053; private byte byItem054; private byte byItem055;
+        private byte byItem056; private byte byItem057; private byte byItem058; private byte byItem059;
+        private byte byItem060; private byte byItem061; private byte byItem062; private byte byItem063;
+        private byte byItem064; private byte byItem065;
 
-    /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void SetNoPrefix(string a_sz, Encoding? encoding = null)
-    {
-      SetValue(a_sz, false, encoding);
-    }
-
-    /// <summary>
-    /// Set our value...
-    /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
-    {
-      // If we're running on a Mac, tack on the prefix 'byte'...
-      if (a_sz == null)
-      {
-        a_sz = "";
-      }
-      else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        a_sz = (char)a_sz.Length + a_sz;
-      }
-
-      // Make sure that we're NUL padded...
-      string sz =
-          a_sz +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0";
-      if (sz.Length > 130)
-      {
-        sz = sz.Remove(130);
-      }
-
-      // convert string to byte array, then change the encoding of the byte array
-      byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
-
-      // concert byte array to bytes
-      byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
-      byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
-      byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
-      byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
-      byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
-      byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
-      byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
-      byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
-      byItem032 = abyItem[32]; byItem033 = abyItem[33]; byItem034 = abyItem[34]; byItem035 = abyItem[35];
-      byItem036 = abyItem[36]; byItem037 = abyItem[37]; byItem038 = abyItem[38]; byItem039 = abyItem[39];
-      byItem040 = abyItem[40]; byItem041 = abyItem[41]; byItem042 = abyItem[42]; byItem043 = abyItem[43];
-      byItem044 = abyItem[44]; byItem045 = abyItem[45]; byItem046 = abyItem[46]; byItem047 = abyItem[47];
-      byItem048 = abyItem[48]; byItem049 = abyItem[49]; byItem050 = abyItem[50]; byItem051 = abyItem[51];
-      byItem052 = abyItem[52]; byItem053 = abyItem[53]; byItem054 = abyItem[54]; byItem055 = abyItem[55];
-      byItem056 = abyItem[56]; byItem057 = abyItem[57]; byItem058 = abyItem[58]; byItem059 = abyItem[59];
-      byItem060 = abyItem[60]; byItem061 = abyItem[61]; byItem062 = abyItem[62]; byItem063 = abyItem[63];
-      byItem064 = abyItem[64]; byItem065 = abyItem[65]; byItem066 = abyItem[66]; byItem067 = abyItem[67];
-      byItem068 = abyItem[68]; byItem069 = abyItem[69]; byItem070 = abyItem[70]; byItem071 = abyItem[71];
-      byItem072 = abyItem[72]; byItem073 = abyItem[73]; byItem074 = abyItem[74]; byItem075 = abyItem[75];
-      byItem076 = abyItem[76]; byItem077 = abyItem[77]; byItem078 = abyItem[78]; byItem079 = abyItem[79];
-      byItem080 = abyItem[80]; byItem081 = abyItem[81]; byItem082 = abyItem[82]; byItem083 = abyItem[83];
-      byItem084 = abyItem[84]; byItem085 = abyItem[85]; byItem086 = abyItem[86]; byItem087 = abyItem[87];
-      byItem088 = abyItem[88]; byItem089 = abyItem[89]; byItem090 = abyItem[90]; byItem091 = abyItem[91];
-      byItem092 = abyItem[92]; byItem093 = abyItem[93]; byItem094 = abyItem[94]; byItem095 = abyItem[95];
-      byItem096 = abyItem[96]; byItem097 = abyItem[97]; byItem098 = abyItem[98]; byItem099 = abyItem[99];
-      byItem100 = abyItem[100]; byItem101 = abyItem[101]; byItem102 = abyItem[102]; byItem103 = abyItem[103];
-      byItem104 = abyItem[104]; byItem105 = abyItem[105]; byItem106 = abyItem[106]; byItem107 = abyItem[107];
-      byItem108 = abyItem[108]; byItem109 = abyItem[109]; byItem110 = abyItem[110]; byItem111 = abyItem[111];
-      byItem112 = abyItem[112]; byItem113 = abyItem[113]; byItem114 = abyItem[114]; byItem115 = abyItem[115];
-      byItem116 = abyItem[116]; byItem117 = abyItem[117]; byItem118 = abyItem[118]; byItem119 = abyItem[119];
-      byItem120 = abyItem[120]; byItem121 = abyItem[121]; byItem122 = abyItem[122]; byItem123 = abyItem[123];
-      byItem124 = abyItem[124]; byItem125 = abyItem[125]; byItem126 = abyItem[126]; byItem127 = abyItem[127];
-      byItem128 = abyItem[128]; byItem129 = abyItem[129];
-    }
-  }
-
-  /// <summary>
-  /// Used for strings that go up to 256-bytes...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
-  public partial struct TW_STR255
-  {
-    /// <summary>
-    /// We're stuck with this, because marshalling with packed alignment
-    /// can't handle arrays...
-    /// </summary>
-    private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
-    private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
-    private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
-    private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
-    private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
-    private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
-    private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
-    private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
-    private byte byItem032; private byte byItem033; private byte byItem034; private byte byItem035;
-    private byte byItem036; private byte byItem037; private byte byItem038; private byte byItem039;
-    private byte byItem040; private byte byItem041; private byte byItem042; private byte byItem043;
-    private byte byItem044; private byte byItem045; private byte byItem046; private byte byItem047;
-    private byte byItem048; private byte byItem049; private byte byItem050; private byte byItem051;
-    private byte byItem052; private byte byItem053; private byte byItem054; private byte byItem055;
-    private byte byItem056; private byte byItem057; private byte byItem058; private byte byItem059;
-    private byte byItem060; private byte byItem061; private byte byItem062; private byte byItem063;
-    private byte byItem064; private byte byItem065; private byte byItem066; private byte byItem067;
-    private byte byItem068; private byte byItem069; private byte byItem070; private byte byItem071;
-    private byte byItem072; private byte byItem073; private byte byItem074; private byte byItem075;
-    private byte byItem076; private byte byItem077; private byte byItem078; private byte byItem079;
-    private byte byItem080; private byte byItem081; private byte byItem082; private byte byItem083;
-    private byte byItem084; private byte byItem085; private byte byItem086; private byte byItem087;
-    private byte byItem088; private byte byItem089; private byte byItem090; private byte byItem091;
-    private byte byItem092; private byte byItem093; private byte byItem094; private byte byItem095;
-    private byte byItem096; private byte byItem097; private byte byItem098; private byte byItem099;
-    private byte byItem100; private byte byItem101; private byte byItem102; private byte byItem103;
-    private byte byItem104; private byte byItem105; private byte byItem106; private byte byItem107;
-    private byte byItem108; private byte byItem109; private byte byItem110; private byte byItem111;
-    private byte byItem112; private byte byItem113; private byte byItem114; private byte byItem115;
-    private byte byItem116; private byte byItem117; private byte byItem118; private byte byItem119;
-    private byte byItem120; private byte byItem121; private byte byItem122; private byte byItem123;
-    private byte byItem124; private byte byItem125; private byte byItem126; private byte byItem127;
-    private byte byItem128; private byte byItem129; private byte byItem130; private byte byItem131;
-    private byte byItem132; private byte byItem133; private byte byItem134; private byte byItem135;
-    private byte byItem136; private byte byItem137; private byte byItem138; private byte byItem139;
-    private byte byItem140; private byte byItem141; private byte byItem142; private byte byItem143;
-    private byte byItem144; private byte byItem145; private byte byItem146; private byte byItem147;
-    private byte byItem148; private byte byItem149; private byte byItem150; private byte byItem151;
-    private byte byItem152; private byte byItem153; private byte byItem154; private byte byItem155;
-    private byte byItem156; private byte byItem157; private byte byItem158; private byte byItem159;
-    private byte byItem160; private byte byItem161; private byte byItem162; private byte byItem163;
-    private byte byItem164; private byte byItem165; private byte byItem166; private byte byItem167;
-    private byte byItem168; private byte byItem169; private byte byItem170; private byte byItem171;
-    private byte byItem172; private byte byItem173; private byte byItem174; private byte byItem175;
-    private byte byItem176; private byte byItem177; private byte byItem178; private byte byItem179;
-    private byte byItem180; private byte byItem181; private byte byItem182; private byte byItem183;
-    private byte byItem184; private byte byItem185; private byte byItem186; private byte byItem187;
-    private byte byItem188; private byte byItem189; private byte byItem190; private byte byItem191;
-    private byte byItem192; private byte byItem193; private byte byItem194; private byte byItem195;
-    private byte byItem196; private byte byItem197; private byte byItem198; private byte byItem199;
-    private byte byItem200; private byte byItem201; private byte byItem202; private byte byItem203;
-    private byte byItem204; private byte byItem205; private byte byItem206; private byte byItem207;
-    private byte byItem208; private byte byItem209; private byte byItem210; private byte byItem211;
-    private byte byItem212; private byte byItem213; private byte byItem214; private byte byItem215;
-    private byte byItem216; private byte byItem217; private byte byItem218; private byte byItem219;
-    private byte byItem220; private byte byItem221; private byte byItem222; private byte byItem223;
-    private byte byItem224; private byte byItem225; private byte byItem226; private byte byItem227;
-    private byte byItem228; private byte byItem229; private byte byItem230; private byte byItem231;
-    private byte byItem232; private byte byItem233; private byte byItem234; private byte byItem235;
-    private byte byItem236; private byte byItem237; private byte byItem238; private byte byItem239;
-    private byte byItem240; private byte byItem241; private byte byItem242; private byte byItem243;
-    private byte byItem244; private byte byItem245; private byte byItem246; private byte byItem247;
-    private byte byItem248; private byte byItem249; private byte byItem250; private byte byItem251;
-    private byte byItem252; private byte byItem253; private byte byItem254; private byte byItem255;
-
-    /// <summary>
-    /// The normal get...
-    /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string Get(Encoding? encoding = null)
-    {
-      return (GetValue(true, encoding));
-    }
-
-    /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
-    /// </summary>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public string GetNoPrefix(Encoding? encoding = null)
-    {
-      return (GetValue(false, encoding));
-    }
-
-    /// <summary>
-    /// Get our value...
-    /// </summary>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
-    {
-      // convert what we have into a byte array
-      byte[] abyItem = new byte[256];
-      abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
-      abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
-      abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
-      abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
-      abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
-      abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
-      abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
-      abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
-      abyItem[32] = byItem032; abyItem[33] = byItem033; abyItem[34] = byItem034; abyItem[35] = byItem035;
-      abyItem[36] = byItem036; abyItem[37] = byItem037; abyItem[38] = byItem038; abyItem[39] = byItem039;
-      abyItem[40] = byItem040; abyItem[41] = byItem041; abyItem[42] = byItem042; abyItem[43] = byItem043;
-      abyItem[44] = byItem044; abyItem[45] = byItem045; abyItem[46] = byItem046; abyItem[47] = byItem047;
-      abyItem[48] = byItem048; abyItem[49] = byItem049; abyItem[50] = byItem050; abyItem[51] = byItem051;
-      abyItem[52] = byItem052; abyItem[53] = byItem053; abyItem[54] = byItem054; abyItem[55] = byItem055;
-      abyItem[56] = byItem056; abyItem[57] = byItem057; abyItem[58] = byItem058; abyItem[59] = byItem059;
-      abyItem[60] = byItem060; abyItem[61] = byItem061; abyItem[62] = byItem062; abyItem[63] = byItem063;
-      abyItem[64] = byItem064; abyItem[65] = byItem065; abyItem[66] = byItem066; abyItem[67] = byItem067;
-      abyItem[68] = byItem068; abyItem[69] = byItem069; abyItem[70] = byItem070; abyItem[71] = byItem071;
-      abyItem[72] = byItem072; abyItem[73] = byItem073; abyItem[74] = byItem074; abyItem[75] = byItem075;
-      abyItem[76] = byItem076; abyItem[77] = byItem077; abyItem[78] = byItem078; abyItem[79] = byItem079;
-      abyItem[80] = byItem080; abyItem[81] = byItem081; abyItem[82] = byItem082; abyItem[83] = byItem083;
-      abyItem[84] = byItem084; abyItem[85] = byItem085; abyItem[86] = byItem086; abyItem[87] = byItem087;
-      abyItem[88] = byItem088; abyItem[89] = byItem089; abyItem[90] = byItem090; abyItem[91] = byItem091;
-      abyItem[92] = byItem092; abyItem[93] = byItem093; abyItem[94] = byItem094; abyItem[95] = byItem095;
-      abyItem[96] = byItem096; abyItem[97] = byItem097; abyItem[98] = byItem098; abyItem[99] = byItem099;
-      abyItem[100] = byItem100; abyItem[101] = byItem101; abyItem[102] = byItem102; abyItem[103] = byItem103;
-      abyItem[104] = byItem104; abyItem[105] = byItem105; abyItem[106] = byItem106; abyItem[107] = byItem107;
-      abyItem[108] = byItem108; abyItem[109] = byItem109; abyItem[110] = byItem110; abyItem[111] = byItem111;
-      abyItem[112] = byItem112; abyItem[113] = byItem113; abyItem[114] = byItem114; abyItem[115] = byItem115;
-      abyItem[116] = byItem116; abyItem[117] = byItem117; abyItem[118] = byItem118; abyItem[119] = byItem119;
-      abyItem[120] = byItem120; abyItem[121] = byItem121; abyItem[122] = byItem122; abyItem[123] = byItem123;
-      abyItem[124] = byItem124; abyItem[125] = byItem125; abyItem[126] = byItem126; abyItem[127] = byItem127;
-      abyItem[128] = byItem128; abyItem[129] = byItem129; abyItem[130] = byItem130; abyItem[131] = byItem131;
-      abyItem[132] = byItem132; abyItem[133] = byItem133; abyItem[134] = byItem134; abyItem[135] = byItem135;
-      abyItem[136] = byItem136; abyItem[137] = byItem137; abyItem[138] = byItem138; abyItem[139] = byItem139;
-      abyItem[140] = byItem140; abyItem[141] = byItem141; abyItem[142] = byItem142; abyItem[143] = byItem143;
-      abyItem[144] = byItem144; abyItem[145] = byItem145; abyItem[146] = byItem146; abyItem[147] = byItem147;
-      abyItem[148] = byItem148; abyItem[149] = byItem149; abyItem[150] = byItem150; abyItem[151] = byItem151;
-      abyItem[152] = byItem152; abyItem[153] = byItem153; abyItem[154] = byItem154; abyItem[155] = byItem155;
-      abyItem[156] = byItem156; abyItem[157] = byItem157; abyItem[158] = byItem158; abyItem[159] = byItem159;
-      abyItem[160] = byItem160; abyItem[161] = byItem161; abyItem[162] = byItem162; abyItem[163] = byItem163;
-      abyItem[164] = byItem164; abyItem[165] = byItem165; abyItem[166] = byItem166; abyItem[167] = byItem167;
-      abyItem[168] = byItem168; abyItem[169] = byItem169; abyItem[170] = byItem170; abyItem[171] = byItem171;
-      abyItem[172] = byItem172; abyItem[173] = byItem173; abyItem[174] = byItem174; abyItem[175] = byItem175;
-      abyItem[176] = byItem176; abyItem[177] = byItem177; abyItem[178] = byItem178; abyItem[179] = byItem179;
-      abyItem[180] = byItem180; abyItem[181] = byItem181; abyItem[182] = byItem182; abyItem[183] = byItem183;
-      abyItem[184] = byItem184; abyItem[185] = byItem185; abyItem[186] = byItem186; abyItem[187] = byItem187;
-      abyItem[188] = byItem188; abyItem[189] = byItem189; abyItem[190] = byItem190; abyItem[191] = byItem191;
-      abyItem[192] = byItem192; abyItem[193] = byItem193; abyItem[194] = byItem194; abyItem[195] = byItem195;
-      abyItem[196] = byItem196; abyItem[197] = byItem197; abyItem[198] = byItem198; abyItem[199] = byItem199;
-      abyItem[200] = byItem200; abyItem[201] = byItem201; abyItem[202] = byItem202; abyItem[203] = byItem203;
-      abyItem[204] = byItem204; abyItem[205] = byItem205; abyItem[206] = byItem206; abyItem[207] = byItem207;
-      abyItem[208] = byItem208; abyItem[209] = byItem209; abyItem[210] = byItem210; abyItem[211] = byItem211;
-      abyItem[212] = byItem212; abyItem[213] = byItem213; abyItem[214] = byItem214; abyItem[215] = byItem215;
-      abyItem[216] = byItem216; abyItem[217] = byItem217; abyItem[218] = byItem218; abyItem[219] = byItem219;
-      abyItem[220] = byItem220; abyItem[221] = byItem221; abyItem[222] = byItem222; abyItem[223] = byItem223;
-      abyItem[224] = byItem224; abyItem[225] = byItem225; abyItem[226] = byItem226; abyItem[227] = byItem227;
-      abyItem[228] = byItem228; abyItem[229] = byItem229; abyItem[230] = byItem230; abyItem[231] = byItem231;
-      abyItem[232] = byItem232; abyItem[233] = byItem233; abyItem[234] = byItem234; abyItem[235] = byItem235;
-      abyItem[236] = byItem236; abyItem[237] = byItem237; abyItem[238] = byItem238; abyItem[239] = byItem239;
-      abyItem[240] = byItem240; abyItem[241] = byItem241; abyItem[242] = byItem242; abyItem[243] = byItem243;
-      abyItem[244] = byItem244; abyItem[245] = byItem245; abyItem[246] = byItem246; abyItem[247] = byItem247;
-      abyItem[248] = byItem248; abyItem[249] = byItem249; abyItem[250] = byItem250; abyItem[251] = byItem251;
-      abyItem[252] = byItem252; abyItem[253] = byItem253; abyItem[254] = byItem254; abyItem[255] = byItem255;
-
-      // Zero anything after the NUL...
-      bool blNul = false;
-      for (int ii = 0; ii < abyItem.Length; ii++)
-      {
-        if (!blNul && (abyItem[ii] == 0))
+        /// <summary>
+        /// The normal get...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string Get(Encoding? encoding = null)
         {
-          blNul = true;
+            return (GetValue(true, encoding));
         }
-        else if (blNul)
+
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string GetNoPrefix(Encoding? encoding = null)
         {
-          abyItem[ii] = 0;
+            return (GetValue(false, encoding));
         }
-      }
 
-      // change encoding of byte array, then convert the bytes array to a string
-      string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
+        /// <summary>
+        /// Get our value...
+        /// </summary>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
+        {
+            // convert what we have into a byte array
+            byte[] abyItem = new byte[66];
+            abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
+            abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
+            abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
+            abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
+            abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
+            abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
+            abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
+            abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
+            abyItem[32] = byItem032; abyItem[33] = byItem033; abyItem[34] = byItem034; abyItem[35] = byItem035;
+            abyItem[36] = byItem036; abyItem[37] = byItem037; abyItem[38] = byItem038; abyItem[39] = byItem039;
+            abyItem[40] = byItem040; abyItem[41] = byItem041; abyItem[42] = byItem042; abyItem[43] = byItem043;
+            abyItem[44] = byItem044; abyItem[45] = byItem045; abyItem[46] = byItem046; abyItem[47] = byItem047;
+            abyItem[48] = byItem048; abyItem[49] = byItem049; abyItem[50] = byItem050; abyItem[51] = byItem051;
+            abyItem[52] = byItem052; abyItem[53] = byItem053; abyItem[54] = byItem054; abyItem[55] = byItem055;
+            abyItem[56] = byItem056; abyItem[57] = byItem057; abyItem[58] = byItem058; abyItem[59] = byItem059;
+            abyItem[60] = byItem060; abyItem[61] = byItem061; abyItem[62] = byItem062; abyItem[63] = byItem063;
+            abyItem[64] = byItem064; abyItem[65] = byItem065;
 
-      // If the first character is a NUL, then return the empty string...
-      if (sz[0] == '\0')
-      {
-        return ("");
-      }
+            // Zero anything after the NUL...
+            bool blNul = false;
+            for (int ii = 0; ii < abyItem.Length; ii++)
+            {
+                if (!blNul && (abyItem[ii] == 0))
+                {
+                    blNul = true;
+                }
+                else if (blNul)
+                {
+                    abyItem[ii] = 0;
+                }
+            }
 
-      // If we're running on a Mac, take off the prefix 'byte'...
-      if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        sz = sz.Remove(0, 1);
-      }
+            // change encoding of byte array, then convert the bytes array to a string
+            string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
 
-      // If we detect a NUL, then split around it...
-      if (sz.IndexOf('\0') >= 0)
-      {
-        sz = sz.Split(new char[] { '\0' })[0];
-      }
+            // If the first character is a NUL, then return the empty string...
+            if (sz[0] == '\0')
+            {
+                return ("");
+            }
 
-      // All done...
-      return (sz);
+            // If we're running on a Mac, take off the prefix 'byte'...
+            if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                sz = sz.Remove(0, 1);
+            }
+
+            // If we detect a NUL, then split around it...
+            if (sz.IndexOf('\0') >= 0)
+            {
+                sz = sz.Split(new char[] { '\0' })[0];
+            }
+
+            // All done...
+            return (sz);
+        }
+
+        /// <summary>
+        /// The normal set...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void Set(string a_sz, Encoding? encoding = null)
+        {
+            SetValue(a_sz, true, encoding);
+        }
+
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void SetNoPrefix(string a_sz, Encoding? encoding = null)
+        {
+            SetValue(a_sz, false, encoding);
+        }
+
+        /// <summary>
+        /// Set our value...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
+        {
+            // If we're running on a Mac, tack on the prefix 'byte'...
+            if (a_sz == null)
+            {
+                a_sz = "";
+            }
+            else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                a_sz = (char)a_sz.Length + a_sz;
+            }
+
+            // Make sure that we're NUL padded...
+            string sz =
+                a_sz +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0";
+            if (sz.Length > 66)
+            {
+                sz = sz.Remove(66);
+            }
+
+            // convert string to byte array, then change the encoding of the byte array
+            byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
+
+            // concert byte array to bytes
+            byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
+            byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
+            byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
+            byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
+            byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
+            byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
+            byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
+            byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
+            byItem032 = abyItem[32]; byItem033 = abyItem[33]; byItem034 = abyItem[34]; byItem035 = abyItem[35];
+            byItem036 = abyItem[36]; byItem037 = abyItem[37]; byItem038 = abyItem[38]; byItem039 = abyItem[39];
+            byItem040 = abyItem[40]; byItem041 = abyItem[41]; byItem042 = abyItem[42]; byItem043 = abyItem[43];
+            byItem044 = abyItem[44]; byItem045 = abyItem[45]; byItem046 = abyItem[46]; byItem047 = abyItem[47];
+            byItem048 = abyItem[48]; byItem049 = abyItem[49]; byItem050 = abyItem[50]; byItem051 = abyItem[51];
+            byItem052 = abyItem[52]; byItem053 = abyItem[53]; byItem054 = abyItem[54]; byItem055 = abyItem[55];
+            byItem056 = abyItem[56]; byItem057 = abyItem[57]; byItem058 = abyItem[58]; byItem059 = abyItem[59];
+            byItem060 = abyItem[60]; byItem061 = abyItem[61]; byItem062 = abyItem[62]; byItem063 = abyItem[63];
+            byItem064 = abyItem[64]; byItem065 = abyItem[65];
+        }
     }
 
     /// <summary>
-    /// The normal set...
+    /// Used for strings that go up to 128-bytes...
     /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void Set(string a_sz, Encoding? encoding = null)
+    [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
+    public partial struct TW_STR128
     {
-      SetValue(a_sz, true, encoding);
+        /// <summary>
+        /// We're stuck with this, because marshalling with packed alignment
+        /// can't handle arrays...
+        /// </summary>
+        private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
+        private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
+        private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
+        private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
+        private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
+        private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
+        private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
+        private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
+        private byte byItem032; private byte byItem033; private byte byItem034; private byte byItem035;
+        private byte byItem036; private byte byItem037; private byte byItem038; private byte byItem039;
+        private byte byItem040; private byte byItem041; private byte byItem042; private byte byItem043;
+        private byte byItem044; private byte byItem045; private byte byItem046; private byte byItem047;
+        private byte byItem048; private byte byItem049; private byte byItem050; private byte byItem051;
+        private byte byItem052; private byte byItem053; private byte byItem054; private byte byItem055;
+        private byte byItem056; private byte byItem057; private byte byItem058; private byte byItem059;
+        private byte byItem060; private byte byItem061; private byte byItem062; private byte byItem063;
+        private byte byItem064; private byte byItem065; private byte byItem066; private byte byItem067;
+        private byte byItem068; private byte byItem069; private byte byItem070; private byte byItem071;
+        private byte byItem072; private byte byItem073; private byte byItem074; private byte byItem075;
+        private byte byItem076; private byte byItem077; private byte byItem078; private byte byItem079;
+        private byte byItem080; private byte byItem081; private byte byItem082; private byte byItem083;
+        private byte byItem084; private byte byItem085; private byte byItem086; private byte byItem087;
+        private byte byItem088; private byte byItem089; private byte byItem090; private byte byItem091;
+        private byte byItem092; private byte byItem093; private byte byItem094; private byte byItem095;
+        private byte byItem096; private byte byItem097; private byte byItem098; private byte byItem099;
+        private byte byItem100; private byte byItem101; private byte byItem102; private byte byItem103;
+        private byte byItem104; private byte byItem105; private byte byItem106; private byte byItem107;
+        private byte byItem108; private byte byItem109; private byte byItem110; private byte byItem111;
+        private byte byItem112; private byte byItem113; private byte byItem114; private byte byItem115;
+        private byte byItem116; private byte byItem117; private byte byItem118; private byte byItem119;
+        private byte byItem120; private byte byItem121; private byte byItem122; private byte byItem123;
+        private byte byItem124; private byte byItem125; private byte byItem126; private byte byItem127;
+        private byte byItem128; private byte byItem129;
+
+        /// <summary>
+        /// The normal get...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string Get(Encoding? encoding = null)
+        {
+            return (GetValue(true, encoding));
+        }
+
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string GetNoPrefix(Encoding? encoding = null)
+        {
+            return (GetValue(false, encoding));
+        }
+
+        /// <summary>
+        /// Get our value...
+        /// </summary>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
+        {
+            // convert what we have into a byte array
+            byte[] abyItem = new byte[130];
+            abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
+            abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
+            abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
+            abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
+            abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
+            abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
+            abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
+            abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
+            abyItem[32] = byItem032; abyItem[33] = byItem033; abyItem[34] = byItem034; abyItem[35] = byItem035;
+            abyItem[36] = byItem036; abyItem[37] = byItem037; abyItem[38] = byItem038; abyItem[39] = byItem039;
+            abyItem[40] = byItem040; abyItem[41] = byItem041; abyItem[42] = byItem042; abyItem[43] = byItem043;
+            abyItem[44] = byItem044; abyItem[45] = byItem045; abyItem[46] = byItem046; abyItem[47] = byItem047;
+            abyItem[48] = byItem048; abyItem[49] = byItem049; abyItem[50] = byItem050; abyItem[51] = byItem051;
+            abyItem[52] = byItem052; abyItem[53] = byItem053; abyItem[54] = byItem054; abyItem[55] = byItem055;
+            abyItem[56] = byItem056; abyItem[57] = byItem057; abyItem[58] = byItem058; abyItem[59] = byItem059;
+            abyItem[60] = byItem060; abyItem[61] = byItem061; abyItem[62] = byItem062; abyItem[63] = byItem063;
+            abyItem[64] = byItem064; abyItem[65] = byItem065; abyItem[66] = byItem066; abyItem[67] = byItem067;
+            abyItem[68] = byItem068; abyItem[69] = byItem069; abyItem[70] = byItem070; abyItem[71] = byItem071;
+            abyItem[72] = byItem072; abyItem[73] = byItem073; abyItem[74] = byItem074; abyItem[75] = byItem075;
+            abyItem[76] = byItem076; abyItem[77] = byItem077; abyItem[78] = byItem078; abyItem[79] = byItem079;
+            abyItem[80] = byItem080; abyItem[81] = byItem081; abyItem[82] = byItem082; abyItem[83] = byItem083;
+            abyItem[84] = byItem084; abyItem[85] = byItem085; abyItem[86] = byItem086; abyItem[87] = byItem087;
+            abyItem[88] = byItem088; abyItem[89] = byItem089; abyItem[90] = byItem090; abyItem[91] = byItem091;
+            abyItem[92] = byItem092; abyItem[93] = byItem093; abyItem[94] = byItem094; abyItem[95] = byItem095;
+            abyItem[96] = byItem096; abyItem[97] = byItem097; abyItem[98] = byItem098; abyItem[99] = byItem099;
+            abyItem[100] = byItem100; abyItem[101] = byItem101; abyItem[102] = byItem102; abyItem[103] = byItem103;
+            abyItem[104] = byItem104; abyItem[105] = byItem105; abyItem[106] = byItem106; abyItem[107] = byItem107;
+            abyItem[108] = byItem108; abyItem[109] = byItem109; abyItem[110] = byItem110; abyItem[111] = byItem111;
+            abyItem[112] = byItem112; abyItem[113] = byItem113; abyItem[114] = byItem114; abyItem[115] = byItem115;
+            abyItem[116] = byItem116; abyItem[117] = byItem117; abyItem[118] = byItem118; abyItem[119] = byItem119;
+            abyItem[120] = byItem120; abyItem[121] = byItem121; abyItem[122] = byItem122; abyItem[123] = byItem123;
+            abyItem[124] = byItem124; abyItem[125] = byItem125; abyItem[126] = byItem126; abyItem[127] = byItem127;
+            abyItem[128] = byItem128; abyItem[129] = byItem129;
+
+            // Zero anything after the NUL...
+            bool blNul = false;
+            for (int ii = 0; ii < abyItem.Length; ii++)
+            {
+                if (!blNul && (abyItem[ii] == 0))
+                {
+                    blNul = true;
+                }
+                else if (blNul)
+                {
+                    abyItem[ii] = 0;
+                }
+            }
+
+            // change encoding of byte array, then convert the bytes array to a string
+            string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
+
+            // If the first character is a NUL, then return the empty string...
+            if (sz[0] == '\0')
+            {
+                return ("");
+            }
+
+            // If we're running on a Mac, take off the prefix 'byte'...
+            if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                sz = sz.Remove(0, 1);
+            }
+
+            // If we detect a NUL, then split around it...
+            if (sz.IndexOf('\0') >= 0)
+            {
+                sz = sz.Split(new char[] { '\0' })[0];
+            }
+
+            // All done...
+            return (sz);
+        }
+
+        /// <summary>
+        /// The normal set...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void Set(string a_sz, Encoding? encoding = null)
+        {
+            SetValue(a_sz, true, encoding);
+        }
+
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void SetNoPrefix(string a_sz, Encoding? encoding = null)
+        {
+            SetValue(a_sz, false, encoding);
+        }
+
+        /// <summary>
+        /// Set our value...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
+        {
+            // If we're running on a Mac, tack on the prefix 'byte'...
+            if (a_sz == null)
+            {
+                a_sz = "";
+            }
+            else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                a_sz = (char)a_sz.Length + a_sz;
+            }
+
+            // Make sure that we're NUL padded...
+            string sz =
+                a_sz +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0";
+            if (sz.Length > 130)
+            {
+                sz = sz.Remove(130);
+            }
+
+            // convert string to byte array, then change the encoding of the byte array
+            byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
+
+            // concert byte array to bytes
+            byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
+            byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
+            byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
+            byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
+            byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
+            byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
+            byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
+            byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
+            byItem032 = abyItem[32]; byItem033 = abyItem[33]; byItem034 = abyItem[34]; byItem035 = abyItem[35];
+            byItem036 = abyItem[36]; byItem037 = abyItem[37]; byItem038 = abyItem[38]; byItem039 = abyItem[39];
+            byItem040 = abyItem[40]; byItem041 = abyItem[41]; byItem042 = abyItem[42]; byItem043 = abyItem[43];
+            byItem044 = abyItem[44]; byItem045 = abyItem[45]; byItem046 = abyItem[46]; byItem047 = abyItem[47];
+            byItem048 = abyItem[48]; byItem049 = abyItem[49]; byItem050 = abyItem[50]; byItem051 = abyItem[51];
+            byItem052 = abyItem[52]; byItem053 = abyItem[53]; byItem054 = abyItem[54]; byItem055 = abyItem[55];
+            byItem056 = abyItem[56]; byItem057 = abyItem[57]; byItem058 = abyItem[58]; byItem059 = abyItem[59];
+            byItem060 = abyItem[60]; byItem061 = abyItem[61]; byItem062 = abyItem[62]; byItem063 = abyItem[63];
+            byItem064 = abyItem[64]; byItem065 = abyItem[65]; byItem066 = abyItem[66]; byItem067 = abyItem[67];
+            byItem068 = abyItem[68]; byItem069 = abyItem[69]; byItem070 = abyItem[70]; byItem071 = abyItem[71];
+            byItem072 = abyItem[72]; byItem073 = abyItem[73]; byItem074 = abyItem[74]; byItem075 = abyItem[75];
+            byItem076 = abyItem[76]; byItem077 = abyItem[77]; byItem078 = abyItem[78]; byItem079 = abyItem[79];
+            byItem080 = abyItem[80]; byItem081 = abyItem[81]; byItem082 = abyItem[82]; byItem083 = abyItem[83];
+            byItem084 = abyItem[84]; byItem085 = abyItem[85]; byItem086 = abyItem[86]; byItem087 = abyItem[87];
+            byItem088 = abyItem[88]; byItem089 = abyItem[89]; byItem090 = abyItem[90]; byItem091 = abyItem[91];
+            byItem092 = abyItem[92]; byItem093 = abyItem[93]; byItem094 = abyItem[94]; byItem095 = abyItem[95];
+            byItem096 = abyItem[96]; byItem097 = abyItem[97]; byItem098 = abyItem[98]; byItem099 = abyItem[99];
+            byItem100 = abyItem[100]; byItem101 = abyItem[101]; byItem102 = abyItem[102]; byItem103 = abyItem[103];
+            byItem104 = abyItem[104]; byItem105 = abyItem[105]; byItem106 = abyItem[106]; byItem107 = abyItem[107];
+            byItem108 = abyItem[108]; byItem109 = abyItem[109]; byItem110 = abyItem[110]; byItem111 = abyItem[111];
+            byItem112 = abyItem[112]; byItem113 = abyItem[113]; byItem114 = abyItem[114]; byItem115 = abyItem[115];
+            byItem116 = abyItem[116]; byItem117 = abyItem[117]; byItem118 = abyItem[118]; byItem119 = abyItem[119];
+            byItem120 = abyItem[120]; byItem121 = abyItem[121]; byItem122 = abyItem[122]; byItem123 = abyItem[123];
+            byItem124 = abyItem[124]; byItem125 = abyItem[125]; byItem126 = abyItem[126]; byItem127 = abyItem[127];
+            byItem128 = abyItem[128]; byItem129 = abyItem[129];
+        }
     }
 
     /// <summary>
-    /// Use this on Mac OS X if you have a call that uses a string
-    /// that doesn't include the prefix byte...
+    /// Used for strings that go up to 256-bytes...
     /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="encoding"></param>
-    /// <returns></returns>
-    public void SetNoPrefix(string a_sz, Encoding? encoding = null)
+    [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
+    public partial struct TW_STR255
     {
-      SetValue(a_sz, false, encoding);
+        /// <summary>
+        /// We're stuck with this, because marshalling with packed alignment
+        /// can't handle arrays...
+        /// </summary>
+        private byte byItem000; private byte byItem001; private byte byItem002; private byte byItem003;
+        private byte byItem004; private byte byItem005; private byte byItem006; private byte byItem007;
+        private byte byItem008; private byte byItem009; private byte byItem010; private byte byItem011;
+        private byte byItem012; private byte byItem013; private byte byItem014; private byte byItem015;
+        private byte byItem016; private byte byItem017; private byte byItem018; private byte byItem019;
+        private byte byItem020; private byte byItem021; private byte byItem022; private byte byItem023;
+        private byte byItem024; private byte byItem025; private byte byItem026; private byte byItem027;
+        private byte byItem028; private byte byItem029; private byte byItem030; private byte byItem031;
+        private byte byItem032; private byte byItem033; private byte byItem034; private byte byItem035;
+        private byte byItem036; private byte byItem037; private byte byItem038; private byte byItem039;
+        private byte byItem040; private byte byItem041; private byte byItem042; private byte byItem043;
+        private byte byItem044; private byte byItem045; private byte byItem046; private byte byItem047;
+        private byte byItem048; private byte byItem049; private byte byItem050; private byte byItem051;
+        private byte byItem052; private byte byItem053; private byte byItem054; private byte byItem055;
+        private byte byItem056; private byte byItem057; private byte byItem058; private byte byItem059;
+        private byte byItem060; private byte byItem061; private byte byItem062; private byte byItem063;
+        private byte byItem064; private byte byItem065; private byte byItem066; private byte byItem067;
+        private byte byItem068; private byte byItem069; private byte byItem070; private byte byItem071;
+        private byte byItem072; private byte byItem073; private byte byItem074; private byte byItem075;
+        private byte byItem076; private byte byItem077; private byte byItem078; private byte byItem079;
+        private byte byItem080; private byte byItem081; private byte byItem082; private byte byItem083;
+        private byte byItem084; private byte byItem085; private byte byItem086; private byte byItem087;
+        private byte byItem088; private byte byItem089; private byte byItem090; private byte byItem091;
+        private byte byItem092; private byte byItem093; private byte byItem094; private byte byItem095;
+        private byte byItem096; private byte byItem097; private byte byItem098; private byte byItem099;
+        private byte byItem100; private byte byItem101; private byte byItem102; private byte byItem103;
+        private byte byItem104; private byte byItem105; private byte byItem106; private byte byItem107;
+        private byte byItem108; private byte byItem109; private byte byItem110; private byte byItem111;
+        private byte byItem112; private byte byItem113; private byte byItem114; private byte byItem115;
+        private byte byItem116; private byte byItem117; private byte byItem118; private byte byItem119;
+        private byte byItem120; private byte byItem121; private byte byItem122; private byte byItem123;
+        private byte byItem124; private byte byItem125; private byte byItem126; private byte byItem127;
+        private byte byItem128; private byte byItem129; private byte byItem130; private byte byItem131;
+        private byte byItem132; private byte byItem133; private byte byItem134; private byte byItem135;
+        private byte byItem136; private byte byItem137; private byte byItem138; private byte byItem139;
+        private byte byItem140; private byte byItem141; private byte byItem142; private byte byItem143;
+        private byte byItem144; private byte byItem145; private byte byItem146; private byte byItem147;
+        private byte byItem148; private byte byItem149; private byte byItem150; private byte byItem151;
+        private byte byItem152; private byte byItem153; private byte byItem154; private byte byItem155;
+        private byte byItem156; private byte byItem157; private byte byItem158; private byte byItem159;
+        private byte byItem160; private byte byItem161; private byte byItem162; private byte byItem163;
+        private byte byItem164; private byte byItem165; private byte byItem166; private byte byItem167;
+        private byte byItem168; private byte byItem169; private byte byItem170; private byte byItem171;
+        private byte byItem172; private byte byItem173; private byte byItem174; private byte byItem175;
+        private byte byItem176; private byte byItem177; private byte byItem178; private byte byItem179;
+        private byte byItem180; private byte byItem181; private byte byItem182; private byte byItem183;
+        private byte byItem184; private byte byItem185; private byte byItem186; private byte byItem187;
+        private byte byItem188; private byte byItem189; private byte byItem190; private byte byItem191;
+        private byte byItem192; private byte byItem193; private byte byItem194; private byte byItem195;
+        private byte byItem196; private byte byItem197; private byte byItem198; private byte byItem199;
+        private byte byItem200; private byte byItem201; private byte byItem202; private byte byItem203;
+        private byte byItem204; private byte byItem205; private byte byItem206; private byte byItem207;
+        private byte byItem208; private byte byItem209; private byte byItem210; private byte byItem211;
+        private byte byItem212; private byte byItem213; private byte byItem214; private byte byItem215;
+        private byte byItem216; private byte byItem217; private byte byItem218; private byte byItem219;
+        private byte byItem220; private byte byItem221; private byte byItem222; private byte byItem223;
+        private byte byItem224; private byte byItem225; private byte byItem226; private byte byItem227;
+        private byte byItem228; private byte byItem229; private byte byItem230; private byte byItem231;
+        private byte byItem232; private byte byItem233; private byte byItem234; private byte byItem235;
+        private byte byItem236; private byte byItem237; private byte byItem238; private byte byItem239;
+        private byte byItem240; private byte byItem241; private byte byItem242; private byte byItem243;
+        private byte byItem244; private byte byItem245; private byte byItem246; private byte byItem247;
+        private byte byItem248; private byte byItem249; private byte byItem250; private byte byItem251;
+        private byte byItem252; private byte byItem253; private byte byItem254; private byte byItem255;
+
+        /// <summary>
+        /// The normal get...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string Get(Encoding? encoding = null)
+        {
+            return (GetValue(true, encoding));
+        }
+
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public string GetNoPrefix(Encoding? encoding = null)
+        {
+            return (GetValue(false, encoding));
+        }
+
+        /// <summary>
+        /// Get our value...
+        /// </summary>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        private string GetValue(bool a_blMayHavePrefix, Encoding? encoding = null)
+        {
+            // convert what we have into a byte array
+            byte[] abyItem = new byte[256];
+            abyItem[0] = byItem000; abyItem[1] = byItem001; abyItem[2] = byItem002; abyItem[3] = byItem003;
+            abyItem[4] = byItem004; abyItem[5] = byItem005; abyItem[6] = byItem006; abyItem[7] = byItem007;
+            abyItem[8] = byItem008; abyItem[9] = byItem009; abyItem[10] = byItem010; abyItem[11] = byItem011;
+            abyItem[12] = byItem012; abyItem[13] = byItem013; abyItem[14] = byItem014; abyItem[15] = byItem015;
+            abyItem[16] = byItem016; abyItem[17] = byItem017; abyItem[18] = byItem018; abyItem[19] = byItem019;
+            abyItem[20] = byItem020; abyItem[21] = byItem021; abyItem[22] = byItem022; abyItem[23] = byItem023;
+            abyItem[24] = byItem024; abyItem[25] = byItem025; abyItem[26] = byItem026; abyItem[27] = byItem027;
+            abyItem[28] = byItem028; abyItem[29] = byItem029; abyItem[30] = byItem030; abyItem[31] = byItem031;
+            abyItem[32] = byItem032; abyItem[33] = byItem033; abyItem[34] = byItem034; abyItem[35] = byItem035;
+            abyItem[36] = byItem036; abyItem[37] = byItem037; abyItem[38] = byItem038; abyItem[39] = byItem039;
+            abyItem[40] = byItem040; abyItem[41] = byItem041; abyItem[42] = byItem042; abyItem[43] = byItem043;
+            abyItem[44] = byItem044; abyItem[45] = byItem045; abyItem[46] = byItem046; abyItem[47] = byItem047;
+            abyItem[48] = byItem048; abyItem[49] = byItem049; abyItem[50] = byItem050; abyItem[51] = byItem051;
+            abyItem[52] = byItem052; abyItem[53] = byItem053; abyItem[54] = byItem054; abyItem[55] = byItem055;
+            abyItem[56] = byItem056; abyItem[57] = byItem057; abyItem[58] = byItem058; abyItem[59] = byItem059;
+            abyItem[60] = byItem060; abyItem[61] = byItem061; abyItem[62] = byItem062; abyItem[63] = byItem063;
+            abyItem[64] = byItem064; abyItem[65] = byItem065; abyItem[66] = byItem066; abyItem[67] = byItem067;
+            abyItem[68] = byItem068; abyItem[69] = byItem069; abyItem[70] = byItem070; abyItem[71] = byItem071;
+            abyItem[72] = byItem072; abyItem[73] = byItem073; abyItem[74] = byItem074; abyItem[75] = byItem075;
+            abyItem[76] = byItem076; abyItem[77] = byItem077; abyItem[78] = byItem078; abyItem[79] = byItem079;
+            abyItem[80] = byItem080; abyItem[81] = byItem081; abyItem[82] = byItem082; abyItem[83] = byItem083;
+            abyItem[84] = byItem084; abyItem[85] = byItem085; abyItem[86] = byItem086; abyItem[87] = byItem087;
+            abyItem[88] = byItem088; abyItem[89] = byItem089; abyItem[90] = byItem090; abyItem[91] = byItem091;
+            abyItem[92] = byItem092; abyItem[93] = byItem093; abyItem[94] = byItem094; abyItem[95] = byItem095;
+            abyItem[96] = byItem096; abyItem[97] = byItem097; abyItem[98] = byItem098; abyItem[99] = byItem099;
+            abyItem[100] = byItem100; abyItem[101] = byItem101; abyItem[102] = byItem102; abyItem[103] = byItem103;
+            abyItem[104] = byItem104; abyItem[105] = byItem105; abyItem[106] = byItem106; abyItem[107] = byItem107;
+            abyItem[108] = byItem108; abyItem[109] = byItem109; abyItem[110] = byItem110; abyItem[111] = byItem111;
+            abyItem[112] = byItem112; abyItem[113] = byItem113; abyItem[114] = byItem114; abyItem[115] = byItem115;
+            abyItem[116] = byItem116; abyItem[117] = byItem117; abyItem[118] = byItem118; abyItem[119] = byItem119;
+            abyItem[120] = byItem120; abyItem[121] = byItem121; abyItem[122] = byItem122; abyItem[123] = byItem123;
+            abyItem[124] = byItem124; abyItem[125] = byItem125; abyItem[126] = byItem126; abyItem[127] = byItem127;
+            abyItem[128] = byItem128; abyItem[129] = byItem129; abyItem[130] = byItem130; abyItem[131] = byItem131;
+            abyItem[132] = byItem132; abyItem[133] = byItem133; abyItem[134] = byItem134; abyItem[135] = byItem135;
+            abyItem[136] = byItem136; abyItem[137] = byItem137; abyItem[138] = byItem138; abyItem[139] = byItem139;
+            abyItem[140] = byItem140; abyItem[141] = byItem141; abyItem[142] = byItem142; abyItem[143] = byItem143;
+            abyItem[144] = byItem144; abyItem[145] = byItem145; abyItem[146] = byItem146; abyItem[147] = byItem147;
+            abyItem[148] = byItem148; abyItem[149] = byItem149; abyItem[150] = byItem150; abyItem[151] = byItem151;
+            abyItem[152] = byItem152; abyItem[153] = byItem153; abyItem[154] = byItem154; abyItem[155] = byItem155;
+            abyItem[156] = byItem156; abyItem[157] = byItem157; abyItem[158] = byItem158; abyItem[159] = byItem159;
+            abyItem[160] = byItem160; abyItem[161] = byItem161; abyItem[162] = byItem162; abyItem[163] = byItem163;
+            abyItem[164] = byItem164; abyItem[165] = byItem165; abyItem[166] = byItem166; abyItem[167] = byItem167;
+            abyItem[168] = byItem168; abyItem[169] = byItem169; abyItem[170] = byItem170; abyItem[171] = byItem171;
+            abyItem[172] = byItem172; abyItem[173] = byItem173; abyItem[174] = byItem174; abyItem[175] = byItem175;
+            abyItem[176] = byItem176; abyItem[177] = byItem177; abyItem[178] = byItem178; abyItem[179] = byItem179;
+            abyItem[180] = byItem180; abyItem[181] = byItem181; abyItem[182] = byItem182; abyItem[183] = byItem183;
+            abyItem[184] = byItem184; abyItem[185] = byItem185; abyItem[186] = byItem186; abyItem[187] = byItem187;
+            abyItem[188] = byItem188; abyItem[189] = byItem189; abyItem[190] = byItem190; abyItem[191] = byItem191;
+            abyItem[192] = byItem192; abyItem[193] = byItem193; abyItem[194] = byItem194; abyItem[195] = byItem195;
+            abyItem[196] = byItem196; abyItem[197] = byItem197; abyItem[198] = byItem198; abyItem[199] = byItem199;
+            abyItem[200] = byItem200; abyItem[201] = byItem201; abyItem[202] = byItem202; abyItem[203] = byItem203;
+            abyItem[204] = byItem204; abyItem[205] = byItem205; abyItem[206] = byItem206; abyItem[207] = byItem207;
+            abyItem[208] = byItem208; abyItem[209] = byItem209; abyItem[210] = byItem210; abyItem[211] = byItem211;
+            abyItem[212] = byItem212; abyItem[213] = byItem213; abyItem[214] = byItem214; abyItem[215] = byItem215;
+            abyItem[216] = byItem216; abyItem[217] = byItem217; abyItem[218] = byItem218; abyItem[219] = byItem219;
+            abyItem[220] = byItem220; abyItem[221] = byItem221; abyItem[222] = byItem222; abyItem[223] = byItem223;
+            abyItem[224] = byItem224; abyItem[225] = byItem225; abyItem[226] = byItem226; abyItem[227] = byItem227;
+            abyItem[228] = byItem228; abyItem[229] = byItem229; abyItem[230] = byItem230; abyItem[231] = byItem231;
+            abyItem[232] = byItem232; abyItem[233] = byItem233; abyItem[234] = byItem234; abyItem[235] = byItem235;
+            abyItem[236] = byItem236; abyItem[237] = byItem237; abyItem[238] = byItem238; abyItem[239] = byItem239;
+            abyItem[240] = byItem240; abyItem[241] = byItem241; abyItem[242] = byItem242; abyItem[243] = byItem243;
+            abyItem[244] = byItem244; abyItem[245] = byItem245; abyItem[246] = byItem246; abyItem[247] = byItem247;
+            abyItem[248] = byItem248; abyItem[249] = byItem249; abyItem[250] = byItem250; abyItem[251] = byItem251;
+            abyItem[252] = byItem252; abyItem[253] = byItem253; abyItem[254] = byItem254; abyItem[255] = byItem255;
+
+            // Zero anything after the NUL...
+            bool blNul = false;
+            for (int ii = 0; ii < abyItem.Length; ii++)
+            {
+                if (!blNul && (abyItem[ii] == 0))
+                {
+                    blNul = true;
+                }
+                else if (blNul)
+                {
+                    abyItem[ii] = 0;
+                }
+            }
+
+            // change encoding of byte array, then convert the bytes array to a string
+            string sz = Encoding.Unicode.GetString(Encoding.Convert(encoding ?? Language.GetEncoding(), Encoding.Unicode, abyItem));
+
+            // If the first character is a NUL, then return the empty string...
+            if (sz[0] == '\0')
+            {
+                return ("");
+            }
+
+            // If we're running on a Mac, take off the prefix 'byte'...
+            if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                sz = sz.Remove(0, 1);
+            }
+
+            // If we detect a NUL, then split around it...
+            if (sz.IndexOf('\0') >= 0)
+            {
+                sz = sz.Split(new char[] { '\0' })[0];
+            }
+
+            // All done...
+            return (sz);
+        }
+
+        /// <summary>
+        /// The normal set...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void Set(string a_sz, Encoding? encoding = null)
+        {
+            SetValue(a_sz, true, encoding);
+        }
+
+        /// <summary>
+        /// Use this on Mac OS X if you have a call that uses a string
+        /// that doesn't include the prefix byte...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public void SetNoPrefix(string a_sz, Encoding? encoding = null)
+        {
+            SetValue(a_sz, false, encoding);
+        }
+
+        /// <summary>
+        /// Set our value...
+        /// </summary>
+        /// <param name="a_sz"></param>
+        /// <param name="a_blMayHavePrefix"></param>
+        /// <param name="encoding"></param>
+        private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
+        {
+            // If we're running on a Mac, tack on the prefix 'byte'...
+            if (a_sz == null)
+            {
+                a_sz = "";
+            }
+            else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
+            {
+                a_sz = (char)a_sz.Length + a_sz;
+            }
+
+            // Make sure that we're NUL padded...
+            string sz =
+                a_sz +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
+                "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+            if (sz.Length > 256)
+            {
+                sz = sz.Remove(256);
+            }
+
+            // convert string to byte array, then change the encoding of the byte array
+            byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
+
+            // concert byte array to bytes
+            byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
+            byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
+            byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
+            byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
+            byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
+            byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
+            byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
+            byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
+            byItem032 = abyItem[32]; byItem033 = abyItem[33]; byItem034 = abyItem[34]; byItem035 = abyItem[35];
+            byItem036 = abyItem[36]; byItem037 = abyItem[37]; byItem038 = abyItem[38]; byItem039 = abyItem[39];
+            byItem040 = abyItem[40]; byItem041 = abyItem[41]; byItem042 = abyItem[42]; byItem043 = abyItem[43];
+            byItem044 = abyItem[44]; byItem045 = abyItem[45]; byItem046 = abyItem[46]; byItem047 = abyItem[47];
+            byItem048 = abyItem[48]; byItem049 = abyItem[49]; byItem050 = abyItem[50]; byItem051 = abyItem[51];
+            byItem052 = abyItem[52]; byItem053 = abyItem[53]; byItem054 = abyItem[54]; byItem055 = abyItem[55];
+            byItem056 = abyItem[56]; byItem057 = abyItem[57]; byItem058 = abyItem[58]; byItem059 = abyItem[59];
+            byItem060 = abyItem[60]; byItem061 = abyItem[61]; byItem062 = abyItem[62]; byItem063 = abyItem[63];
+            byItem064 = abyItem[64]; byItem065 = abyItem[65]; byItem066 = abyItem[66]; byItem067 = abyItem[67];
+            byItem068 = abyItem[68]; byItem069 = abyItem[69]; byItem070 = abyItem[70]; byItem071 = abyItem[71];
+            byItem072 = abyItem[72]; byItem073 = abyItem[73]; byItem074 = abyItem[74]; byItem075 = abyItem[75];
+            byItem076 = abyItem[76]; byItem077 = abyItem[77]; byItem078 = abyItem[78]; byItem079 = abyItem[79];
+            byItem080 = abyItem[80]; byItem081 = abyItem[81]; byItem082 = abyItem[82]; byItem083 = abyItem[83];
+            byItem084 = abyItem[84]; byItem085 = abyItem[85]; byItem086 = abyItem[86]; byItem087 = abyItem[87];
+            byItem088 = abyItem[88]; byItem089 = abyItem[89]; byItem090 = abyItem[90]; byItem091 = abyItem[91];
+            byItem092 = abyItem[92]; byItem093 = abyItem[93]; byItem094 = abyItem[94]; byItem095 = abyItem[95];
+            byItem096 = abyItem[96]; byItem097 = abyItem[97]; byItem098 = abyItem[98]; byItem099 = abyItem[99];
+            byItem100 = abyItem[100]; byItem101 = abyItem[101]; byItem102 = abyItem[102]; byItem103 = abyItem[103];
+            byItem104 = abyItem[104]; byItem105 = abyItem[105]; byItem106 = abyItem[106]; byItem107 = abyItem[107];
+            byItem108 = abyItem[108]; byItem109 = abyItem[109]; byItem110 = abyItem[110]; byItem111 = abyItem[111];
+            byItem112 = abyItem[112]; byItem113 = abyItem[113]; byItem114 = abyItem[114]; byItem115 = abyItem[115];
+            byItem116 = abyItem[116]; byItem117 = abyItem[117]; byItem118 = abyItem[118]; byItem119 = abyItem[119];
+            byItem120 = abyItem[120]; byItem121 = abyItem[121]; byItem122 = abyItem[122]; byItem123 = abyItem[123];
+            byItem124 = abyItem[124]; byItem125 = abyItem[125]; byItem126 = abyItem[126]; byItem127 = abyItem[127];
+            byItem128 = abyItem[128]; byItem129 = abyItem[129]; byItem130 = abyItem[130]; byItem131 = abyItem[131];
+            byItem132 = abyItem[132]; byItem133 = abyItem[133]; byItem134 = abyItem[134]; byItem135 = abyItem[135];
+            byItem136 = abyItem[136]; byItem137 = abyItem[137]; byItem138 = abyItem[138]; byItem139 = abyItem[139];
+            byItem140 = abyItem[140]; byItem141 = abyItem[141]; byItem142 = abyItem[142]; byItem143 = abyItem[143];
+            byItem144 = abyItem[144]; byItem145 = abyItem[145]; byItem146 = abyItem[146]; byItem147 = abyItem[147];
+            byItem148 = abyItem[148]; byItem149 = abyItem[149]; byItem150 = abyItem[150]; byItem151 = abyItem[151];
+            byItem152 = abyItem[152]; byItem153 = abyItem[153]; byItem154 = abyItem[154]; byItem155 = abyItem[155];
+            byItem156 = abyItem[156]; byItem157 = abyItem[157]; byItem158 = abyItem[158]; byItem159 = abyItem[159];
+            byItem160 = abyItem[160]; byItem161 = abyItem[161]; byItem162 = abyItem[162]; byItem163 = abyItem[163];
+            byItem164 = abyItem[164]; byItem165 = abyItem[165]; byItem166 = abyItem[166]; byItem167 = abyItem[167];
+            byItem168 = abyItem[168]; byItem169 = abyItem[169]; byItem170 = abyItem[170]; byItem171 = abyItem[171];
+            byItem172 = abyItem[172]; byItem173 = abyItem[173]; byItem174 = abyItem[174]; byItem175 = abyItem[175];
+            byItem176 = abyItem[176]; byItem177 = abyItem[177]; byItem178 = abyItem[178]; byItem179 = abyItem[179];
+            byItem180 = abyItem[180]; byItem181 = abyItem[181]; byItem182 = abyItem[182]; byItem183 = abyItem[183];
+            byItem184 = abyItem[184]; byItem185 = abyItem[185]; byItem186 = abyItem[186]; byItem187 = abyItem[187];
+            byItem188 = abyItem[188]; byItem189 = abyItem[189]; byItem190 = abyItem[190]; byItem191 = abyItem[191];
+            byItem192 = abyItem[192]; byItem193 = abyItem[193]; byItem194 = abyItem[194]; byItem195 = abyItem[195];
+            byItem196 = abyItem[196]; byItem197 = abyItem[197]; byItem198 = abyItem[198]; byItem199 = abyItem[199];
+            byItem200 = abyItem[200]; byItem201 = abyItem[201]; byItem202 = abyItem[202]; byItem203 = abyItem[203];
+            byItem204 = abyItem[204]; byItem205 = abyItem[205]; byItem206 = abyItem[206]; byItem207 = abyItem[207];
+            byItem208 = abyItem[208]; byItem209 = abyItem[209]; byItem210 = abyItem[210]; byItem211 = abyItem[211];
+            byItem212 = abyItem[212]; byItem213 = abyItem[213]; byItem214 = abyItem[214]; byItem215 = abyItem[215];
+            byItem216 = abyItem[216]; byItem217 = abyItem[217]; byItem218 = abyItem[218]; byItem219 = abyItem[219];
+            byItem220 = abyItem[220]; byItem221 = abyItem[221]; byItem222 = abyItem[222]; byItem223 = abyItem[223];
+            byItem224 = abyItem[224]; byItem225 = abyItem[225]; byItem226 = abyItem[226]; byItem227 = abyItem[227];
+            byItem228 = abyItem[228]; byItem229 = abyItem[229]; byItem230 = abyItem[230]; byItem231 = abyItem[231];
+            byItem232 = abyItem[232]; byItem233 = abyItem[233]; byItem234 = abyItem[234]; byItem235 = abyItem[235];
+            byItem236 = abyItem[236]; byItem237 = abyItem[237]; byItem238 = abyItem[238]; byItem239 = abyItem[239];
+            byItem240 = abyItem[240]; byItem241 = abyItem[241]; byItem242 = abyItem[242]; byItem243 = abyItem[243];
+            byItem244 = abyItem[244]; byItem245 = abyItem[245]; byItem246 = abyItem[246]; byItem247 = abyItem[247];
+            byItem248 = abyItem[248]; byItem249 = abyItem[249]; byItem250 = abyItem[250]; byItem251 = abyItem[251];
+            byItem252 = abyItem[252]; byItem253 = abyItem[253]; byItem254 = abyItem[254]; byItem255 = abyItem[255];
+        }
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Structure Definitions...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Structure Definitions..
+
+    /// <summary>
+    /// Fixed point structure type.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_FIX32
+    {
+        public short Whole;
+        public ushort Frac;
     }
 
     /// <summary>
-    /// Set our value...
+    /// Defines a frame rectangle in ICAP_UNITS coordinates.
     /// </summary>
-    /// <param name="a_sz"></param>
-    /// <param name="a_blMayHavePrefix"></param>
-    /// <param name="encoding"></param>
-    private void SetValue(string a_sz, bool a_blMayHavePrefix, Encoding? encoding = null)
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_FRAME
     {
-      // If we're running on a Mac, tack on the prefix 'byte'...
-      if (a_sz == null)
-      {
-        a_sz = "";
-      }
-      else if (a_blMayHavePrefix && TWPlatform.IsMacOSX)
-      {
-        a_sz = (char)a_sz.Length + a_sz;
-      }
-
-      // Make sure that we're NUL padded...
-      string sz =
-          a_sz +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +
-          "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
-      if (sz.Length > 256)
-      {
-        sz = sz.Remove(256);
-      }
-
-      // convert string to byte array, then change the encoding of the byte array
-      byte[] abyItem = Encoding.Convert(Encoding.Unicode, encoding ?? Language.GetEncoding(), Encoding.Unicode.GetBytes(sz));
-
-      // concert byte array to bytes
-      byItem000 = abyItem[0]; byItem001 = abyItem[1]; byItem002 = abyItem[2]; byItem003 = abyItem[3];
-      byItem004 = abyItem[4]; byItem005 = abyItem[5]; byItem006 = abyItem[6]; byItem007 = abyItem[7];
-      byItem008 = abyItem[8]; byItem009 = abyItem[9]; byItem010 = abyItem[10]; byItem011 = abyItem[11];
-      byItem012 = abyItem[12]; byItem013 = abyItem[13]; byItem014 = abyItem[14]; byItem015 = abyItem[15];
-      byItem016 = abyItem[16]; byItem017 = abyItem[17]; byItem018 = abyItem[18]; byItem019 = abyItem[19];
-      byItem020 = abyItem[20]; byItem021 = abyItem[21]; byItem022 = abyItem[22]; byItem023 = abyItem[23];
-      byItem024 = abyItem[24]; byItem025 = abyItem[25]; byItem026 = abyItem[26]; byItem027 = abyItem[27];
-      byItem028 = abyItem[28]; byItem029 = abyItem[29]; byItem030 = abyItem[30]; byItem031 = abyItem[31];
-      byItem032 = abyItem[32]; byItem033 = abyItem[33]; byItem034 = abyItem[34]; byItem035 = abyItem[35];
-      byItem036 = abyItem[36]; byItem037 = abyItem[37]; byItem038 = abyItem[38]; byItem039 = abyItem[39];
-      byItem040 = abyItem[40]; byItem041 = abyItem[41]; byItem042 = abyItem[42]; byItem043 = abyItem[43];
-      byItem044 = abyItem[44]; byItem045 = abyItem[45]; byItem046 = abyItem[46]; byItem047 = abyItem[47];
-      byItem048 = abyItem[48]; byItem049 = abyItem[49]; byItem050 = abyItem[50]; byItem051 = abyItem[51];
-      byItem052 = abyItem[52]; byItem053 = abyItem[53]; byItem054 = abyItem[54]; byItem055 = abyItem[55];
-      byItem056 = abyItem[56]; byItem057 = abyItem[57]; byItem058 = abyItem[58]; byItem059 = abyItem[59];
-      byItem060 = abyItem[60]; byItem061 = abyItem[61]; byItem062 = abyItem[62]; byItem063 = abyItem[63];
-      byItem064 = abyItem[64]; byItem065 = abyItem[65]; byItem066 = abyItem[66]; byItem067 = abyItem[67];
-      byItem068 = abyItem[68]; byItem069 = abyItem[69]; byItem070 = abyItem[70]; byItem071 = abyItem[71];
-      byItem072 = abyItem[72]; byItem073 = abyItem[73]; byItem074 = abyItem[74]; byItem075 = abyItem[75];
-      byItem076 = abyItem[76]; byItem077 = abyItem[77]; byItem078 = abyItem[78]; byItem079 = abyItem[79];
-      byItem080 = abyItem[80]; byItem081 = abyItem[81]; byItem082 = abyItem[82]; byItem083 = abyItem[83];
-      byItem084 = abyItem[84]; byItem085 = abyItem[85]; byItem086 = abyItem[86]; byItem087 = abyItem[87];
-      byItem088 = abyItem[88]; byItem089 = abyItem[89]; byItem090 = abyItem[90]; byItem091 = abyItem[91];
-      byItem092 = abyItem[92]; byItem093 = abyItem[93]; byItem094 = abyItem[94]; byItem095 = abyItem[95];
-      byItem096 = abyItem[96]; byItem097 = abyItem[97]; byItem098 = abyItem[98]; byItem099 = abyItem[99];
-      byItem100 = abyItem[100]; byItem101 = abyItem[101]; byItem102 = abyItem[102]; byItem103 = abyItem[103];
-      byItem104 = abyItem[104]; byItem105 = abyItem[105]; byItem106 = abyItem[106]; byItem107 = abyItem[107];
-      byItem108 = abyItem[108]; byItem109 = abyItem[109]; byItem110 = abyItem[110]; byItem111 = abyItem[111];
-      byItem112 = abyItem[112]; byItem113 = abyItem[113]; byItem114 = abyItem[114]; byItem115 = abyItem[115];
-      byItem116 = abyItem[116]; byItem117 = abyItem[117]; byItem118 = abyItem[118]; byItem119 = abyItem[119];
-      byItem120 = abyItem[120]; byItem121 = abyItem[121]; byItem122 = abyItem[122]; byItem123 = abyItem[123];
-      byItem124 = abyItem[124]; byItem125 = abyItem[125]; byItem126 = abyItem[126]; byItem127 = abyItem[127];
-      byItem128 = abyItem[128]; byItem129 = abyItem[129]; byItem130 = abyItem[130]; byItem131 = abyItem[131];
-      byItem132 = abyItem[132]; byItem133 = abyItem[133]; byItem134 = abyItem[134]; byItem135 = abyItem[135];
-      byItem136 = abyItem[136]; byItem137 = abyItem[137]; byItem138 = abyItem[138]; byItem139 = abyItem[139];
-      byItem140 = abyItem[140]; byItem141 = abyItem[141]; byItem142 = abyItem[142]; byItem143 = abyItem[143];
-      byItem144 = abyItem[144]; byItem145 = abyItem[145]; byItem146 = abyItem[146]; byItem147 = abyItem[147];
-      byItem148 = abyItem[148]; byItem149 = abyItem[149]; byItem150 = abyItem[150]; byItem151 = abyItem[151];
-      byItem152 = abyItem[152]; byItem153 = abyItem[153]; byItem154 = abyItem[154]; byItem155 = abyItem[155];
-      byItem156 = abyItem[156]; byItem157 = abyItem[157]; byItem158 = abyItem[158]; byItem159 = abyItem[159];
-      byItem160 = abyItem[160]; byItem161 = abyItem[161]; byItem162 = abyItem[162]; byItem163 = abyItem[163];
-      byItem164 = abyItem[164]; byItem165 = abyItem[165]; byItem166 = abyItem[166]; byItem167 = abyItem[167];
-      byItem168 = abyItem[168]; byItem169 = abyItem[169]; byItem170 = abyItem[170]; byItem171 = abyItem[171];
-      byItem172 = abyItem[172]; byItem173 = abyItem[173]; byItem174 = abyItem[174]; byItem175 = abyItem[175];
-      byItem176 = abyItem[176]; byItem177 = abyItem[177]; byItem178 = abyItem[178]; byItem179 = abyItem[179];
-      byItem180 = abyItem[180]; byItem181 = abyItem[181]; byItem182 = abyItem[182]; byItem183 = abyItem[183];
-      byItem184 = abyItem[184]; byItem185 = abyItem[185]; byItem186 = abyItem[186]; byItem187 = abyItem[187];
-      byItem188 = abyItem[188]; byItem189 = abyItem[189]; byItem190 = abyItem[190]; byItem191 = abyItem[191];
-      byItem192 = abyItem[192]; byItem193 = abyItem[193]; byItem194 = abyItem[194]; byItem195 = abyItem[195];
-      byItem196 = abyItem[196]; byItem197 = abyItem[197]; byItem198 = abyItem[198]; byItem199 = abyItem[199];
-      byItem200 = abyItem[200]; byItem201 = abyItem[201]; byItem202 = abyItem[202]; byItem203 = abyItem[203];
-      byItem204 = abyItem[204]; byItem205 = abyItem[205]; byItem206 = abyItem[206]; byItem207 = abyItem[207];
-      byItem208 = abyItem[208]; byItem209 = abyItem[209]; byItem210 = abyItem[210]; byItem211 = abyItem[211];
-      byItem212 = abyItem[212]; byItem213 = abyItem[213]; byItem214 = abyItem[214]; byItem215 = abyItem[215];
-      byItem216 = abyItem[216]; byItem217 = abyItem[217]; byItem218 = abyItem[218]; byItem219 = abyItem[219];
-      byItem220 = abyItem[220]; byItem221 = abyItem[221]; byItem222 = abyItem[222]; byItem223 = abyItem[223];
-      byItem224 = abyItem[224]; byItem225 = abyItem[225]; byItem226 = abyItem[226]; byItem227 = abyItem[227];
-      byItem228 = abyItem[228]; byItem229 = abyItem[229]; byItem230 = abyItem[230]; byItem231 = abyItem[231];
-      byItem232 = abyItem[232]; byItem233 = abyItem[233]; byItem234 = abyItem[234]; byItem235 = abyItem[235];
-      byItem236 = abyItem[236]; byItem237 = abyItem[237]; byItem238 = abyItem[238]; byItem239 = abyItem[239];
-      byItem240 = abyItem[240]; byItem241 = abyItem[241]; byItem242 = abyItem[242]; byItem243 = abyItem[243];
-      byItem244 = abyItem[244]; byItem245 = abyItem[245]; byItem246 = abyItem[246]; byItem247 = abyItem[247];
-      byItem248 = abyItem[248]; byItem249 = abyItem[249]; byItem250 = abyItem[250]; byItem251 = abyItem[251];
-      byItem252 = abyItem[252]; byItem253 = abyItem[253]; byItem254 = abyItem[254]; byItem255 = abyItem[255];
-    }
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Structure Definitions...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Structure Definitions..
-
-  /// <summary>
-  /// Fixed point structure type.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_FIX32
-  {
-    public short Whole;
-    public ushort Frac;
-  }
-
-  /// <summary>
-  /// Defines a frame rectangle in ICAP_UNITS coordinates.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_FRAME
-  {
-    public TW_FIX32 Left;
-    public TW_FIX32 Top;
-    public TW_FIX32 Right;
-    public TW_FIX32 Bottom;
-  }
-
-  /// <summary>
-  /// Defines the parameters used for channel-specific transformation.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_DECODEFUNCTION
-  {
-    public TW_FIX32 StartIn;
-    public TW_FIX32 BreakIn;
-    public TW_FIX32 EndIn;
-    public TW_FIX32 StartOut;
-    public TW_FIX32 BreakOut;
-    public TW_FIX32 EndOut;
-    public TW_FIX32 Gamma;
-    public TW_FIX32 SampleCount;
-  }
-
-  /// <summary>
-  /// Stores a Fixed point number in two parts, a whole and a fractional part.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_TRANSFORMSTAGE
-  {
-    public TW_DECODEFUNCTION Decode_0;
-    public TW_DECODEFUNCTION Decode_1;
-    public TW_DECODEFUNCTION Decode_2;
-    public TW_FIX32 Mix_0_0;
-    public TW_FIX32 Mix_0_1;
-    public TW_FIX32 Mix_0_2;
-    public TW_FIX32 Mix_1_0;
-    public TW_FIX32 Mix_1_1;
-    public TW_FIX32 Mix_1_2;
-    public TW_FIX32 Mix_2_0;
-    public TW_FIX32 Mix_2_1;
-    public TW_FIX32 Mix_2_2;
-  }
-
-  /// <summary>
-  /// Stores a list of values for a capability, the ItemList is commented
-  /// out so that the caller can collect information about it with a
-  /// marshalling call...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ARRAY
-  {
-    public TWTY ItemType;
-    public uint NumItems;
-    //public byte[] ItemList;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ARRAY_MACOSX
-  {
-    public uint ItemType;
-    public uint NumItems;
-    //public byte[] ItemList;
-  }
-
-  /// <summary>
-  /// Information about audio data.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_AUDIOINFO
-  {
-    public TW_STR255 Name;
-    public uint Reserved;
-  }
-
-  /// <summary>
-  /// Used to register callbacks.
-  /// </summary>
-  [SuppressMessage("Microsoft.Design", "CA1049:TypesThatOwnNativeResourcesShouldBeDisposable")]
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_CALLBACK
-  {
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr CallBackProc;
-    public uint RefCon;
-    public ushort Message;
-  }
-
-  /// <summary>
-  /// Used to register callbacks.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_CALLBACK2
-  {
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr CallBackProc;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public UIntPtr RefCon;
-    public ushort Message;
-  }
-
-  /// <summary>
-  /// Used by application to get/set capability from/in a data source.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public partial struct TW_CAPABILITY
-  {
-    public CAP Cap;
-    public TWON ConType;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr hContainer;
-  }
-
-  /// <summary>
-  /// Defines a CIE XYZ space tri-stimulus value.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_CIEPOINT
-  {
-    public TW_FIX32 X;
-    public TW_FIX32 Y;
-    public TW_FIX32 Z;
-  }
-
-  /// <summary>
-  /// Defines the mapping from an RGB color space device into CIE 1931 (XYZ) color space.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_CIECOLOR
-  {
-    public ushort ColorSpace;
-    public short LowEndian;
-    public short DeviceDependent;
-    public int VersionNumber;
-    public TW_TRANSFORMSTAGE StageABC;
-    public TW_TRANSFORMSTAGE StageLNM;
-    public TW_CIEPOINT WhitePoint;
-    public TW_CIEPOINT BlackPoint;
-    public TW_CIEPOINT WhitePaper;
-    public TW_CIEPOINT BlackInk;
-    public TW_FIX32 Samples;
-  }
-
-  /// <summary>
-  /// Allows for a data source and application to pass custom data to each other.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_CUSTOMDSDATA
-  {
-    public uint InfoLength;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr hData;
-  }
-
-  /// <summary>
-  /// Provides information about the Event that was raised by the Source.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_DEVICEEVENT
-  {
-    private uint _Event;
-    public TW_STR255 DeviceName;
-    public uint BatteryMinutes;
-    public short BatteryPercentage;
-    public int PowerSupply;
-    public TW_FIX32 XResolution;
-    public TW_FIX32 YResolution;
-    private uint _FlashUsed2;
-    public uint AutomaticCapture;
-    public uint TimeBeforeFirstCapture;
-    public uint TimeBetweenCaptures;
-  }
-
-  /// <summary>
-  /// This structure holds the tri-stimulus color palette information for TW_PALETTE8 structures.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ELEMENT8
-  {
-    public byte Index;
-    public byte Channel1;
-    public byte Channel2;
-    public byte Channel3;
-  }
-
-  /// <summary>
-  /// DAT_ENTRYPOINT. returns essential entry points.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ENTRYPOINT
-  {
-    public UInt32 Size;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_Entry;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemAllocate;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemFree;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemLock;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemUnlock;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ENTRYPOINT_LINUX64
-  {
-    public long Size;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_Entry;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemAllocate;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemFree;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemLock;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_MemUnlock;
-  }
-  public struct TW_ENTRYPOINT_DELEGATES
-  {
-    public UInt32 Size;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr DSM_Entry;
-    public DSM_MEMALLOC DSM_MemAllocate;
-    public DSM_MEMFREE DSM_MemFree;
-    public DSM_MEMLOCK DSM_MemLock;
-    public DSM_MEMUNLOCK DSM_MemUnlock;
-  }
-  public delegate IntPtr DSM_MEMALLOC(uint size);
-  public delegate void DSM_MEMFREE(IntPtr handle);
-  public delegate IntPtr DSM_MEMLOCK(IntPtr handle);
-  public delegate void DSM_MEMUNLOCK(IntPtr handle);
-
-  /// <summary>
-  /// Stores a group of enumerated values for a capability, the ItemList is
-  /// commented out so that the caller can collect information about it with
-  /// a marshalling call...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ENUMERATION
-  {
-    public TWTY ItemType;
-    public uint NumItems;
-    public uint CurrentIndex;
-    public uint DefaultIndex;
-    //public byte[] ItemList;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ENUMERATION_LINUX64
-  {
-    public TWTY ItemType;
-    public ulong NumItems;
-    public ulong CurrentIndex;
-    public ulong DefaultIndex;
-    //public byte[] ItemList;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 4)]
-  public struct TW_ENUMERATION_MACOSX
-  {
-    public uint ItemType;
-    public uint NumItems;
-    public uint CurrentIndex;
-    public uint DefaultIndex;
-    //public byte[] ItemList;
-  }
-
-  /// <summary>
-  /// Used to pass application events/messages from the application to the Source.
-  /// </summary>
-  [SuppressMessage("Microsoft.Design", "CA1049:TypesThatOwnNativeResourcesShouldBeDisposable")]
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_EVENT
-  {
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr pEvent;
-    public ushort TWMessage;
-  }
-
-  /// <summary>
-  /// DAT_FILTER...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_FILTER_DESCRIPTOR
-  {
-    public UInt32 Size;
-    public UInt32 HueStart;
-    public UInt32 HueEnd;
-    public UInt32 SaturationStart;
-    public UInt32 SaturationEnd;
-    public UInt32 ValueStart;
-    public UInt32 ValueEnd;
-    public UInt32 Replacement;
-  }
-
-  /// <summary>
-  /// DAT_FILTER...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_FILTER
-  {
-    public UInt32 Size;
-    public UInt32 DescriptorCount;
-    public UInt32 MaxDescriptorCount;
-    public UInt32 Condition;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr hDescriptors;
-  }
-
-  /// <summary>
-  /// This structure is used to pass specific information between the data source and the application.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_INFO
-  {
-    public TWEI InfoId;
-    public TWTY ItemType;
-    public ushort NumItems;
-    public TWRC ReturnCode;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public UIntPtr Item;
-  }
-
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_EXTIMAGEINFO
-  {
-    private uint NumInfos;
-    private TW_INFO Info_000;
-    private TW_INFO Info_001;
-    private TW_INFO Info_002;
-    private TW_INFO Info_003;
-    private TW_INFO Info_004;
-    private TW_INFO Info_005;
-    private TW_INFO Info_006;
-    private TW_INFO Info_007;
-    private TW_INFO Info_008;
-    private TW_INFO Info_009;
-    private TW_INFO Info_010;
-    private TW_INFO Info_011;
-    private TW_INFO Info_012;
-    private TW_INFO Info_013;
-    private TW_INFO Info_014;
-    private TW_INFO Info_015;
-    private TW_INFO Info_016;
-    private TW_INFO Info_017;
-    private TW_INFO Info_018;
-    private TW_INFO Info_019;
-    private TW_INFO Info_020;
-    private TW_INFO Info_021;
-    private TW_INFO Info_022;
-    private TW_INFO Info_023;
-    private TW_INFO Info_024;
-    private TW_INFO Info_025;
-    private TW_INFO Info_026;
-    private TW_INFO Info_027;
-    private TW_INFO Info_028;
-    private TW_INFO Info_029;
-    private TW_INFO Info_030;
-    private TW_INFO Info_031;
-    private TW_INFO Info_032;
-    private TW_INFO Info_033;
-    private TW_INFO Info_034;
-    private TW_INFO Info_035;
-    private TW_INFO Info_036;
-    private TW_INFO Info_037;
-    private TW_INFO Info_038;
-    private TW_INFO Info_039;
-    private TW_INFO Info_040;
-    private TW_INFO Info_041;
-    private TW_INFO Info_042;
-    private TW_INFO Info_043;
-    private TW_INFO Info_044;
-    private TW_INFO Info_045;
-    private TW_INFO Info_046;
-    private TW_INFO Info_047;
-    private TW_INFO Info_048;
-    private TW_INFO Info_049;
-    private TW_INFO Info_050;
-    private TW_INFO Info_051;
-    private TW_INFO Info_052;
-    private TW_INFO Info_053;
-    private TW_INFO Info_054;
-    private TW_INFO Info_055;
-    private TW_INFO Info_056;
-    private TW_INFO Info_057;
-    private TW_INFO Info_058;
-    private TW_INFO Info_059;
-    private TW_INFO Info_060;
-    private TW_INFO Info_061;
-    private TW_INFO Info_062;
-    private TW_INFO Info_063;
-    private TW_INFO Info_064;
-    private TW_INFO Info_065;
-    private TW_INFO Info_066;
-    private TW_INFO Info_067;
-    private TW_INFO Info_068;
-    private TW_INFO Info_069;
-    private TW_INFO Info_070;
-    private TW_INFO Info_071;
-    private TW_INFO Info_072;
-    private TW_INFO Info_073;
-    private TW_INFO Info_074;
-    private TW_INFO Info_075;
-    private TW_INFO Info_076;
-    private TW_INFO Info_077;
-    private TW_INFO Info_078;
-    private TW_INFO Info_079;
-    private TW_INFO Info_080;
-    private TW_INFO Info_081;
-    private TW_INFO Info_082;
-    private TW_INFO Info_083;
-    private TW_INFO Info_084;
-    private TW_INFO Info_085;
-    private TW_INFO Info_086;
-    private TW_INFO Info_087;
-    private TW_INFO Info_088;
-    private TW_INFO Info_089;
-    private TW_INFO Info_090;
-    private TW_INFO Info_091;
-    private TW_INFO Info_092;
-    private TW_INFO Info_093;
-    private TW_INFO Info_094;
-    private TW_INFO Info_095;
-    private TW_INFO Info_096;
-    private TW_INFO Info_097;
-    private TW_INFO Info_098;
-    private TW_INFO Info_099;
-
-    // 200 seems overkill for anyone to request
-    // at once so I cut it down in half
-
-    //private TW_INFO Info_100;
-    //private TW_INFO Info_101;
-    //private TW_INFO Info_102;
-    //private TW_INFO Info_103;
-    //private TW_INFO Info_104;
-    //private TW_INFO Info_105;
-    //private TW_INFO Info_106;
-    //private TW_INFO Info_107;
-    //private TW_INFO Info_108;
-    //private TW_INFO Info_109;
-    //private TW_INFO Info_110;
-    //private TW_INFO Info_111;
-    //private TW_INFO Info_112;
-    //private TW_INFO Info_113;
-    //private TW_INFO Info_114;
-    //private TW_INFO Info_115;
-    //private TW_INFO Info_116;
-    //private TW_INFO Info_117;
-    //private TW_INFO Info_118;
-    //private TW_INFO Info_119;
-    //private TW_INFO Info_120;
-    //private TW_INFO Info_121;
-    //private TW_INFO Info_122;
-    //private TW_INFO Info_123;
-    //private TW_INFO Info_124;
-    //private TW_INFO Info_125;
-    //private TW_INFO Info_126;
-    //private TW_INFO Info_127;
-    //private TW_INFO Info_128;
-    //private TW_INFO Info_129;
-    //private TW_INFO Info_130;
-    //private TW_INFO Info_131;
-    //private TW_INFO Info_132;
-    //private TW_INFO Info_133;
-    //private TW_INFO Info_134;
-    //private TW_INFO Info_135;
-    //private TW_INFO Info_136;
-    //private TW_INFO Info_137;
-    //private TW_INFO Info_138;
-    //private TW_INFO Info_139;
-    //private TW_INFO Info_140;
-    //private TW_INFO Info_141;
-    //private TW_INFO Info_142;
-    //private TW_INFO Info_143;
-    //private TW_INFO Info_144;
-    //private TW_INFO Info_145;
-    //private TW_INFO Info_146;
-    //private TW_INFO Info_147;
-    //private TW_INFO Info_148;
-    //private TW_INFO Info_149;
-    //private TW_INFO Info_150;
-    //private TW_INFO Info_151;
-    //private TW_INFO Info_152;
-    //private TW_INFO Info_153;
-    //private TW_INFO Info_154;
-    //private TW_INFO Info_155;
-    //private TW_INFO Info_156;
-    //private TW_INFO Info_157;
-    //private TW_INFO Info_158;
-    //private TW_INFO Info_159;
-    //private TW_INFO Info_160;
-    //private TW_INFO Info_161;
-    //private TW_INFO Info_162;
-    //private TW_INFO Info_163;
-    //private TW_INFO Info_164;
-    //private TW_INFO Info_165;
-    //private TW_INFO Info_166;
-    //private TW_INFO Info_167;
-    //private TW_INFO Info_168;
-    //private TW_INFO Info_169;
-    //private TW_INFO Info_170;
-    //private TW_INFO Info_171;
-    //private TW_INFO Info_172;
-    //private TW_INFO Info_173;
-    //private TW_INFO Info_174;
-    //private TW_INFO Info_175;
-    //private TW_INFO Info_176;
-    //private TW_INFO Info_177;
-    //private TW_INFO Info_178;
-    //private TW_INFO Info_179;
-    //private TW_INFO Info_180;
-    //private TW_INFO Info_181;
-    //private TW_INFO Info_182;
-    //private TW_INFO Info_183;
-    //private TW_INFO Info_184;
-    //private TW_INFO Info_185;
-    //private TW_INFO Info_186;
-    //private TW_INFO Info_187;
-    //private TW_INFO Info_188;
-    //private TW_INFO Info_189;
-    //private TW_INFO Info_190;
-    //private TW_INFO Info_191;
-    //private TW_INFO Info_192;
-    //private TW_INFO Info_193;
-    //private TW_INFO Info_194;
-    //private TW_INFO Info_195;
-    //private TW_INFO Info_196;
-    //private TW_INFO Info_197;
-    //private TW_INFO Info_198;
-    //private TW_INFO Info_199;
-
-    public void Get(int a_uIndex, ref TW_INFO a_twinfo)
-    {
-      switch (a_uIndex)
-      {
-        default: return;
-        case 0: a_twinfo = Info_000; return;
-        case 1: a_twinfo = Info_001; return;
-        case 2: a_twinfo = Info_002; return;
-        case 3: a_twinfo = Info_003; return;
-        case 4: a_twinfo = Info_004; return;
-        case 5: a_twinfo = Info_005; return;
-        case 6: a_twinfo = Info_006; return;
-        case 7: a_twinfo = Info_007; return;
-        case 8: a_twinfo = Info_008; return;
-        case 9: a_twinfo = Info_009; return;
-        case 10: a_twinfo = Info_010; return;
-        case 11: a_twinfo = Info_011; return;
-        case 12: a_twinfo = Info_012; return;
-        case 13: a_twinfo = Info_013; return;
-        case 14: a_twinfo = Info_014; return;
-        case 15: a_twinfo = Info_015; return;
-        case 16: a_twinfo = Info_016; return;
-        case 17: a_twinfo = Info_017; return;
-        case 18: a_twinfo = Info_018; return;
-        case 19: a_twinfo = Info_019; return;
-        case 20: a_twinfo = Info_020; return;
-        case 21: a_twinfo = Info_021; return;
-        case 22: a_twinfo = Info_022; return;
-        case 23: a_twinfo = Info_023; return;
-        case 24: a_twinfo = Info_024; return;
-        case 25: a_twinfo = Info_025; return;
-        case 26: a_twinfo = Info_026; return;
-        case 27: a_twinfo = Info_027; return;
-        case 28: a_twinfo = Info_028; return;
-        case 29: a_twinfo = Info_029; return;
-        case 30: a_twinfo = Info_030; return;
-        case 31: a_twinfo = Info_031; return;
-        case 32: a_twinfo = Info_032; return;
-        case 33: a_twinfo = Info_033; return;
-        case 34: a_twinfo = Info_034; return;
-        case 35: a_twinfo = Info_035; return;
-        case 36: a_twinfo = Info_036; return;
-        case 37: a_twinfo = Info_037; return;
-        case 38: a_twinfo = Info_038; return;
-        case 39: a_twinfo = Info_039; return;
-        case 40: a_twinfo = Info_040; return;
-        case 41: a_twinfo = Info_041; return;
-        case 42: a_twinfo = Info_042; return;
-        case 43: a_twinfo = Info_043; return;
-        case 44: a_twinfo = Info_044; return;
-        case 45: a_twinfo = Info_045; return;
-        case 46: a_twinfo = Info_046; return;
-        case 47: a_twinfo = Info_047; return;
-        case 48: a_twinfo = Info_048; return;
-        case 49: a_twinfo = Info_049; return;
-        case 50: a_twinfo = Info_050; return;
-        case 51: a_twinfo = Info_051; return;
-        case 52: a_twinfo = Info_052; return;
-        case 53: a_twinfo = Info_053; return;
-        case 54: a_twinfo = Info_054; return;
-        case 55: a_twinfo = Info_055; return;
-        case 56: a_twinfo = Info_056; return;
-        case 57: a_twinfo = Info_057; return;
-        case 58: a_twinfo = Info_058; return;
-        case 59: a_twinfo = Info_059; return;
-        case 60: a_twinfo = Info_060; return;
-        case 61: a_twinfo = Info_061; return;
-        case 62: a_twinfo = Info_062; return;
-        case 63: a_twinfo = Info_063; return;
-        case 64: a_twinfo = Info_064; return;
-        case 65: a_twinfo = Info_065; return;
-        case 66: a_twinfo = Info_066; return;
-        case 67: a_twinfo = Info_067; return;
-        case 68: a_twinfo = Info_068; return;
-        case 69: a_twinfo = Info_069; return;
-        case 70: a_twinfo = Info_070; return;
-        case 71: a_twinfo = Info_071; return;
-        case 72: a_twinfo = Info_072; return;
-        case 73: a_twinfo = Info_073; return;
-        case 74: a_twinfo = Info_074; return;
-        case 75: a_twinfo = Info_075; return;
-        case 76: a_twinfo = Info_076; return;
-        case 77: a_twinfo = Info_077; return;
-        case 78: a_twinfo = Info_078; return;
-        case 79: a_twinfo = Info_079; return;
-        case 80: a_twinfo = Info_080; return;
-        case 81: a_twinfo = Info_081; return;
-        case 82: a_twinfo = Info_082; return;
-        case 83: a_twinfo = Info_083; return;
-        case 84: a_twinfo = Info_084; return;
-        case 85: a_twinfo = Info_085; return;
-        case 86: a_twinfo = Info_086; return;
-        case 87: a_twinfo = Info_087; return;
-        case 88: a_twinfo = Info_088; return;
-        case 89: a_twinfo = Info_089; return;
-        case 90: a_twinfo = Info_090; return;
-        case 91: a_twinfo = Info_091; return;
-        case 92: a_twinfo = Info_092; return;
-        case 93: a_twinfo = Info_093; return;
-        case 94: a_twinfo = Info_094; return;
-        case 95: a_twinfo = Info_095; return;
-        case 96: a_twinfo = Info_096; return;
-        case 97: a_twinfo = Info_097; return;
-        case 98: a_twinfo = Info_098; return;
-        case 99: a_twinfo = Info_099; return;
-        //case 100: a_twinfo = Info_100; return;
-        //case 101: a_twinfo = Info_101; return;
-        //case 102: a_twinfo = Info_102; return;
-        //case 103: a_twinfo = Info_103; return;
-        //case 104: a_twinfo = Info_104; return;
-        //case 105: a_twinfo = Info_105; return;
-        //case 106: a_twinfo = Info_106; return;
-        //case 107: a_twinfo = Info_107; return;
-        //case 108: a_twinfo = Info_108; return;
-        //case 109: a_twinfo = Info_109; return;
-        //case 110: a_twinfo = Info_110; return;
-        //case 111: a_twinfo = Info_111; return;
-        //case 112: a_twinfo = Info_112; return;
-        //case 113: a_twinfo = Info_113; return;
-        //case 114: a_twinfo = Info_114; return;
-        //case 115: a_twinfo = Info_115; return;
-        //case 116: a_twinfo = Info_116; return;
-        //case 117: a_twinfo = Info_117; return;
-        //case 118: a_twinfo = Info_118; return;
-        //case 119: a_twinfo = Info_119; return;
-        //case 120: a_twinfo = Info_120; return;
-        //case 121: a_twinfo = Info_121; return;
-        //case 122: a_twinfo = Info_122; return;
-        //case 123: a_twinfo = Info_123; return;
-        //case 124: a_twinfo = Info_124; return;
-        //case 125: a_twinfo = Info_125; return;
-        //case 126: a_twinfo = Info_126; return;
-        //case 127: a_twinfo = Info_127; return;
-        //case 128: a_twinfo = Info_128; return;
-        //case 129: a_twinfo = Info_129; return;
-        //case 130: a_twinfo = Info_130; return;
-        //case 131: a_twinfo = Info_131; return;
-        //case 132: a_twinfo = Info_132; return;
-        //case 133: a_twinfo = Info_133; return;
-        //case 134: a_twinfo = Info_134; return;
-        //case 135: a_twinfo = Info_135; return;
-        //case 136: a_twinfo = Info_136; return;
-        //case 137: a_twinfo = Info_137; return;
-        //case 138: a_twinfo = Info_138; return;
-        //case 139: a_twinfo = Info_139; return;
-        //case 140: a_twinfo = Info_140; return;
-        //case 141: a_twinfo = Info_141; return;
-        //case 142: a_twinfo = Info_142; return;
-        //case 143: a_twinfo = Info_143; return;
-        //case 144: a_twinfo = Info_144; return;
-        //case 145: a_twinfo = Info_145; return;
-        //case 146: a_twinfo = Info_146; return;
-        //case 147: a_twinfo = Info_147; return;
-        //case 148: a_twinfo = Info_148; return;
-        //case 149: a_twinfo = Info_149; return;
-        //case 150: a_twinfo = Info_150; return;
-        //case 151: a_twinfo = Info_151; return;
-        //case 152: a_twinfo = Info_152; return;
-        //case 153: a_twinfo = Info_153; return;
-        //case 154: a_twinfo = Info_154; return;
-        //case 155: a_twinfo = Info_155; return;
-        //case 156: a_twinfo = Info_156; return;
-        //case 157: a_twinfo = Info_157; return;
-        //case 158: a_twinfo = Info_158; return;
-        //case 159: a_twinfo = Info_159; return;
-        //case 160: a_twinfo = Info_160; return;
-        //case 161: a_twinfo = Info_161; return;
-        //case 162: a_twinfo = Info_162; return;
-        //case 163: a_twinfo = Info_163; return;
-        //case 164: a_twinfo = Info_164; return;
-        //case 165: a_twinfo = Info_165; return;
-        //case 166: a_twinfo = Info_166; return;
-        //case 167: a_twinfo = Info_167; return;
-        //case 168: a_twinfo = Info_168; return;
-        //case 169: a_twinfo = Info_169; return;
-        //case 170: a_twinfo = Info_170; return;
-        //case 171: a_twinfo = Info_171; return;
-        //case 172: a_twinfo = Info_172; return;
-        //case 173: a_twinfo = Info_173; return;
-        //case 174: a_twinfo = Info_174; return;
-        //case 175: a_twinfo = Info_175; return;
-        //case 176: a_twinfo = Info_176; return;
-        //case 177: a_twinfo = Info_177; return;
-        //case 178: a_twinfo = Info_178; return;
-        //case 179: a_twinfo = Info_179; return;
-        //case 180: a_twinfo = Info_180; return;
-        //case 181: a_twinfo = Info_181; return;
-        //case 182: a_twinfo = Info_182; return;
-        //case 183: a_twinfo = Info_183; return;
-        //case 184: a_twinfo = Info_184; return;
-        //case 185: a_twinfo = Info_185; return;
-        //case 186: a_twinfo = Info_186; return;
-        //case 187: a_twinfo = Info_187; return;
-        //case 188: a_twinfo = Info_188; return;
-        //case 189: a_twinfo = Info_189; return;
-        //case 190: a_twinfo = Info_190; return;
-        //case 191: a_twinfo = Info_191; return;
-        //case 192: a_twinfo = Info_192; return;
-        //case 193: a_twinfo = Info_193; return;
-        //case 194: a_twinfo = Info_194; return;
-        //case 195: a_twinfo = Info_195; return;
-        //case 196: a_twinfo = Info_196; return;
-        //case 197: a_twinfo = Info_197; return;
-        //case 198: a_twinfo = Info_198; return;
-        //case 199: a_twinfo = Info_199; return;
-      }
-    }
-
-    public void Set(int a_uIndex, ref TW_INFO a_twinfo)
-    {
-      switch (a_uIndex)
-      {
-        default: return;
-        case 0: Info_000 = a_twinfo; return;
-        case 1: Info_001 = a_twinfo; return;
-        case 2: Info_002 = a_twinfo; return;
-        case 3: Info_003 = a_twinfo; return;
-        case 4: Info_004 = a_twinfo; return;
-        case 5: Info_005 = a_twinfo; return;
-        case 6: Info_006 = a_twinfo; return;
-        case 7: Info_007 = a_twinfo; return;
-        case 8: Info_008 = a_twinfo; return;
-        case 9: Info_009 = a_twinfo; return;
-        case 10: Info_010 = a_twinfo; return;
-        case 11: Info_011 = a_twinfo; return;
-        case 12: Info_012 = a_twinfo; return;
-        case 13: Info_013 = a_twinfo; return;
-        case 14: Info_014 = a_twinfo; return;
-        case 15: Info_015 = a_twinfo; return;
-        case 16: Info_016 = a_twinfo; return;
-        case 17: Info_017 = a_twinfo; return;
-        case 18: Info_018 = a_twinfo; return;
-        case 19: Info_019 = a_twinfo; return;
-        case 20: Info_020 = a_twinfo; return;
-        case 21: Info_021 = a_twinfo; return;
-        case 22: Info_022 = a_twinfo; return;
-        case 23: Info_023 = a_twinfo; return;
-        case 24: Info_024 = a_twinfo; return;
-        case 25: Info_025 = a_twinfo; return;
-        case 26: Info_026 = a_twinfo; return;
-        case 27: Info_027 = a_twinfo; return;
-        case 28: Info_028 = a_twinfo; return;
-        case 29: Info_029 = a_twinfo; return;
-        case 30: Info_030 = a_twinfo; return;
-        case 31: Info_031 = a_twinfo; return;
-        case 32: Info_032 = a_twinfo; return;
-        case 33: Info_033 = a_twinfo; return;
-        case 34: Info_034 = a_twinfo; return;
-        case 35: Info_035 = a_twinfo; return;
-        case 36: Info_036 = a_twinfo; return;
-        case 37: Info_037 = a_twinfo; return;
-        case 38: Info_038 = a_twinfo; return;
-        case 39: Info_039 = a_twinfo; return;
-        case 40: Info_040 = a_twinfo; return;
-        case 41: Info_041 = a_twinfo; return;
-        case 42: Info_042 = a_twinfo; return;
-        case 43: Info_043 = a_twinfo; return;
-        case 44: Info_044 = a_twinfo; return;
-        case 45: Info_045 = a_twinfo; return;
-        case 46: Info_046 = a_twinfo; return;
-        case 47: Info_047 = a_twinfo; return;
-        case 48: Info_048 = a_twinfo; return;
-        case 49: Info_049 = a_twinfo; return;
-        case 50: Info_050 = a_twinfo; return;
-        case 51: Info_051 = a_twinfo; return;
-        case 52: Info_052 = a_twinfo; return;
-        case 53: Info_053 = a_twinfo; return;
-        case 54: Info_054 = a_twinfo; return;
-        case 55: Info_055 = a_twinfo; return;
-        case 56: Info_056 = a_twinfo; return;
-        case 57: Info_057 = a_twinfo; return;
-        case 58: Info_058 = a_twinfo; return;
-        case 59: Info_059 = a_twinfo; return;
-        case 60: Info_060 = a_twinfo; return;
-        case 61: Info_061 = a_twinfo; return;
-        case 62: Info_062 = a_twinfo; return;
-        case 63: Info_063 = a_twinfo; return;
-        case 64: Info_064 = a_twinfo; return;
-        case 65: Info_065 = a_twinfo; return;
-        case 66: Info_066 = a_twinfo; return;
-        case 67: Info_067 = a_twinfo; return;
-        case 68: Info_068 = a_twinfo; return;
-        case 69: Info_069 = a_twinfo; return;
-        case 70: Info_070 = a_twinfo; return;
-        case 71: Info_071 = a_twinfo; return;
-        case 72: Info_072 = a_twinfo; return;
-        case 73: Info_073 = a_twinfo; return;
-        case 74: Info_074 = a_twinfo; return;
-        case 75: Info_075 = a_twinfo; return;
-        case 76: Info_076 = a_twinfo; return;
-        case 77: Info_077 = a_twinfo; return;
-        case 78: Info_078 = a_twinfo; return;
-        case 79: Info_079 = a_twinfo; return;
-        case 80: Info_080 = a_twinfo; return;
-        case 81: Info_081 = a_twinfo; return;
-        case 82: Info_082 = a_twinfo; return;
-        case 83: Info_083 = a_twinfo; return;
-        case 84: Info_084 = a_twinfo; return;
-        case 85: Info_085 = a_twinfo; return;
-        case 86: Info_086 = a_twinfo; return;
-        case 87: Info_087 = a_twinfo; return;
-        case 88: Info_088 = a_twinfo; return;
-        case 89: Info_089 = a_twinfo; return;
-        case 90: Info_090 = a_twinfo; return;
-        case 91: Info_091 = a_twinfo; return;
-        case 92: Info_092 = a_twinfo; return;
-        case 93: Info_093 = a_twinfo; return;
-        case 94: Info_094 = a_twinfo; return;
-        case 95: Info_095 = a_twinfo; return;
-        case 96: Info_096 = a_twinfo; return;
-        case 97: Info_097 = a_twinfo; return;
-        case 98: Info_098 = a_twinfo; return;
-        case 99: Info_099 = a_twinfo; return;
-        //case 100: Info_100 = a_twinfo; return;
-        //case 101: Info_101 = a_twinfo; return;
-        //case 102: Info_102 = a_twinfo; return;
-        //case 103: Info_103 = a_twinfo; return;
-        //case 104: Info_104 = a_twinfo; return;
-        //case 105: Info_105 = a_twinfo; return;
-        //case 106: Info_106 = a_twinfo; return;
-        //case 107: Info_107 = a_twinfo; return;
-        //case 108: Info_108 = a_twinfo; return;
-        //case 109: Info_109 = a_twinfo; return;
-        //case 110: Info_110 = a_twinfo; return;
-        //case 111: Info_111 = a_twinfo; return;
-        //case 112: Info_112 = a_twinfo; return;
-        //case 113: Info_113 = a_twinfo; return;
-        //case 114: Info_114 = a_twinfo; return;
-        //case 115: Info_115 = a_twinfo; return;
-        //case 116: Info_116 = a_twinfo; return;
-        //case 117: Info_117 = a_twinfo; return;
-        //case 118: Info_118 = a_twinfo; return;
-        //case 119: Info_119 = a_twinfo; return;
-        //case 120: Info_120 = a_twinfo; return;
-        //case 121: Info_121 = a_twinfo; return;
-        //case 122: Info_122 = a_twinfo; return;
-        //case 123: Info_123 = a_twinfo; return;
-        //case 124: Info_124 = a_twinfo; return;
-        //case 125: Info_125 = a_twinfo; return;
-        //case 126: Info_126 = a_twinfo; return;
-        //case 127: Info_127 = a_twinfo; return;
-        //case 128: Info_128 = a_twinfo; return;
-        //case 129: Info_129 = a_twinfo; return;
-        //case 130: Info_130 = a_twinfo; return;
-        //case 131: Info_131 = a_twinfo; return;
-        //case 132: Info_132 = a_twinfo; return;
-        //case 133: Info_133 = a_twinfo; return;
-        //case 134: Info_134 = a_twinfo; return;
-        //case 135: Info_135 = a_twinfo; return;
-        //case 136: Info_136 = a_twinfo; return;
-        //case 137: Info_137 = a_twinfo; return;
-        //case 138: Info_138 = a_twinfo; return;
-        //case 139: Info_139 = a_twinfo; return;
-        //case 140: Info_140 = a_twinfo; return;
-        //case 141: Info_141 = a_twinfo; return;
-        //case 142: Info_142 = a_twinfo; return;
-        //case 143: Info_143 = a_twinfo; return;
-        //case 144: Info_144 = a_twinfo; return;
-        //case 145: Info_145 = a_twinfo; return;
-        //case 146: Info_146 = a_twinfo; return;
-        //case 147: Info_147 = a_twinfo; return;
-        //case 148: Info_148 = a_twinfo; return;
-        //case 149: Info_149 = a_twinfo; return;
-        //case 150: Info_150 = a_twinfo; return;
-        //case 151: Info_151 = a_twinfo; return;
-        //case 152: Info_152 = a_twinfo; return;
-        //case 153: Info_153 = a_twinfo; return;
-        //case 154: Info_154 = a_twinfo; return;
-        //case 155: Info_155 = a_twinfo; return;
-        //case 156: Info_156 = a_twinfo; return;
-        //case 157: Info_157 = a_twinfo; return;
-        //case 158: Info_158 = a_twinfo; return;
-        //case 159: Info_159 = a_twinfo; return;
-        //case 160: Info_160 = a_twinfo; return;
-        //case 161: Info_161 = a_twinfo; return;
-        //case 162: Info_162 = a_twinfo; return;
-        //case 163: Info_163 = a_twinfo; return;
-        //case 164: Info_164 = a_twinfo; return;
-        //case 165: Info_165 = a_twinfo; return;
-        //case 166: Info_166 = a_twinfo; return;
-        //case 167: Info_167 = a_twinfo; return;
-        //case 168: Info_168 = a_twinfo; return;
-        //case 169: Info_169 = a_twinfo; return;
-        //case 170: Info_170 = a_twinfo; return;
-        //case 171: Info_171 = a_twinfo; return;
-        //case 172: Info_172 = a_twinfo; return;
-        //case 173: Info_173 = a_twinfo; return;
-        //case 174: Info_174 = a_twinfo; return;
-        //case 175: Info_175 = a_twinfo; return;
-        //case 176: Info_176 = a_twinfo; return;
-        //case 177: Info_177 = a_twinfo; return;
-        //case 178: Info_178 = a_twinfo; return;
-        //case 179: Info_179 = a_twinfo; return;
-        //case 180: Info_180 = a_twinfo; return;
-        //case 181: Info_181 = a_twinfo; return;
-        //case 182: Info_182 = a_twinfo; return;
-        //case 183: Info_183 = a_twinfo; return;
-        //case 184: Info_184 = a_twinfo; return;
-        //case 185: Info_185 = a_twinfo; return;
-        //case 186: Info_186 = a_twinfo; return;
-        //case 187: Info_187 = a_twinfo; return;
-        //case 188: Info_188 = a_twinfo; return;
-        //case 189: Info_189 = a_twinfo; return;
-        //case 190: Info_190 = a_twinfo; return;
-        //case 191: Info_191 = a_twinfo; return;
-        //case 192: Info_192 = a_twinfo; return;
-        //case 193: Info_193 = a_twinfo; return;
-        //case 194: Info_194 = a_twinfo; return;
-        //case 195: Info_195 = a_twinfo; return;
-        //case 196: Info_196 = a_twinfo; return;
-        //case 197: Info_197 = a_twinfo; return;
-        //case 198: Info_198 = a_twinfo; return;
-        //case 199: Info_199 = a_twinfo; return;
-      }
-    }
-  }
-
-  /// <summary>
-  /// Provides information about the currently selected device.
-  /// TBD -- need a 32/64 bit solution for this mess
-  /// </summary>
-  [SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", MessageId = "ModifiedTimeDate")]
-  [SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", MessageId = "CreateTimeDate")]
-  [StructLayout(LayoutKind.Explicit, Pack = 2)]
-  public struct TW_FILESYSTEM
-  {
-    [FieldOffset(0)]
-    public TW_STR255 InputName;
-
-    [FieldOffset(256)]
-    public TW_STR255 OutputName;
-
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    [FieldOffset(512)]
-    public IntPtr Context;
-
-    [FieldOffset(520)]
-    public Int32 Recursive;
-    [FieldOffset(520)]
-    public UInt16 Subdirectories;
-
-    [FieldOffset(524)]
-    public Int32 FileType;
-    [FieldOffset(524)]
-    public UInt32 FileSystemType;
-
-    [FieldOffset(528)]
-    public UInt32 Size;
-
-    [FieldOffset(532)]
-    public TW_STR32 CreateTimeDate;
-
-    [FieldOffset(566)]
-    public TW_STR32 ModifiedTimeDate;
-
-    [FieldOffset(600)]
-    public UInt32 FreeSpace;
-
-    [FieldOffset(604)]
-    public UInt32 NewImageSize;
-
-    [FieldOffset(608)]
-    public UInt32 NumberOfFiles;
-
-    [FieldOffset(612)]
-    public UInt32 NumberOfSnippets;
-
-    [FieldOffset(616)]
-    public UInt32 DeviceGroupMask;
-
-    [FieldOffset(620)]
-    public byte Reserved;
-
-    [FieldOffset(1127)] // 620 + 508 - 1
-    private byte ReservedEnd;
-  }
-  [SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", MessageId = "ModifiedTimeDate")]
-  [StructLayout(LayoutKind.Explicit, Pack = 2)]
-  public struct TW_FILESYSTEM_LEGACY
-  {
-    [FieldOffset(0)]
-    public TW_STR255 InputName;
-
-    [FieldOffset(256)]
-    public TW_STR255 OutputName;
-
-    [FieldOffset(512)]
-    public UInt32 Context;
-
-    [FieldOffset(516)]
-    public Int32 Recursive;
-    [FieldOffset(516)]
-    public UInt16 Subdirectories;
-
-    [FieldOffset(520)]
-    public Int32 FileType;
-    [FieldOffset(520)]
-    public UInt32 FileSystemType;
-
-    [FieldOffset(524)]
-    public UInt32 Size;
-
-    [FieldOffset(528)]
-    public TW_STR32 CreateTimeDate;
-
-    [FieldOffset(562)]
-    public TW_STR32 ModifiedTimeDate;
-
-    [FieldOffset(596)]
-    public UInt32 FreeSpace;
-
-    [FieldOffset(600)]
-    public UInt32 NewImageSize;
-
-    [FieldOffset(604)]
-    public UInt32 NumberOfFiles;
-
-    [FieldOffset(608)]
-    public UInt32 NumberOfSnippets;
-
-    [FieldOffset(612)]
-    public UInt32 DeviceGroupMask;
-
-    [FieldOffset(616)]
-    public byte Reserved;
-
-    [FieldOffset(1123)] // 616 + 508 - 1
-    private byte ReservedEnd;
-  }
-
-  /// <summary>
-  /// This structure is used by the application to specify a set of mapping values to be applied to grayscale data.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_GRAYRESPONSE
-  {
-    public TW_ELEMENT8 Response_00;
-  }
-
-  /// <summary>
-  /// A general way to describe the version of software that is running.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public partial struct TW_VERSION
-  {
-    public ushort MajorNum;
-    public ushort MinorNum;
-    public TWLG Language;
-    public TWCY Country;
-    public TW_STR32 Info;
-  }
-
-  /// <summary>
-  /// Provides identification information about a TWAIN entity.
-  /// The use of Padding is there to allow us to use the structure
-  /// with Linux 64-bit systems where the TW_INT32 and TW_UINT32
-  /// types were long, and therefore 64-bits in size.  This should
-  /// have no impact with well-behaved systems that have these types
-  /// as 32-bit, but should prevent memory corruption in all other
-  /// situations...
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public partial struct TW_IDENTITY
-  {
-    public ulong Id;
-    public TW_VERSION Version;
-    public ushort ProtocolMajor;
-    public ushort ProtocolMinor;
-    public uint SupportedGroups;
-    public TW_STR32 Manufacturer;
-    public TW_STR32 ProductFamily;
-    public TW_STR32 ProductName;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public partial struct TW_IDENTITY_LEGACY
-  {
-    public uint Id;
-    public TW_VERSION Version;
-    public ushort ProtocolMajor;
-    public ushort ProtocolMinor;
-    public uint SupportedGroups;
-    public TW_STR32 Manufacturer;
-    public TW_STR32 ProductFamily;
-    public TW_STR32 ProductName;
-    private UInt64 Padding; // accounts for Id and SupportedGroups
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public struct TW_IDENTITY_LINUX64
-  {
-    public ulong Id;
-    public TW_VERSION Version;
-    public ushort ProtocolMajor;
-    public ushort ProtocolMinor;
-    public ulong SupportedGroups;
-    public TW_STR32 Manufacturer;
-    public TW_STR32 ProductFamily;
-    public TW_STR32 ProductName;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public partial struct TW_IDENTITY_MACOSX
-  {
-    public uint Id;
-    public TW_VERSION Version;
-    public ushort ProtocolMajor;
-    public ushort ProtocolMinor;
-    private ushort padding;
-    public uint SupportedGroups;
-    public TW_STR32 Manufacturer;
-    public TW_STR32 ProductFamily;
-    public TW_STR32 ProductName;
-  }
-
-  /// <summary>
-  /// Describes the “real” image data, that is, the complete image being transferred between the Source and application.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_IMAGEINFO
-  {
-    public TW_FIX32 XResolution;
-    public TW_FIX32 YResolution;
-    public int ImageWidth;
-    public int ImageLength;
-    public short SamplesPerPixel;
-    public short BitsPerSample_0;
-    public short BitsPerSample_1;
-    public short BitsPerSample_2;
-    public short BitsPerSample_3;
-    public short BitsPerSample_4;
-    public short BitsPerSample_5;
-    public short BitsPerSample_6;
-    public short BitsPerSample_7;
-    public short BitsPerPixel;
-    public TW_BOOL Planar;
-    public TWPT PixelType;
-    public TWCP Compression;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_IMAGEINFO_LINUX64
-  {
-    public TW_FIX32 XResolution;
-    public TW_FIX32 YResolution;
-    public int ImageWidth;
-    public int ImageLength;
-    public short SamplesPerPixel;
-    public short BitsPerSample_0;
-    public short BitsPerSample_1;
-    public short BitsPerSample_2;
-    public short BitsPerSample_3;
-    public short BitsPerSample_4;
-    public short BitsPerSample_5;
-    public short BitsPerSample_6;
-    public short BitsPerSample_7;
-    public short BitsPerPixel;
-    public TW_BOOL Planar;
-    public TWPT PixelType;
-    public TWCP Compression;
-  }
-
-  /// <summary>
-  /// Involves information about the original size of the acquired image.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_IMAGELAYOUT
-  {
-    public TW_FRAME Frame;
-    public uint DocumentNumber;
-    public uint PageNumber;
-    public uint FrameNumber;
-  }
-
-  /// <summary>
-  /// Provides information for managing memory buffers.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_MEMORY
-  {
-    public uint Flags;
-    public uint Length;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr TheMem;
-  }
-
-  /// <summary>
-  /// Describes the form of the acquired data being passed from the Source to the application.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_IMAGEMEMXFER
-  {
-    public ushort Compression;
-    public uint BytesPerRow;
-    public uint Columns;
-    public uint Rows;
-    public uint XOffset;
-    public uint YOffset;
-    public uint BytesWritten;
-    public TW_MEMORY Memory;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_IMAGEMEMXFER_LINUX64
-  {
-    public ushort Compression;
-    public UInt64 BytesPerRow;
-    public UInt64 Columns;
-    public UInt64 Rows;
-    public UInt64 XOffset;
-    public UInt64 YOffset;
-    public UInt64 BytesWritten;
-    public UInt64 MemoryFlags;
-    public UInt64 MemoryLength;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr MemoryTheMem;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_IMAGEMEMXFER_MACOSX
-  {
-    public uint Compression;
-    public uint BytesPerRow;
-    public uint Columns;
-    public uint Rows;
-    public uint XOffset;
-    public uint YOffset;
-    public uint BytesWritten;
-    public TW_MEMORY Memory;
-  }
-
-  /// <summary>
-  /// Describes the information necessary to transfer a JPEG-compressed image.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_JPEGCOMPRESSION
-  {
-    public ushort ColorSpace;
-    public uint SubSampling;
-    public ushort NumComponents;
-    public ushort QuantMap_0;
-    public ushort QuantMap_1;
-    public ushort QuantMap_2;
-    public ushort QuantMap_3;
-    public TW_MEMORY QuantTable_0;
-    public TW_MEMORY QuantTable_1;
-    public TW_MEMORY QuantTable_2;
-    public TW_MEMORY QuantTable_3;
-    public ushort HuffmanMap_0;
-    public ushort HuffmanMap_1;
-    public ushort HuffmanMap_2;
-    public ushort HuffmanMap_3;
-    public TW_MEMORY HuffmanDC_0;
-    public TW_MEMORY HuffmanDC_1;
-    public TW_MEMORY HuffmanAC_0;
-    public TW_MEMORY HuffmanAC_2;
-  }
-
-  /// <summary>
-  /// Collects scanning metrics after returning to state 4
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_METRICS
-  {
-    public uint SizeOf;
-    public uint ImageCount;
-    public uint SheetCount;
-  }
-
-  /// <summary>
-  /// Stores a single value (item) which describes a capability.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_ONEVALUE
-  {
-    public TWTY ItemType;
-    // public uint Item;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 4)]
-  public struct TW_ONEVALUE_MACOSX
-  {
-    public uint ItemType;
-    // public uint Item;
-  }
-
-  /// <summary>
-  /// This structure holds the color palette information.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_PALETTE8
-  {
-    public ushort Flags;
-    public ushort Length;
-    public TW_ELEMENT8 Colors_000;
-  }
-
-  /// <summary>
-  /// Used to bypass the TWAIN protocol when communicating with a device.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_PASSTHRU
-  {
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr pCommand;
-    public uint CommandBytes;
-    public int Direction;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr pData;
-    public uint DataBytes;
-    public uint DataBytesXfered;
-  }
-
-  /// <summary>
-  /// This structure tells the application how many more complete transfers the Source currently has available.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_PENDINGXFERS
-  {
-    public short Count;
-    public uint EOJ;
-  }
-
-  /// <summary>
-  /// Stores a range of individual values describing a capability.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_RANGE
-  {
-    public TWTY ItemType;
-    public uint MinValue;
-    public uint MaxValue;
-    public uint StepSize;
-    public uint DefaultValue;
-    public uint CurrentValue;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_RANGE_LINUX64
-  {
-    public TWTY ItemType;
-    public ulong MinValue;
-    public ulong MaxValue;
-    public ulong StepSize;
-    public ulong DefaultValue;
-    public ulong CurrentValue;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 4)]
-  public struct TW_RANGE_MACOSX
-  {
-    public uint ItemType;
-    public uint MinValue;
-    public uint MaxValue;
-    public uint StepSize;
-    public uint DefaultValue;
-    public uint CurrentValue;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_RANGE_FIX32
-  {
-    public TWTY ItemType;
-    public TW_FIX32 MinValue;
-    public TW_FIX32 MaxValue;
-    public TW_FIX32 StepSize;
-    public TW_FIX32 DefaultValue;
-    public TW_FIX32 CurrentValue;
-  }
-  [StructLayout(LayoutKind.Sequential, Pack = 4)]
-  public struct TW_RANGE_FIX32_MACOSX
-  {
-    public uint ItemType;
-    public TW_FIX32 MinValue;
-    public TW_FIX32 MaxValue;
-    public TW_FIX32 StepSize;
-    public TW_FIX32 DefaultValue;
-    public TW_FIX32 CurrentValue;
-  }
-
-  /// <summary>
-  /// This structure is used by the application to specify a set of mapping values to be applied to RGB color data.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_RGBRESPONSE
-  {
-    public TW_ELEMENT8 Response_00;
-  }
-
-  /// <summary>
-  /// Describes the file format and file specification information for a transfer through a disk file.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public struct TW_SETUPFILEXFER
-  {
-    public TW_STR255 FileName;
-    public TWFF Format;
-    public short VRefNum;
-  }
-
-  /// <summary>
-  /// Provides the application information about the Source’s requirements and preferences regarding allocation of transfer buffer(s).
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_SETUPMEMXFER
-  {
-    public uint MinBufSize;
-    public uint MaxBufSize;
-    public uint Preferred;
-  }
-
-  /// <summary>
-  /// Describes the status of a source.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_STATUS
-  {
-    public TWCC ConditionCode;
-    public ushort Data;
-  }
-
-  /// <summary>
-  /// Translates the contents of Status into a localized UTF8string.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2)]
-  public partial struct TW_STATUSUTF8
-  {
-    public TW_STATUS Status;
-    public uint Size;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr UTF8string;
-  }
-
-  /// <summary>
-  /// Passthru for TWAIN Direct tasks.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public struct TW_TWAINDIRECT
-  {
-    public uint SizeOf;
-    public ushort CommunicationManager;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr Send;
-    public uint SendSize;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr Receive;
-    public uint ReceiveSize;
-  }
-
-  /// <summary>
-  /// This structure is used to handle the user interface coordination between an application and a Source.
-  /// </summary>
-  [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
-  public struct TW_USERINTERFACE
-  {
-    public ushort ShowUI;
-    public ushort ModalUI;
-    [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
-    public IntPtr hParent;
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Generic Constants...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Generic Constants...
-
-  /// <summary>
-  /// Container Types...
-  /// </summary>
-  public enum TWON : ushort
-  {
-    ARRAY = 3,
-    ENUMERATION = 4,
-    ONEVALUE = 5,
-    RANGE = 6,
-
-    ICONID = 962,
-    DSMID = 461,
-    DSMCODEID = 63
-  }
-
-  ///// <summary>
-  ///// Don't care values...
-  ///// </summary>
-  //public const byte TWON_DONTCARE8 = 0xff;
-  //public const ushort TWON_DONTCARE16 = 0xff;
-  //public const uint TWON_DONTCARE32 = 0xffffffff;
-
-  /// <summary>
-  /// Flags used in TW_MEMORY structure.
-  /// </summary>
-  [Flags]
-  public enum TWMF : ushort
-  {
-    APPOWNS = 0x0001,
-    DSMOWNS = 0x0002,
-    DSOWNS = 0x0004,
-    POINTER = 0x0008,
-    HANDLE = 0x0010
-  }
-
-  /// <summary>
-  /// Type values...
-  /// </summary>
-  public enum TWTY : ushort
-  {
-    Invalid = 0xffff,
-
-    INT8 = 0x0000,
-    INT16 = 0x0001,
-    INT32 = 0x0002,
-
-    UINT8 = 0x0003,
-    UINT16 = 0x0004,
-    UINT32 = 0x0005,
-
-    BOOL = 0x0006,
-
-    FIX32 = 0x0007,
-
-    FRAME = 0x0008,
-
-    STR32 = 0x0009,
-    STR64 = 0x000a,
-    STR128 = 0x000b,
-    STR255 = 0x000c,
-    HANDLE = 0x000f
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Capability Constants...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Capability Constants...
-
-  /// <summary>
-  /// CAP_ALARMS values
-  /// </summary>
-  public enum TWAL : ushort
-  {
-    ALARM = 0,
-    FEEDERERROR = 1,
-    FEEDERWARNING = 2,
-    BARCODE = 3,
-    DOUBLEFEED = 4,
-    JAM = 5,
-    PATCHCODE = 6,
-    POWER = 7,
-    SKEW = 8
-  }
-
-  /// <summary>
-  /// ICAP_AUTOSIZE values
-  /// </summary>
-  public enum TWAS : ushort
-  {
-    NONE = 0,
-    AUTO = 1,
-    CURRENT = 2
-  }
-
-  /// <summary>
-  /// TWEI_BARCODEROTATION values
-  /// </summary>
-  public enum TWBCOR : ushort
-  {
-    ROT0 = 0,
-    ROT90 = 1,
-    ROT180 = 2,
-    ROT270 = 3,
-    ROTX = 4
-  }
-
-  /// <summary>
-  /// ICAP_BARCODESEARCHMODE values
-  /// </summary>
-  public enum TWBD : ushort
-  {
-    HORZ = 0,
-    VERT = 1,
-    HORZVERT = 2,
-    VERTHORZ = 3
-  }
-
-  /// <summary>
-  /// ICAP_BITORDER values
-  /// </summary>
-  public enum TWBO : ushort
-  {
-    LSBFIRST = 0,
-    MSBFIRST = 1
-  }
-
-  /// <summary>
-  /// ICAP_AUTODISCARDBLANKPAGES values
-  /// </summary>
-  public enum TWBP : short
-  {
-    DISABLE = -2,
-    AUTO = -1
-  }
-
-  /// <summary>
-  /// ICAP_BITDEPTHREDUCTION values
-  /// </summary>
-  public enum TWBR : ushort
-  {
-    THRESHOLD = 0,
-    HALFTONE = 1,
-    CUSTHALFTONE = 2,
-    DIFFUSION = 3,
-    DYNAMICTHRESHOLD = 4
-  }
-
-  /// <summary>
-  /// ICAP_SUPPORTEDBARCODETYPES and TWEI_BARCODETYPE values
-  /// </summary>
-  public enum TWBT : ushort
-  {
-    X3OF9 = 0, // 3OF9 in H
-    X2OF5INTERLEAVED = 1, // 2OF5INTERLEAVED in H
-    X2OF5NONINTERLEAVED = 2, // 2OF5NONINTERLEAVED in H
-    CODE93 = 3,
-    CODE128 = 4,
-    UCC128 = 5,
-    CODABAR = 6,
-    UPCA = 7,
-    UPCE = 8,
-    EAN8 = 9,
-    EAN13 = 10,
-    POSTNET = 11,
-    PDF417 = 12,
-    X2OF5INDUSTRIAL = 13, // 2OF5INDUSTRIAL in H
-    X2OF5MATRIX = 14, // 2OF5MATRIX in H
-    X2OF5DATALOGIC = 15, // 2OF5DATALOGIC in H
-    X2OF5IATA = 16, // 2OF5IATA in H
-    X3OF9FULLASCII = 17, // 3OF9FULLASCII in H
-    CODABARWITHSTARTSTOP = 18,
-    MAXICODE = 19,
-    QRCODE = 20
-  }
-
-  /// <summary>
-  /// ICAP_COMPRESSION values
-  /// </summary>
-  public enum TWCP : ushort
-  {
-    NONE = 0,
-    PACKBITS = 1,
-    GROUP31D = 2,
-    GROUP31DEOL = 3,
-    GROUP32D = 4,
-    GROUP4 = 5,
-    JPEG = 6,
-    LZW = 7,
-    JBIG = 8,
-    PNG = 9,
-    RLE4 = 10,
-    RLE8 = 11,
-    BITFIELDS = 12,
-    ZIP = 13,
-    JPEG2000 = 14
-  }
-
-  /// <summary>
-  /// CAP_CAMERASIDE and TWEI_PAGESIDE values
-  /// </summary>
-  public enum TWCS : ushort
-  {
-    BOTH = 0,
-    TOP = 1,
-    BOTTOM = 2
-  }
-
-  /// <summary>
-  /// CAP_CLEARBUFFERS values
-  /// </summary>
-  public enum TWCB : ushort
-  {
-    AUTO = 0,
-    CLEAR = 1,
-    NOCLEAR = 2
-  }
-
-  /// <summary>
-  /// CAP_DEVICEEVENT values
-  /// </summary>
-  public enum TWDE : ushort
-  {
-    CUSTOMEVENTS = 0x8000,
-    CHECKAUTOMATICCAPTURE = 0,
-    CHECKBATTERY = 1,
-    CHECKDEVICEONLINE = 2,
-    CHECKFLASH = 3,
-    CHECKPOWERSUPPLY = 4,
-    CHECKRESOLUTION = 5,
-    DEVICEADDED = 6,
-    DEVICEOFFLINE = 7,
-    DEVICEREADY = 8,
-    DEVICEREMOVED = 9,
-    IMAGECAPTURED = 10,
-    IMAGEDELETED = 11,
-    PAPERDOUBLEFEED = 12,
-    PAPERJAM = 13,
-    LAMPFAILURE = 14,
-    POWERSAVE = 15,
-    POWERSAVENOTIFY = 16
-  }
-
-  /// <summary>
-  /// TW_PASSTHRU.Direction values
-  /// </summary>
-  public enum TWDR : ushort
-  {
-    GET = 1,
-    SET = 2
-  }
-
-  /// <summary>
-  /// TWEI_DESKEWSTATUS values
-  /// </summary>
-  public enum TWDSK : ushort
-  {
-    SUCCESS = 0,
-    REPORTONLY = 1,
-    FAIL = 2,
-    DISABLED = 3
-  }
-
-  /// <summary>
-  /// CAP_DUPLEX values
-  /// </summary>
-  public enum TWDX : ushort
-  {
-    NONE = 0,
-    X1PASSDUPLEX = 1, // 1PASSDUPLEX in H
-    X2PASSDUPLEX = 2  // 2PASSDUPLEX in H
-  }
-
-  /// <summary>
-  /// CAP_FEEDERALIGNMENT values
-  /// </summary>
-  public enum TWFA : ushort
-  {
-    NONE = 0,
-    LEFT = 1,
-    CENTER = 2,
-    RIGHT = 3
-  }
-
-  /// <summary>
-  /// ICAP_FEEDERTYPE values
-  /// </summary>
-  public enum TWFE : ushort
-  {
-    GENERAL = 0,
-    PHOTO = 1
-  }
-
-  /// <summary>
-  /// ICAP_IMAGEFILEFORMAT values
-  /// </summary>
-  public enum TWFF : ushort
-  {
-    TIFF = 0,
-    PICT = 1,
-    BMP = 2,
-    XBM = 3,
-    JFIF = 4,
-    FPX = 5,
-    TIFFMULTI = 6,
-    PNG = 7,
-    SPIFF = 8,
-    EXIF = 9,
-    PDF = 10,
-    JP2 = 11,
-    JPX = 13,
-    DEJAVU = 14,
-    PDFA = 15,
-    PDFA2 = 16,
-    PDFRASTER = 17
-  }
-
-  /// <summary>
-  /// ICAP_FLASHUSED2 values
-  /// </summary>
-  public enum TWFL : ushort
-  {
-    NONE = 0,
-    OFF = 1,
-    ON = 2,
-    AUTO = 3,
-    REDEYE = 4
-  }
-
-  /// <summary>
-  /// CAP_FEEDERORDER values
-  /// </summary>
-  public enum TWFO : ushort
-  {
-    FIRSTPAGEFIRST = 0,
-    LASTPAGEFIRST = 1
-  }
-
-  /// <summary>
-  /// CAP_FEEDERPOCKET values
-  /// </summary>
-  public enum TWFP : ushort
-  {
-    POCKETERROR = 0,
-    POCKET1 = 1,
-    POCKET2 = 2,
-    POCKET3 = 3,
-    POCKET4 = 4,
-    POCKET5 = 5,
-    POCKET6 = 6,
-    POCKET7 = 7,
-    POCKET8 = 8,
-    POCKET9 = 9,
-    POCKET10 = 10,
-    POCKET11 = 11,
-    POCKET12 = 12,
-    POCKET13 = 13,
-    POCKET14 = 14,
-    POCKET15 = 15,
-    POCKET16 = 16
-  }
-
-  /// <summary>
-  /// ICAP_FLIPROTATION values
-  /// </summary>
-  public enum TWFR : ushort
-  {
-    BOOK = 0,
-    FANFOLD = 1
-  }
-
-  /// <summary>
-  /// ICAP_FILTER values
-  /// </summary>
-  public enum TWFT : ushort
-  {
-    RED = 0,
-    GREEN = 1,
-    BLUE = 2,
-    NONE = 3,
-    WHITE = 4,
-    CYAN = 5,
-    MAGENTA = 6,
-    YELLOW = 7,
-    BLACK = 8
-  }
-
-  /// <summary>
-  /// TW_FILESYSTEM.FileType values
-  /// </summary>
-  public enum TWFY : ushort
-  {
-    CAMERA = 0,
-    CAMERATOP = 1,
-    CAMERABOTTOM = 2,
-    CAMERAPREVIEW = 3,
-    DOMAIN = 4,
-    HOST = 5,
-    DIRECTORY = 6,
-    IMAGE = 7,
-    UNKNOWN = 8
-  }
-
-  ///
-  /// CAP_IAFIELD*_LEVEL values
-  ///
-  public enum TWIA : ushort
-  {
-    UNUSED = 0,
-    FIXED = 1,
-    LEVEL1 = 2,
-    LEVEL2 = 3,
-    LEVEL3 = 4,
-    LEVEL4 = 5
-  }
-
-  /// <summary>
-  /// ICAP_ICCPROFILE values
-  /// </summary>
-  public enum TWIC : ushort
-  {
-    NONE = 0,
-    LINK = 1,
-    EMBED = 2
-  }
-
-  /// <summary>
-  /// ICAP_IMAGEFILTER values
-  /// </summary>
-  public enum TWIF : ushort
-  {
-    NONE = 0,
-    AUTO = 1,
-    LOWPASS = 2,
-    BANDPASS = 3,
-    HIGHPASS = 4,
-    TEXT = BANDPASS,
-    FINELINE = HIGHPASS
-  }
-
-  /// <summary>
-  /// ICAP_IMAGEMERGE values
-  /// </summary>
-  public enum TWIM : ushort
-  {
-    NONE = 0,
-    FRONTONTOP = 1,
-    FRONTONBOTTOM = 2,
-    FRONTONLEFT = 3,
-    FRONTONRIGHT = 4
-  }
-
-  /// <summary>
-  /// CAP_JOBCONTROL values
-  /// </summary>
-  public enum TWJC : ushort
-  {
-    NONE = 0,
-    JSIC = 1,
-    JSIS = 2,
-    JSXC = 3,
-    JSXS = 4
-  }
-
-  /// <summary>
-  /// ICAP_JPEGQUALITY values
-  /// </summary>
-  public enum TWJQ : short
-  {
-    UNKNOWN = -4,
-    LOW = -3,
-    MEDIUM = -2,
-    HIGH = -1
-  }
-
-  /// <summary>
-  /// ICAP_LIGHTPATH values
-  /// </summary>
-  public enum TWLP : ushort
-  {
-    REFLECTIVE = 0,
-    TRANSMISSIVE = 1
-  }
-
-  /// <summary>
-  /// ICAP_LIGHTSOURCE values
-  /// </summary>
-  public enum TWLS : ushort
-  {
-    RED = 0,
-    GREEN = 1,
-    BLUE = 2,
-    NONE = 3,
-    WHITE = 4,
-    UV = 5,
-    IR = 6
-  }
-
-  /// <summary>
-  /// TWEI_MAGTYPE values
-  /// </summary>
-  public enum TWMD : ushort
-  {
-    MICR = 0,
-    RAW = 1,
-    INVALID = 2
-  }
-
-  /// <summary>
-  /// ICAP_NOISEFILTER values
-  /// </summary>
-  public enum TWNF : ushort
-  {
-    NONE = 0,
-    AUTO = 1,
-    LONEPIXEL = 2,
-    MAJORITYRULE = 3
-  }
-
-  /// <summary>
-  /// ICAP_ORIENTATION values
-  /// </summary>
-  public enum TWOR : ushort
-  {
-    ROT0 = 0,
-    ROT90 = 1,
-    ROT180 = 2,
-    ROT270 = 3,
-    PORTRAIT = ROT0,
-    LANDSCAPE = ROT270,
-    AUTO = 4,
-    AUTOTEXT = 5,
-    AUTOPICTURE = 6
-  }
-
-  /// <summary>
-  /// ICAP_OVERSCAN values
-  /// </summary>
-  public enum TWOV : ushort
-  {
-    NONE = 0,
-    AUTO = 1,
-    TOPBOTTOM = 2,
-    LEFTRIGHT = 3,
-    ALL = 4
-  }
-
-  /// <summary>
-  /// Palette types for TW_PALETTE8
-  /// </summary>
-  public enum TWPA : ushort
-  {
-    RGB = 0,
-    GRAY = 1,
-    CMY = 2
-  }
-
-  /// <summary>
-  /// ICAP_PLANARCHUNKY values
-  /// </summary>
-  public enum TWPC : ushort
-  {
-    CHUNKY = 0,
-    PLANAR = 1
-  }
-
-  /// <summary>
-  /// TWEI_PATCHCODE values
-  /// </summary>
-  public enum TWPCH : ushort
-  {
-    PATCH1 = 0,
-    PATCH2 = 1,
-    PATCH3 = 2,
-    PATCH4 = 3,
-    PATCH6 = 4,
-    PATCHT = 5
-  }
-
-  /// <summary>
-  /// ICAP_PIXELFLAVOR values
-  /// </summary>
-  public enum TWPF : ushort
-  {
-    CHOCOLATE = 0,
-    VANILLA = 1
-  }
-
-  /// <summary>
-  /// CAP_PRINTERMODE values
-  /// </summary>
-  public enum TWPM : ushort
-  {
-    SINGLESTRING = 0,
-    MULTISTRING = 1,
-    COMPOUNDSTRING = 2,
-    IMAGEADDRESSSTRING = 3
-  }
-
-  /// <summary>
-  /// CAP_PRINTER values
-  /// </summary>
-  public enum TWPR : ushort
-  {
-    IMPRINTERTOPBEFORE = 0,
-    IMPRINTERTOPAFTER = 1,
-    IMPRINTERBOTTOMBEFORE = 2,
-    IMPRINTERBOTTOMAFTER = 3,
-    ENDORSERTOPBEFORE = 4,
-    ENDORSERTOPAFTER = 5,
-    ENDORSERBOTTOMBEFORE = 6,
-    ENDORSERBOTTOMAFTER = 7
-  }
-
-  /// <summary>
-  /// CAP_PRINTERFONTSTYLE Added 2.3 (TWPF in H)
-  /// </summary>
-  public enum TWPFS : ushort
-  {
-    NORMAL = 0,
-    BOLD = 1,
-    ITALIC = 2,
-    LARGESIZE = 3,
-    SMALLSIZE = 4
-  }
-
-  /// <summary>
-  /// CAP_PRINTERINDEXTRIGGER Added 2.3
-  /// </summary>
-  public enum TWCT : ushort
-  {
-    PAGE = 0,
-    PATCH1 = 1,
-    PATCH2 = 2,
-    PATCH3 = 3,
-    PATCH4 = 4,
-    PATCHT = 5,
-    PATCH6 = 6
-  }
-
-  /// <summary>
-  /// CAP_POWERSUPPLY values
-  /// </summary>
-  public enum TWPS : ushort
-  {
-    EXTERNAL = 0,
-    BATTERY = 1
-  }
-
-  /// <summary>
-  /// ICAP_PIXELTYPE values (PT_ means Pixel Type)
-  /// </summary>
-  public enum TWPT : ushort
-  {
-    BW = 0,
-    GRAY = 1,
-    RGB = 2,
-    PALETTE = 3,
-    CMY = 4,
-    CMYK = 5,
-    YUV = 6,
-    YUVK = 7,
-    CIEXYZ = 8,
-    LAB = 9,
-    SRGB = 10,
-    SCRGB = 11,
-    INFRARED = 16
-  }
-
-  /// <summary>
-  /// CAP_SEGMENTED values
-  /// </summary>
-  public enum TWSG : ushort
-  {
-    NONE = 0,
-    AUTO = 1,
-    MANUAL = 2
-  }
-
-  /// <summary>
-  /// ICAP_FILMTYPE values
-  /// </summary>
-  public enum TWFM : ushort
-  {
-    POSITIVE = 0,
-    NEGATIVE = 1
-  }
-
-  /// <summary>
-  /// CAP_DOUBLEFEEDDETECTION values
-  /// </summary>
-  public enum TWDF : ushort
-  {
-    ULTRASONIC = 0,
-    BYLENGTH = 1,
-    INFRARED = 2
-  }
-
-  /// <summary>
-  /// CAP_DOUBLEFEEDDETECTIONSENSITIVITY values
-  /// </summary>
-  public enum TWUS : ushort
-  {
-    LOW = 0,
-    MEDIUM = 1,
-    HIGH = 2
-  }
-
-  /// <summary>
-  /// CAP_DOUBLEFEEDDETECTIONRESPONSE values
-  /// </summary>
-  public enum TWDP : ushort
-  {
-    STOP = 0,
-    STOPANDWAIT = 1,
-    SOUND = 2,
-    DONOTIMPRINT = 3
-  }
-
-  /// <summary>
-  /// ICAP_MIRROR values
-  /// </summary>
-  public enum TWMR : ushort
-  {
-    NONE = 0,
-    VERTICAL = 1,
-    HORIZONTAL = 2
-  }
-
-  /// <summary>
-  /// ICAP_JPEGSUBSAMPLING values
-  /// </summary>
-  public enum TWJS : ushort
-  {
-    X444YCBCR = 0, // 444YCBCR in H
-    X444RGB = 1, // 444RGB in H
-    X422 = 2, // 422 in H
-    X421 = 3, // 421 in H
-    X411 = 4, // 411 in H
-    X420 = 5, // 420 in H
-    X410 = 6, // 410 in H
-    X311 = 7  // 311 in H
-  }
-
-  /// <summary>
-  /// CAP_PAPERHANDLING values
-  /// </summary>
-  public enum TWPH : ushort
-  {
-    NORMAL = 0,
-    FRAGILE = 1,
-    THICK = 2,
-    TRIFOLD = 3,
-    PHOTOGRAPH = 4
-  }
-
-  /// <summary>
-  /// CAP_INDICATORSMODE values
-  /// </summary>
-  public enum TWCI : ushort
-  {
-    INFO = 0,
-    WARNING = 1,
-    ERROR = 2,
-    WARMUP = 3
-  }
-
-  /// <summary>
-  /// ICAP_SUPPORTEDSIZES values (SS_ means Supported Sizes)
-  /// </summary>
-  public enum TWSS : ushort
-  {
-    NONE = 0,
-    A4 = 1,
-    JISB5 = 2,
-    USLETTER = 3,
-    USLEGAL = 4,
-    A5 = 5,
-    ISOB4 = 6,
-    ISOB6 = 7,
-    USLEDGER = 9,
-    USEXECUTIVE = 10,
-    A3 = 11,
-    ISOB3 = 12,
-    A6 = 13,
-    C4 = 14,
-    C5 = 15,
-    C6 = 16,
-    X4A0 = 17, // 4A0 in H
-    X2A0 = 18, // 2A0 in H
-    A0 = 19,
-    A1 = 20,
-    A2 = 21,
-    A7 = 22,
-    A8 = 23,
-    A9 = 24,
-    A10 = 25,
-    ISOB0 = 26,
-    ISOB1 = 27,
-    ISOB2 = 28,
-    ISOB5 = 29,
-    ISOB7 = 30,
-    ISOB8 = 31,
-    ISOB9 = 32,
-    ISOB10 = 33,
-    JISB0 = 34,
-    JISB1 = 35,
-    JISB2 = 36,
-    JISB3 = 37,
-    JISB4 = 38,
-    JISB6 = 39,
-    JISB7 = 40,
-    JISB8 = 41,
-    JISB9 = 42,
-    JISB10 = 43,
-    C0 = 44,
-    C1 = 45,
-    C2 = 46,
-    C3 = 47,
-    C7 = 48,
-    C8 = 49,
-    C9 = 50,
-    C10 = 51,
-    USSTATEMENT = 52,
-    BUSINESSCARD = 53,
-    MAXSIZE = 54
-  }
-
-  /// <summary>
-  /// ICAP_XFERMECH values (SX_ means Setup XFer)
-  /// </summary>
-  public enum TWSX : ushort
-  {
-    NATIVE = 0,
-    FILE = 1,
-    MEMORY = 2,
-    MEMFILE = 4
-  }
-
-  /// <summary>
-  /// ICAP_UNITS values (UN_ means UNits)
-  /// </summary>
-  public enum TWUN : ushort
-  {
-    INCHES = 0,
-    CENTIMETERS = 1,
-    PICAS = 2,
-    POINTS = 3,
-    TWIPS = 4,
-    PIXELS = 5,
-    MILLIMETERS = 6
-  }
-
-  /// <summary>
-  /// Country Constants
-  /// </summary>
-  public enum TWCY : ushort
-  {
-    AFGHANISTAN = 1001,
-    ALGERIA = 213,
-    AMERICANSAMOA = 684,
-    ANDORRA = 33,
-    ANGOLA = 1002,
-    ANGUILLA = 8090,
-    ANTIGUA = 8091,
-    ARGENTINA = 54,
-    ARUBA = 297,
-    ASCENSIONI = 247,
-    AUSTRALIA = 61,
-    AUSTRIA = 43,
-    BAHAMAS = 8092,
-    BAHRAIN = 973,
-    BANGLADESH = 880,
-    BARBADOS = 8093,
-    BELGIUM = 32,
-    BELIZE = 501,
-    BENIN = 229,
-    BERMUDA = 8094,
-    BHUTAN = 1003,
-    BOLIVIA = 591,
-    BOTSWANA = 267,
-    BRITAIN = 6,
-    BRITVIRGINIS = 8095,
-    BRAZIL = 55,
-    BRUNEI = 673,
-    BULGARIA = 359,
-    BURKINAFASO = 1004,
-    BURMA = 1005,
-    BURUNDI = 1006,
-    CAMAROON = 237,
-    CANADA = 2,
-    CAPEVERDEIS = 238,
-    CAYMANIS = 8096,
-    CENTRALAFREP = 1007,
-    CHAD = 1008,
-    CHILE = 56,
-    CHINA = 86,
-    CHRISTMASIS = 1009,
-    COCOSIS = 1009,
-    COLOMBIA = 57,
-    COMOROS = 1010,
-    CONGO = 1011,
-    COOKIS = 1012,
-    COSTARICA = 506,
-    CUBA = 5,
-    CYPRUS = 357,
-    CZECHOSLOVAKIA = 42,
-    DENMARK = 45,
-    DJIBOUTI = 1013,
-    DOMINICA = 8097,
-    DOMINCANREP = 8098,
-    EASTERIS = 1014,
-    ECUADOR = 593,
-    EGYPT = 20,
-    ELSALVADOR = 503,
-    EQGUINEA = 1015,
-    ETHIOPIA = 251,
-    FALKLANDIS = 1016,
-    FAEROEIS = 298,
-    FIJIISLANDS = 679,
-    FINLAND = 358,
-    FRANCE = 33,
-    FRANTILLES = 596,
-    FRGUIANA = 594,
-    FRPOLYNEISA = 689,
-    FUTANAIS = 1043,
-    GABON = 241,
-    GAMBIA = 220,
-    GERMANY = 49,
-    GHANA = 233,
-    GIBRALTER = 350,
-    GREECE = 30,
-    GREENLAND = 299,
-    GRENADA = 8099,
-    GRENEDINES = 8015,
-    GUADELOUPE = 590,
-    GUAM = 671,
-    GUANTANAMOBAY = 5399,
-    GUATEMALA = 502,
-    GUINEA = 224,
-    GUINEABISSAU = 1017,
-    GUYANA = 592,
-    HAITI = 509,
-    HONDURAS = 504,
-    HONGKONG = 852,
-    HUNGARY = 36,
-    ICELAND = 354,
-    INDIA = 91,
-    INDONESIA = 62,
-    IRAN = 98,
-    IRAQ = 964,
-    IRELAND = 353,
-    ISRAEL = 972,
-    ITALY = 39,
-    IVORYCOAST = 225,
-    JAMAICA = 8010,
-    JAPAN = 81,
-    JORDAN = 962,
-    KENYA = 254,
-    KIRIBATI = 1018,
-    KOREA = 82,
-    KUWAIT = 965,
-    LAOS = 1019,
-    LEBANON = 1020,
-    LIBERIA = 231,
-    LIBYA = 218,
-    LIECHTENSTEIN = 41,
-    LUXENBOURG = 352,
-    MACAO = 853,
-    MADAGASCAR = 1021,
-    MALAWI = 265,
-    MALAYSIA = 60,
-    MALDIVES = 960,
-    MALI = 1022,
-    MALTA = 356,
-    MARSHALLIS = 692,
-    MAURITANIA = 1023,
-    MAURITIUS = 230,
-    MEXICO = 3,
-    MICRONESIA = 691,
-    MIQUELON = 508,
-    MONACO = 33,
-    MONGOLIA = 1024,
-    MONTSERRAT = 8011,
-    MOROCCO = 212,
-    MOZAMBIQUE = 1025,
-    NAMIBIA = 264,
-    NAURU = 1026,
-    NEPAL = 977,
-    NETHERLANDS = 31,
-    NETHANTILLES = 599,
-    NEVIS = 8012,
-    NEWCALEDONIA = 687,
-    NEWZEALAND = 64,
-    NICARAGUA = 505,
-    NIGER = 227,
-    NIGERIA = 234,
-    NIUE = 1027,
-    NORFOLKI = 1028,
-    NORWAY = 47,
-    OMAN = 968,
-    PAKISTAN = 92,
-    PALAU = 1029,
-    PANAMA = 507,
-    PARAGUAY = 595,
-    PERU = 51,
-    PHILLIPPINES = 63,
-    PITCAIRNIS = 1030,
-    PNEWGUINEA = 675,
-    POLAND = 48,
-    PORTUGAL = 351,
-    QATAR = 974,
-    REUNIONI = 1031,
-    ROMANIA = 40,
-    RWANDA = 250,
-    SAIPAN = 670,
-    SANMARINO = 39,
-    SAOTOME = 1033,
-    SAUDIARABIA = 966,
-    SENEGAL = 221,
-    SEYCHELLESIS = 1034,
-    SIERRALEONE = 1035,
-    SINGAPORE = 65,
-    SOLOMONIS = 1036,
-    SOMALI = 1037,
-    SOUTHAFRICA = 27,
-    SPAIN = 34,
-    SRILANKA = 94,
-    STHELENA = 1032,
-    STKITTS = 8013,
-    STLUCIA = 8014,
-    STPIERRE = 508,
-    STVINCENT = 8015,
-    SUDAN = 1038,
-    SURINAME = 597,
-    SWAZILAND = 268,
-    SWEDEN = 46,
-    SWITZERLAND = 41,
-    SYRIA = 1039,
-    TAIWAN = 886,
-    TANZANIA = 255,
-    THAILAND = 66,
-    TOBAGO = 8016,
-    TOGO = 228,
-    TONGAIS = 676,
-    TRINIDAD = 8016,
-    TUNISIA = 216,
-    TURKEY = 90,
-    TURKSCAICOS = 8017,
-    TUVALU = 1040,
-    UGANDA = 256,
-    USSR = 7,
-    UAEMIRATES = 971,
-    UNITEDKINGDOM = 44,
-    USA = 1,
-    URUGUAY = 598,
-    VANUATU = 1041,
-    VATICANCITY = 39,
-    VENEZUELA = 58,
-    WAKE = 1042,
-    WALLISIS = 1043,
-    WESTERNSAHARA = 1044,
-    WESTERNSAMOA = 1045,
-    YEMEN = 1046,
-    YUGOSLAVIA = 38,
-    ZAIRE = 243,
-    ZAMBIA = 260,
-    ZIMBABWE = 263,
-    ALBANIA = 355,
-    ARMENIA = 374,
-    AZERBAIJAN = 994,
-    BELARUS = 375,
-    BOSNIAHERZGO = 387,
-    CAMBODIA = 855,
-    CROATIA = 385,
-    CZECHREPUBLIC = 420,
-    DIEGOGARCIA = 246,
-    ERITREA = 291,
-    ESTONIA = 372,
-    GEORGIA = 995,
-    LATVIA = 371,
-    LESOTHO = 266,
-    LITHUANIA = 370,
-    MACEDONIA = 389,
-    MAYOTTEIS = 269,
-    MOLDOVA = 373,
-    MYANMAR = 95,
-    NORTHKOREA = 850,
-    PUERTORICO = 787,
-    RUSSIA = 7,
-    SERBIA = 381,
-    SLOVAKIA = 421,
-    SLOVENIA = 386,
-    SOUTHKOREA = 82,
-    UKRAINE = 380,
-    USVIRGINIS = 340,
-    VIETNAM = 84
-  }
-
-  /// <summary>
-  /// Language Constants
-  /// </summary>
-  public enum TWLG : short
-  {
-    USERLOCALE = -1,
-    DAN = 0,
-    DUT = 1,
-    ENG = 2,
-    FCF = 3,
-    FIN = 4,
-    FRN = 5,
-    GER = 6,
-    ICE = 7,
-    ITN = 8,
-    NOR = 9,
-    POR = 10,
-    SPA = 11,
-    SWE = 12,
-    USA = 13,
-    AFRIKAANS = 14,
-    ALBANIA = 15,
-    ARABIC = 16,
-    ARABIC_ALGERIA = 17,
-    ARABIC_BAHRAIN = 18,
-    ARABIC_EGYPT = 19,
-    ARABIC_IRAQ = 20,
-    ARABIC_JORDAN = 21,
-    ARABIC_KUWAIT = 22,
-    ARABIC_LEBANON = 23,
-    ARABIC_LIBYA = 24,
-    ARABIC_MOROCCO = 25,
-    ARABIC_OMAN = 26,
-    ARABIC_QATAR = 27,
-    ARABIC_SAUDIARABIA = 28,
-    ARABIC_SYRIA = 29,
-    ARABIC_TUNISIA = 30,
-    ARABIC_UAE = 31,
-    ARABIC_YEMEN = 32,
-    BASQUE = 33,
-    BYELORUSSIAN = 34,
-    BULGARIAN = 35,
-    CATALAN = 36,
-    CHINESE = 37,
-    CHINESE_HONGKONG = 38,
-    CHINESE_PRC = 39,
-    CHINESE_SINGAPORE = 40,
-    CHINESE_SIMPLIFIED = 41,
-    CHINESE_TAIWAN = 42,
-    CHINESE_TRADITIONAL = 43,
-    CROATIA = 44,
-    CZECH = 45,
-    DANISH = DAN,
-    DUTCH = DUT,
-    DUTCH_BELGIAN = 46,
-    ENGLISH = ENG,
-    ENGLISH_AUSTRALIAN = 47,
-    ENGLISH_CANADIAN = 48,
-    ENGLISH_IRELAND = 49,
-    ENGLISH_NEWZEALAND = 50,
-    ENGLISH_SOUTHAFRICA = 51,
-    ENGLISH_UK = 52,
-    ENGLISH_USA = USA,
-    ESTONIAN = 53,
-    FAEROESE = 54,
-    FARSI = 55,
-    FINNISH = FIN,
-    FRENCH = FRN,
-    FRENCH_BELGIAN = 56,
-    FRENCH_CANADIAN = FCF,
-    FRENCH_LUXEMBOURG = 57,
-    FRENCH_SWISS = 58,
-    GERMAN = GER,
-    GERMAN_AUSTRIAN = 59,
-    GERMAN_LUXEMBOURG = 60,
-    GERMAN_LIECHTENSTEIN = 61,
-    GERMAN_SWISS = 62,
-    GREEK = 63,
-    HEBREW = 64,
-    HUNGARIAN = 65,
-    ICELANDIC = ICE,
-    INDONESIAN = 66,
-    ITALIAN = ITN,
-    ITALIAN_SWISS = 67,
-    JAPANESE = 68,
-    KOREAN = 69,
-    KOREAN_JOHAB = 70,
-    LATVIAN = 71,
-    LITHUANIAN = 72,
-    NORWEGIAN = NOR,
-    NORWEGIAN_BOKMAL = 73,
-    NORWEGIAN_NYNORSK = 74,
-    POLISH = 75,
-    PORTUGUESE = POR,
-    PORTUGUESE_BRAZIL = 76,
-    ROMANIAN = 77,
-    RUSSIAN = 78,
-    SERBIAN_LATIN = 79,
-    SLOVAK = 80,
-    SLOVENIAN = 81,
-    SPANISH = TWLG.SPA,
-    SPANISH_MEXICAN = 82,
-    SPANISH_MODERN = 83,
-    SWEDISH = TWLG.SWE,
-    THAI = 84,
-    TURKISH = 85,
-    UKRANIAN = 86,
-    ASSAMESE = 87,
-    BENGALI = 88,
-    BIHARI = 89,
-    BODO = 90,
-    DOGRI = 91,
-    GUJARATI = 92,
-    HARYANVI = 93,
-    HINDI = 94,
-    KANNADA = 95,
-    KASHMIRI = 96,
-    MALAYALAM = 97,
-    MARATHI = 98,
-    MARWARI = 99,
-    MEGHALAYAN = 100,
-    MIZO = 101,
-    NAGA = 102,
-    ORISSI = 103,
-    PUNJABI = 104,
-    PUSHTU = 105,
-    SERBIAN_CYRILLIC = 106,
-    SIKKIMI = 107,
-    SWEDISH_FINLAND = 108,
-    TAMIL = 109,
-    TELUGU = 110,
-    TRIPURI = 111,
-    URDU = 112,
-    VIETNAMESE = 113
-    //NOTE: when adding to this list, also update Language->Set()
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Data Groups...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Data Groups...
-
-  /// <summary>
-  /// Data Groups...
-  /// </summary>
-  [Flags]
-  public enum DG : uint
-  {
-    CONTROL = 0x1,
-    IMAGE = 0x2,
-    AUDIO = 0x4,
-
-    // More Data Functionality may be added in the future.
-    // These are for items that need to be determined before DS is opened.
-    // NOTE: Supported Functionality constants must be powers of 2 as they are
-    //       used as bitflags when Application asks DSM to present a list of DSs.
-    //       to support backward capability the App and DS will not use the fields
-    DSM2 = 0x10000000,
-    APP2 = 0x20000000,
-    DS2 = 0x40000000,
-    MASK = 0xFFFF
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Data Argument Types...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Data Argument Types...
-
-  /// <summary>
-  /// Data Argument Types...
-  /// </summary>
-  public enum DAT : ushort
-  {
-    // NULL and Custom Base...
-    NULL = 0x0,
-    CUSTOM = 0x8000,
-
-    // Data Argument Types for the DG_CONTROL Data Group.
-    CAPABILITY = 0x1,
-    EVENT = 0x2,
-    IDENTITY = 0x3,
-    PARENT = 0x4,
-    PENDINGXFERS = 0x5,
-    SETUPMEMXFER = 0x6,
-    SETUPFILEXFER = 0x7,
-    STATUS = 0x8,
-    USERINTERFACE = 0x9,
-    XFERGROUP = 0xa,
-    CUSTOMDSDATA = 0xc,
-    DEVICEEVENT = 0xd,
-    FILESYSTEM = 0xe,
-    PASSTHRU = 0xf,
-    CALLBACK = 0x10,
-    STATUSUTF8 = 0x11,
-    CALLBACK2 = 0x12,
-    METRICS = 0x13,
-    TWAINDIRECT = 0x14,
-
-    // Data Argument Types for the DG_IMAGE Data Group.
-    IMAGEINFO = 0x0101,
-    IMAGELAYOUT = 0x0102,
-    IMAGEMEMXFER = 0x0103,
-    IMAGENATIVEXFER = 0x0104,
-    IMAGEFILEXFER = 0x105,
-    CIECOLOR = 0x106,
-    GRAYRESPONSE = 0x107,
-    RGBRESPONSE = 0x108,
-    JPEGCOMPRESSION = 0x109,
-    PALETTE8 = 0x10a,
-    EXTIMAGEINFO = 0x10b,
-    FILTER = 0x10c,
-
-    /* Data Argument Types for the DG_AUDIO Data Group. */
-    AUDIOFILEXFER = 0x201,
-    AUDIOINFO = 0x202,
-    AUDIONATIVEXFER = 0x203,
-
-    /* misplaced */
-    ICCPROFILE = 0x401,
-    IMAGEMEMFILEXFER = 0x402,
-    ENTRYPOINT = 0x403
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Messages...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Messages...
-
-  /// <summary>
-  /// All message constants are unique.
-  /// Messages are grouped according to which DATs they are used with.
-  /// </summary>
-  public enum MSG : ushort
-  {
-    // Only used to clear fields...
-    NULL = 0x0,
-
-    // Generic messages may be used with any of several DATs.
-    GET = 0x1,
-    GETCURRENT = 0x2,
-    GETDEFAULT = 0x3,
-    GETFIRST = 0x4,
-    GETNEXT = 0x5,
-    SET = 0x6,
-    RESET = 0x7,
-    QUERYSUPPORT = 0x8,
-    GETHELP = 0x9,
-    GETLABEL = 0xa,
-    GETLABELENUM = 0xb,
-    SETCONSTRAINT = 0xc,
-
-    // Messages used with DAT_NULL.
-    XFERREADY = 0x101,
-    CLOSEDSREQ = 0x102,
-    CLOSEDSOK = 0x103,
-    DEVICEEVENT = 0x104,
-
-    // Messages used with a pointer to DAT_PARENT data.
-    OPENDSM = 0x301,
-    CLOSEDSM = 0x302,
-
-    // Messages used with a pointer to a DAT_IDENTITY structure.
-    OPENDS = 0x401,
-    CLOSEDS = 0x402,
-    USERSELECT = 0x403,
-
-    // Messages used with a pointer to a DAT_USERINTERFACE structure.
-    DISABLEDS = 0x501,
-    ENABLEDS = 0x502,
-    ENABLEDSUIONLY = 0x503,
-
-    // Messages used with a pointer to a DAT_EVENT structure.
-    PROCESSEVENT = 0x601,
-
-    // Messages used with a pointer to a DAT_PENDINGXFERS structure
-    ENDXFER = 0x701,
-    STOPFEEDER = 0x702,
-
-    // Messages used with a pointer to a DAT_FILESYSTEM structure
-    CHANGEDIRECTORY = 0x0801,
-    CREATEDIRECTORY = 0x0802,
-    DELETE = 0x0803,
-    FORMATMEDIA = 0x0804,
-    GETCLOSE = 0x0805,
-    GETFIRSTFILE = 0x0806,
-    GETINFO = 0x0807,
-    GETNEXTFILE = 0x0808,
-    RENAME = 0x0809,
-    COPY = 0x080A,
-    AUTOMATICCAPTUREDIRECTORY = 0x080B,
-
-    // Messages used with a pointer to a DAT_PASSTHRU structure
-    PASSTHRU = 0x0901,
-
-    // used with DAT_CALLBACK
-    REGISTER_CALLBACK = 0x0902,
-
-    // used with DAT_CAPABILITY
-    RESETALL = 0x0A01,
-
-    // used with DAT_TWAINDIRECT
-    SETTASK = 0x0B01
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Capabilities...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Capabilities...
-
-  /// <summary>
-  /// The naming convention is a little awkward, but it allows us to
-  /// achieve a unified capability type...
-  /// </summary>
-  public enum CAP : ushort
-  {
-    // Base of custom capabilities.
-    CAP_CUSTOMBASE = 0x8000,
-
-    /* all data sources are REQUIRED to support these caps */
-    CAP_XFERCOUNT = 0x0001,
-
-    /* image data sources are REQUIRED to support these caps */
-    ICAP_COMPRESSION = 0x0100,
-    ICAP_PIXELTYPE = 0x0101,
-    ICAP_UNITS = 0x0102,
-    ICAP_XFERMECH = 0x0103,
-
-    // all data sources MAY support these caps.
-    CAP_AUTHOR = 0x1000,
-    CAP_CAPTION = 0x1001,
-    CAP_FEEDERENABLED = 0x1002,
-    CAP_FEEDERLOADED = 0x1003,
-    CAP_TIMEDATE = 0x1004,
-    CAP_SUPPORTEDCAPS = 0x1005,
-    CAP_EXTENDEDCAPS = 0x1006,
-    CAP_AUTOFEED = 0x1007,
-    CAP_CLEARPAGE = 0x1008,
-    CAP_FEEDPAGE = 0x1009,
-    CAP_REWINDPAGE = 0x100a,
-    CAP_INDICATORS = 0x100b,
-    CAP_PAPERDETECTABLE = 0x100d,
-    CAP_UICONTROLLABLE = 0x100e,
-    CAP_DEVICEONLINE = 0x100f,
-    CAP_AUTOSCAN = 0x1010,
-    CAP_THUMBNAILSENABLED = 0x1011,
-    CAP_DUPLEX = 0x1012,
-    CAP_DUPLEXENABLED = 0x1013,
-    CAP_ENABLEDSUIONLY = 0x1014,
-    CAP_CUSTOMDSDATA = 0x1015,
-    CAP_ENDORSER = 0x1016,
-    CAP_JOBCONTROL = 0x1017,
-    CAP_ALARMS = 0x1018,
-    CAP_ALARMVOLUME = 0x1019,
-    CAP_AUTOMATICCAPTURE = 0x101a,
-    CAP_TIMEBEFOREFIRSTCAPTURE = 0x101b,
-    CAP_TIMEBETWEENCAPTURES = 0x101c,
-    CAP_CLEARBUFFERS = 0x101d,
-    CAP_MAXBATCHBUFFERS = 0x101e,
-    CAP_DEVICETIMEDATE = 0x101f,
-    CAP_POWERSUPPLY = 0x1020,
-    CAP_CAMERAPREVIEWUI = 0x1021,
-    CAP_DEVICEEVENT = 0x1022,
-    CAP_SERIALNUMBER = 0x1024,
-    CAP_PRINTER = 0x1026,
-    CAP_PRINTERENABLED = 0x1027,
-    CAP_PRINTERINDEX = 0x1028,
-    CAP_PRINTERMODE = 0x1029,
-    CAP_PRINTERSTRING = 0x102a,
-    CAP_PRINTERSUFFIX = 0x102b,
-    CAP_LANGUAGE = 0x102c,
-    CAP_FEEDERALIGNMENT = 0x102d,
-    CAP_FEEDERORDER = 0x102e,
-    CAP_REACQUIREALLOWED = 0x1030,
-    CAP_BATTERYMINUTES = 0x1032,
-    CAP_BATTERYPERCENTAGE = 0x1033,
-    CAP_CAMERASIDE = 0x1034,
-    CAP_SEGMENTED = 0x1035,
-    CAP_CAMERAENABLED = 0x1036,
-    CAP_CAMERAORDER = 0x1037,
-    CAP_MICRENABLED = 0x1038,
-    CAP_FEEDERPREP = 0x1039,
-    CAP_FEEDERPOCKET = 0x103a,
-    CAP_AUTOMATICSENSEMEDIUM = 0x103b,
-    CAP_CUSTOMINTERFACEGUID = 0x103c,
-    CAP_SUPPORTEDCAPSSEGMENTUNIQUE = 0x103d,
-    CAP_SUPPORTEDDATS = 0x103e,
-    CAP_DOUBLEFEEDDETECTION = 0x103f,
-    CAP_DOUBLEFEEDDETECTIONLENGTH = 0x1040,
-    CAP_DOUBLEFEEDDETECTIONSENSITIVITY = 0x1041,
-    CAP_DOUBLEFEEDDETECTIONRESPONSE = 0x1042,
-    CAP_PAPERHANDLING = 0x1043,
-    CAP_INDICATORSMODE = 0x1044,
-    CAP_PRINTERVERTICALOFFSET = 0x1045,
-    CAP_POWERSAVETIME = 0x1046,
-    CAP_PRINTERCHARROTATION = 0x1047,
-    CAP_PRINTERFONTSTYLE = 0x1048,
-    CAP_PRINTERINDEXLEADCHAR = 0x1049,
-    CAP_PRINTERINDEXMAXVALUE = 0x104A,
-    CAP_PRINTERINDEXNUMDIGITS = 0x104B,
-    CAP_PRINTERINDEXSTEP = 0x104C,
-    CAP_PRINTERINDEXTRIGGER = 0x104D,
-    CAP_PRINTERSTRINGPREVIEW = 0x104E,
-    CAP_SHEETCOUNT = 0x104F,
-    CAP_IMAGEADDRESSENABLED = 0x1050,
-    CAP_IAFIELDA_LEVEL = 0x1051,
-    CAP_IAFIELDB_LEVEL = 0x1052,
-    CAP_IAFIELDC_LEVEL = 0x1053,
-    CAP_IAFIELDD_LEVEL = 0x1054,
-    CAP_IAFIELDE_LEVEL = 0x1055,
-    CAP_IAFIELDA_PRINTFORMAT = 0x1056,
-    CAP_IAFIELDB_PRINTFORMAT = 0x1057,
-    CAP_IAFIELDC_PRINTFORMAT = 0x1058,
-    CAP_IAFIELDD_PRINTFORMAT = 0x1059,
-    CAP_IAFIELDE_PRINTFORMAT = 0x105A,
-    CAP_IAFIELDA_VALUE = 0x105B,
-    CAP_IAFIELDB_VALUE = 0x105C,
-    CAP_IAFIELDC_VALUE = 0x105D,
-    CAP_IAFIELDD_VALUE = 0x105E,
-    CAP_IAFIELDE_VALUE = 0x105F,
-    CAP_IAFIELDA_LASTPAGE = 0x1060,
-    CAP_IAFIELDB_LASTPAGE = 0x1061,
-    CAP_IAFIELDC_LASTPAGE = 0x1062,
-    CAP_IAFIELDD_LASTPAGE = 0x1063,
-    CAP_IAFIELDE_LASTPAGE = 0x1064,
-
-    // image data sources MAY support these caps.
-    ICAP_AUTOBRIGHT = 0x1100,
-    ICAP_BRIGHTNESS = 0x1101,
-    ICAP_CONTRAST = 0x1103,
-    ICAP_CUSTHALFTONE = 0x1104,
-    ICAP_EXPOSURETIME = 0x1105,
-    ICAP_FILTER = 0x1106,
-    ICAP_FLASHUSED = 0x1107,
-    ICAP_GAMMA = 0x1108,
-    ICAP_HALFTONES = 0x1109,
-    ICAP_HIGHLIGHT = 0x110a,
-    ICAP_IMAGEFILEFORMAT = 0x110c,
-    ICAP_LAMPSTATE = 0x110d,
-    ICAP_LIGHTSOURCE = 0x110e,
-    ICAP_ORIENTATION = 0x1110,
-    ICAP_PHYSICALWIDTH = 0x1111,
-    ICAP_PHYSICALHEIGHT = 0x1112,
-    ICAP_SHADOW = 0x1113,
-    ICAP_FRAMES = 0x1114,
-    ICAP_XNATIVERESOLUTION = 0x1116,
-    ICAP_YNATIVERESOLUTION = 0x1117,
-    ICAP_XRESOLUTION = 0x1118,
-    ICAP_YRESOLUTION = 0x1119,
-    ICAP_MAXFRAMES = 0x111a,
-    ICAP_TILES = 0x111b,
-    ICAP_BITORDER = 0x111c,
-    ICAP_CCITTKFACTOR = 0x111d,
-    ICAP_LIGHTPATH = 0x111e,
-    ICAP_PIXELFLAVOR = 0x111f,
-    ICAP_PLANARCHUNKY = 0x1120,
-    ICAP_ROTATION = 0x1121,
-    ICAP_SUPPORTEDSIZES = 0x1122,
-    ICAP_THRESHOLD = 0x1123,
-    ICAP_XSCALING = 0x1124,
-    ICAP_YSCALING = 0x1125,
-    ICAP_BITORDERCODES = 0x1126,
-    ICAP_PIXELFLAVORCODES = 0x1127,
-    ICAP_JPEGPIXELTYPE = 0x1128,
-    ICAP_TIMEFILL = 0x112a,
-    ICAP_BITDEPTH = 0x112b,
-    ICAP_BITDEPTHREDUCTION = 0x112c,
-    ICAP_UNDEFINEDIMAGESIZE = 0x112d,
-    ICAP_IMAGEDATASET = 0x112e,
-    ICAP_EXTIMAGEINFO = 0x112f,
-    ICAP_MINIMUMHEIGHT = 0x1130,
-    ICAP_MINIMUMWIDTH = 0x1131,
-    ICAP_AUTODISCARDBLANKPAGES = 0x1134,
-    ICAP_FLIPROTATION = 0x1136,
-    ICAP_BARCODEDETECTIONENABLED = 0x1137,
-    ICAP_SUPPORTEDBARCODETYPES = 0x1138,
-    ICAP_BARCODEMAXSEARCHPRIORITIES = 0x1139,
-    ICAP_BARCODESEARCHPRIORITIES = 0x113a,
-    ICAP_BARCODESEARCHMODE = 0x113b,
-    ICAP_BARCODEMAXRETRIES = 0x113c,
-    ICAP_BARCODETIMEOUT = 0x113d,
-    ICAP_ZOOMFACTOR = 0x113e,
-    ICAP_PATCHCODEDETECTIONENABLED = 0x113f,
-    ICAP_SUPPORTEDPATCHCODETYPES = 0x1140,
-    ICAP_PATCHCODEMAXSEARCHPRIORITIES = 0x1141,
-    ICAP_PATCHCODESEARCHPRIORITIES = 0x1142,
-    ICAP_PATCHCODESEARCHMODE = 0x1143,
-    ICAP_PATCHCODEMAXRETRIES = 0x1144,
-    ICAP_PATCHCODETIMEOUT = 0x1145,
-    ICAP_FLASHUSED2 = 0x1146,
-    ICAP_IMAGEFILTER = 0x1147,
-    ICAP_NOISEFILTER = 0x1148,
-    ICAP_OVERSCAN = 0x1149,
-    ICAP_AUTOMATICBORDERDETECTION = 0x1150,
-    ICAP_AUTOMATICDESKEW = 0x1151,
-    ICAP_AUTOMATICROTATE = 0x1152,
-    ICAP_JPEGQUALITY = 0x1153,
-    ICAP_FEEDERTYPE = 0x1154,
-    ICAP_ICCPROFILE = 0x1155,
-    ICAP_AUTOSIZE = 0x1156,
-    ICAP_AUTOMATICCROPUSESFRAME = 0x1157,
-    ICAP_AUTOMATICLENGTHDETECTION = 0x1158,
-    ICAP_AUTOMATICCOLORENABLED = 0x1159,
-    ICAP_AUTOMATICCOLORNONCOLORPIXELTYPE = 0x115a,
-    ICAP_COLORMANAGEMENTENABLED = 0x115b,
-    ICAP_IMAGEMERGE = 0x115c,
-    ICAP_IMAGEMERGEHEIGHTTHRESHOLD = 0x115d,
-    ICAP_SUPPORTEDEXTIMAGEINFO = 0x115e,
-    ICAP_FILMTYPE = 0x115f,
-    ICAP_MIRROR = 0x1160,
-    ICAP_JPEGSUBSAMPLING = 0x1161,
-
-    // image data sources MAY support these audio caps.
-    ACAP_XFERMECH = 0x1202
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Extended Image Info Attributes section  Added 1.7...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Extended Image Info Attributes section  Added 1.7...
-
-  /// <summary>
-  /// Extended Image Info Attributes...
-  /// </summary>
-  public enum TWEI : ushort
-  {
-    BARCODEX = 0x1200,
-    BARCODEY = 0x1201,
-    BARCODETEXT = 0x1202,
-    BARCODETYPE = 0x1203,
-    DESHADETOP = 0x1204,
-    DESHADELEFT = 0x1205,
-    DESHADEHEIGHT = 0x1206,
-    DESHADEWIDTH = 0x1207,
-    DESHADESIZE = 0x1208,
-    SPECKLESREMOVED = 0x1209,
-    HORZLINEXCOORD = 0x120A,
-    HORZLINEYCOORD = 0x120B,
-    HORZLINELENGTH = 0x120C,
-    HORZLINETHICKNESS = 0x120D,
-    VERTLINEXCOORD = 0x120E,
-    VERTLINEYCOORD = 0x120F,
-    VERTLINELENGTH = 0x1210,
-    VERTLINETHICKNESS = 0x1211,
-    PATCHCODE = 0x1212,
-    ENDORSEDTEXT = 0x1213,
-    FORMCONFIDENCE = 0x1214,
-    FORMTEMPLATEMATCH = 0x1215,
-    FORMTEMPLATEPAGEMATCH = 0x1216,
-    FORMHORZDOCOFFSET = 0x1217,
-    FORMVERTDOCOFFSET = 0x1218,
-    BARCODECOUNT = 0x1219,
-    BARCODECONFIDENCE = 0x121A,
-    BARCODEROTATION = 0x121B,
-    BARCODETEXTLENGTH = 0x121C,
-    DESHADECOUNT = 0x121D,
-    DESHADEBLACKCOUNTOLD = 0x121E,
-    DESHADEBLACKCOUNTNEW = 0x121F,
-    DESHADEBLACKRLMIN = 0x1220,
-    DESHADEBLACKRLMAX = 0x1221,
-    DESHADEWHITECOUNTOLD = 0x1222,
-    DESHADEWHITECOUNTNEW = 0x1223,
-    DESHADEWHITERLMIN = 0x1224,
-    DESHADEWHITERLAVE = 0x1225,
-    DESHADEWHITERLMAX = 0x1226,
-    BLACKSPECKLESREMOVED = 0x1227,
-    WHITESPECKLESREMOVED = 0x1228,
-    HORZLINECOUNT = 0x1229,
-    VERTLINECOUNT = 0x122A,
-    DESKEWSTATUS = 0x122B,
-    SKEWORIGINALANGLE = 0x122C,
-    SKEWFINALANGLE = 0x122D,
-    SKEWCONFIDENCE = 0x122E,
-    SKEWWINDOWX1 = 0x122F,
-    SKEWWINDOWY1 = 0x1230,
-    SKEWWINDOWX2 = 0x1231,
-    SKEWWINDOWY2 = 0x1232,
-    SKEWWINDOWX3 = 0x1233,
-    SKEWWINDOWY3 = 0x1234,
-    SKEWWINDOWX4 = 0x1235,
-    SKEWWINDOWY4 = 0x1236,
-    BOOKNAME = 0x1238,
-    CHAPTERNUMBER = 0x1239,
-    DOCUMENTNUMBER = 0x123A,
-    PAGENUMBER = 0x123B,
-    CAMERA = 0x123C,
-    FRAMENUMBER = 0x123D,
-    FRAME = 0x123E,
-    PIXELFLAVOR = 0x123F,
-    ICCPROFILE = 0x1240,
-    LASTSEGMENT = 0x1241,
-    SEGMENTNUMBER = 0x1242,
-    MAGDATA = 0x1243,
-    MAGTYPE = 0x1244,
-    PAGESIDE = 0x1245,
-    FILESYSTEMSOURCE = 0x1246,
-    IMAGEMERGED = 0x1247,
-    MAGDATALENGTH = 0x1248,
-    PAPERCOUNT = 0x1249,
-    PRINTERTEXT = 0x124A,
-    TWAINDIRECTMETADATA = 0x124B,
-    IAFIELDA_VALUE = 0x124C,
-    IAFIELDB_VALUE = 0x124D,
-    IAFIELDC_VALUE = 0x124E,
-    IAFIELDD_VALUE = 0x124F,
-    IAFIELDE_VALUE = 0x1250,
-    IALEVEL = 0x1251,
-    PRINTER = 0x1252,
-    BARCODETEXT2 = 0x1253
-  }
-
-  public enum TWEJ : ushort
-  {
-    NONE = 0x0000,
-    MIDSEPARATOR = 0x0001,
-    PATCH1 = 0x0002,
-    PATCH2 = 0x0003,
-    PATCH3 = 0x0004,
-    PATCH4 = 0x0005,
-    PATCH6 = 0x0006,
-    PATCHT = 0x0007
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Return Codes and Condition Codes section...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Return Codes and Condition Codes section...
-
-  //public enum STS
-  //{
-  //  // Custom base (same for TWRC and TWCC)...
-  //  CUSTOMBASE = 0x8000,
-
-  //  // Return codes...
-  //  SUCCESS = 0,
-  //  FAILURE = 1,
-  //  CHECKSTATUS = 2,
-  //  CANCEL = 3,
-  //  DSEVENT = 4,
-  //  NOTDSEVENT = 5,
-  //  XFERDONE = 6,
-  //  ENDOFLIST = 7,
-  //  INFONOTSUPPORTED = 8,
-  //  DATANOTAVAILABLE = 9,
-  //  BUSY = 10,
-  //  SCANNERLOCKED = 11,
-
-  //  // Condition codes (always associated with TWRC_FAILURE)...
-  //  BUMMER = TwainConst.STSCC + 1,
-  //  LOWMEMORY = TwainConst.STSCC + 2,
-  //  NODS = TwainConst.STSCC + 3,
-  //  MAXCONNECTIONS = TwainConst.STSCC + 4,
-  //  OPERATIONERROR = TwainConst.STSCC + 5,
-  //  BADCAP = TwainConst.STSCC + 6,
-  //  BADPROTOCOL = TwainConst.STSCC + 9,
-  //  BADVALUE = TwainConst.STSCC + 10,
-  //  SEQERROR = TwainConst.STSCC + 11,
-  //  BADDEST = TwainConst.STSCC + 12,
-  //  CAPUNSUPPORTED = TwainConst.STSCC + 13,
-  //  CAPBADOPERATION = TwainConst.STSCC + 14,
-  //  CAPSEQERROR = TwainConst.STSCC + 15,
-  //  DENIED = TwainConst.STSCC + 16,
-  //  FILEEXISTS = TwainConst.STSCC + 17,
-  //  FILENOTFOUND = TwainConst.STSCC + 18,
-  //  NOTEMPTY = TwainConst.STSCC + 19,
-  //  PAPERJAM = TwainConst.STSCC + 20,
-  //  PAPERDOUBLEFEED = TwainConst.STSCC + 21,
-  //  FILEWRITEERROR = TwainConst.STSCC + 22,
-  //  CHECKDEVICEONLINE = TwainConst.STSCC + 23,
-  //  INTERLOCK = TwainConst.STSCC + 24,
-  //  DAMAGEDCORNER = TwainConst.STSCC + 25,
-  //  FOCUSERROR = TwainConst.STSCC + 26,
-  //  DOCTOOLIGHT = TwainConst.STSCC + 27,
-  //  DOCTOODARK = TwainConst.STSCC + 28,
-  //  NOMEDIA = TwainConst.STSCC + 29
-  //}
-
-  /// <summary>
-  /// bit patterns: for query the operation that are supported by the data source on a capability
-  /// Application gets these through DG_CONTROL/DAT_CAPABILITY/MSG_QUERYSUPPORT
-  /// </summary>
-  [Flags]
-  public enum TWQC : ushort
-  {
-    Unknown = 0,
-    GET = 0x0001,
-    SET = 0x0002,
-    GETDEFAULT = 0x0004,
-    GETCURRENT = 0x0008,
-    RESET = 0x0010,
-    SETCONSTRAINT = 0x0020,
-    CONSTRAINABLE = 0x0040
-  }
-
-  /// <summary>
-  /// The TWAIN States...
-  /// </summary>
-  public enum STATE
-  {
-    S1 = 1, // Nothing loaded or open
-    S2 = 2, // DSM loaded
-    S3 = 3, // DSM open
-    S4 = 4, // Data Source open, programmatic mode (no GUI)
-    S5 = 5, // GUI up or waiting to transfer first image
-    S6 = 6, // ready to start transferring image
-    S7 = 7  // transferring image or transfer done
-  }
-
-  #endregion
-
-
-  ///////////////////////////////////////////////////////////////////////////////
-  // Language section...
-  ///////////////////////////////////////////////////////////////////////////////
-  #region Language section...
-
-  /// <summary>
-  /// Handle encoding between C# and what the DS is currently set to.
-  /// NOTE: this is static for users of this object do not have to track
-  ///       the encoding (i.e. let cs deal with all of this). This
-  ///       means there is one language for all open DSes, so the last one wins.
-  /// </summary>
-  public static class Language
-  {
-    /// <summary>
-    /// The encoding to use for strings to/from the DS
-    /// </summary>
-    /// <returns></returns>
-    public static Encoding GetEncoding()
-    {
-      return (m_encoding);
+        public TW_FIX32 Left;
+        public TW_FIX32 Top;
+        public TW_FIX32 Right;
+        public TW_FIX32 Bottom;
     }
 
     /// <summary>
-    /// The current language of the DS
+    /// Defines the parameters used for channel-specific transformation.
     /// </summary>
-    /// <returns></returns>
-    public static void Set(TWLG a_twlg)
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_DECODEFUNCTION
     {
-      switch (a_twlg)
-      {
-        default:
-          // NOTE: can only get here if a TWLG was added, but it wasn't added here
-          m_encoding = Encoding.GetEncoding(1252);
-          break;
-
-        case TWLG.USERLOCALE:
-          // NOTE: this should never come back from the DS. only here for completeness
-          m_encoding = Encoding.GetEncoding(1252);
-          break;
-
-        case TWLG.THAI:
-          m_encoding = Encoding.GetEncoding(874);
-          break;
-
-        case TWLG.JAPANESE:
-          m_encoding = Encoding.GetEncoding(932);
-          break;
-
-        case TWLG.CHINESE:
-        case TWLG.CHINESE_PRC:
-        case TWLG.CHINESE_SINGAPORE:
-        case TWLG.CHINESE_SIMPLIFIED:
-          m_encoding = Encoding.GetEncoding(936);
-          break;
-
-        case TWLG.KOREAN:
-        case TWLG.KOREAN_JOHAB:
-          m_encoding = Encoding.GetEncoding(949);
-          break;
-
-        case TWLG.CHINESE_HONGKONG:
-        case TWLG.CHINESE_TAIWAN:
-        case TWLG.CHINESE_TRADITIONAL:
-          m_encoding = Encoding.GetEncoding(950);
-          break;
-
-        case TWLG.ALBANIA:
-        case TWLG.CROATIA:
-        case TWLG.CZECH:
-        case TWLG.HUNGARIAN:
-        case TWLG.POLISH:
-        case TWLG.ROMANIAN:
-        case TWLG.SERBIAN_LATIN:
-        case TWLG.SLOVAK:
-        case TWLG.SLOVENIAN:
-          m_encoding = Encoding.GetEncoding(1250);
-          break;
-
-        case TWLG.BYELORUSSIAN:
-        case TWLG.BULGARIAN:
-        case TWLG.RUSSIAN:
-        case TWLG.SERBIAN_CYRILLIC:
-        case TWLG.UKRANIAN:
-          m_encoding = Encoding.GetEncoding(1251);
-          break;
-
-        case TWLG.AFRIKAANS:
-        case TWLG.BASQUE:
-        case TWLG.CATALAN:
-        case TWLG.DAN: // DANISH
-        case TWLG.DUT: // DUTCH
-        case TWLG.DUTCH_BELGIAN:
-        case TWLG.ENG: // ENGLISH
-        case TWLG.ENGLISH_AUSTRALIAN:
-        case TWLG.ENGLISH_CANADIAN:
-        case TWLG.ENGLISH_IRELAND:
-        case TWLG.ENGLISH_NEWZEALAND:
-        case TWLG.ENGLISH_SOUTHAFRICA:
-        case TWLG.ENGLISH_UK:
-        case TWLG.USA:
-        case TWLG.FAEROESE:
-        case TWLG.FIN: // FINNISH
-        case TWLG.FRN: // FRENCH
-        case TWLG.FRENCH_BELGIAN:
-        case TWLG.FCF: // FRENCH_CANADIAN
-        case TWLG.FRENCH_LUXEMBOURG:
-        case TWLG.FRENCH_SWISS:
-        case TWLG.GER: // GERMAN
-        case TWLG.GERMAN_AUSTRIAN:
-        case TWLG.GERMAN_LIECHTENSTEIN:
-        case TWLG.GERMAN_LUXEMBOURG:
-        case TWLG.GERMAN_SWISS:
-        case TWLG.ICE: // ICELANDIC
-        case TWLG.INDONESIAN:
-        case TWLG.ITN: // ITALIAN
-        case TWLG.ITALIAN_SWISS:
-        case TWLG.NOR: // NORWEGIAN
-        case TWLG.NORWEGIAN_BOKMAL:
-        case TWLG.NORWEGIAN_NYNORSK:
-        case TWLG.POR: // PORTUGUESE
-        case TWLG.PORTUGUESE_BRAZIL:
-        case TWLG.SPA: // SPANISH
-        case TWLG.SPANISH_MEXICAN:
-        case TWLG.SPANISH_MODERN:
-        case TWLG.SWE: // SWEDISH
-        case TWLG.SWEDISH_FINLAND:
-          m_encoding = Encoding.GetEncoding(1252);
-          break;
-
-        case TWLG.GREEK:
-          m_encoding = Encoding.GetEncoding(1253);
-          break;
-
-        case TWLG.TURKISH:
-          m_encoding = Encoding.GetEncoding(1254);
-          break;
-
-        case TWLG.HEBREW:
-          m_encoding = Encoding.GetEncoding(1255);
-          break;
-
-        case TWLG.ARABIC:
-        case TWLG.ARABIC_ALGERIA:
-        case TWLG.ARABIC_BAHRAIN:
-        case TWLG.ARABIC_EGYPT:
-        case TWLG.ARABIC_IRAQ:
-        case TWLG.ARABIC_JORDAN:
-        case TWLG.ARABIC_KUWAIT:
-        case TWLG.ARABIC_LEBANON:
-        case TWLG.ARABIC_LIBYA:
-        case TWLG.ARABIC_MOROCCO:
-        case TWLG.ARABIC_OMAN:
-        case TWLG.ARABIC_QATAR:
-        case TWLG.ARABIC_SAUDIARABIA:
-        case TWLG.ARABIC_SYRIA:
-        case TWLG.ARABIC_TUNISIA:
-        case TWLG.ARABIC_UAE:
-        case TWLG.ARABIC_YEMEN:
-        case TWLG.FARSI:
-        case TWLG.URDU:
-          m_encoding = Encoding.GetEncoding(1256);
-          break;
-
-        case TWLG.ESTONIAN:
-        case TWLG.LATVIAN:
-        case TWLG.LITHUANIAN:
-          m_encoding = Encoding.GetEncoding(1257);
-          break;
-
-        case TWLG.VIETNAMESE:
-          m_encoding = Encoding.GetEncoding(1258);
-          break;
-
-        case TWLG.ASSAMESE:
-        case TWLG.BENGALI:
-        case TWLG.BIHARI:
-        case TWLG.BODO:
-        case TWLG.DOGRI:
-        case TWLG.GUJARATI:
-        case TWLG.HARYANVI:
-        case TWLG.HINDI:
-        case TWLG.KANNADA:
-        case TWLG.KASHMIRI:
-        case TWLG.MALAYALAM:
-        case TWLG.MARATHI:
-        case TWLG.MARWARI:
-        case TWLG.MEGHALAYAN:
-        case TWLG.MIZO:
-        case TWLG.NAGA:
-        case TWLG.ORISSI:
-        case TWLG.PUNJABI:
-        case TWLG.PUSHTU:
-        case TWLG.SIKKIMI:
-        case TWLG.TAMIL:
-        case TWLG.TELUGU:
-        case TWLG.TRIPURI:
-          // NOTE: there are no known code pages for these, so we will use English
-          m_encoding = Encoding.GetEncoding(1252);
-          break;
-      }
+        public TW_FIX32 StartIn;
+        public TW_FIX32 BreakIn;
+        public TW_FIX32 EndIn;
+        public TW_FIX32 StartOut;
+        public TW_FIX32 BreakOut;
+        public TW_FIX32 EndOut;
+        public TW_FIX32 Gamma;
+        public TW_FIX32 SampleCount;
     }
 
-    private static Encoding m_encoding = Encoding.GetEncoding(1252);
-  }
+    /// <summary>
+    /// Stores a Fixed point number in two parts, a whole and a fractional part.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_TRANSFORMSTAGE
+    {
+        public TW_DECODEFUNCTION Decode_0;
+        public TW_DECODEFUNCTION Decode_1;
+        public TW_DECODEFUNCTION Decode_2;
+        public TW_FIX32 Mix_0_0;
+        public TW_FIX32 Mix_0_1;
+        public TW_FIX32 Mix_0_2;
+        public TW_FIX32 Mix_1_0;
+        public TW_FIX32 Mix_1_1;
+        public TW_FIX32 Mix_1_2;
+        public TW_FIX32 Mix_2_0;
+        public TW_FIX32 Mix_2_1;
+        public TW_FIX32 Mix_2_2;
+    }
 
-  #endregion
+    /// <summary>
+    /// Stores a list of values for a capability, the ItemList is commented
+    /// out so that the caller can collect information about it with a
+    /// marshalling call...
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ARRAY
+    {
+        public TWTY ItemType;
+        public uint NumItems;
+        //public byte[] ItemList;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ARRAY_MACOSX
+    {
+        public uint ItemType;
+        public uint NumItems;
+        //public byte[] ItemList;
+    }
+
+    /// <summary>
+    /// Information about audio data.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_AUDIOINFO
+    {
+        public TW_STR255 Name;
+        public uint Reserved;
+    }
+
+    /// <summary>
+    /// Used to register callbacks.
+    /// </summary>
+    [SuppressMessage("Microsoft.Design", "CA1049:TypesThatOwnNativeResourcesShouldBeDisposable")]
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_CALLBACK
+    {
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr CallBackProc;
+        public uint RefCon;
+        public ushort Message;
+    }
+
+    /// <summary>
+    /// Used to register callbacks.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_CALLBACK2
+    {
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr CallBackProc;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public UIntPtr RefCon;
+        public ushort Message;
+    }
+
+    /// <summary>
+    /// Used by application to get/set capability from/in a data source.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public partial struct TW_CAPABILITY
+    {
+        public CAP Cap;
+        public TWON ConType;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr hContainer;
+    }
+
+    /// <summary>
+    /// Defines a CIE XYZ space tri-stimulus value.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_CIEPOINT
+    {
+        public TW_FIX32 X;
+        public TW_FIX32 Y;
+        public TW_FIX32 Z;
+    }
+
+    /// <summary>
+    /// Defines the mapping from an RGB color space device into CIE 1931 (XYZ) color space.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_CIECOLOR
+    {
+        public ushort ColorSpace;
+        public short LowEndian;
+        public short DeviceDependent;
+        public int VersionNumber;
+        public TW_TRANSFORMSTAGE StageABC;
+        public TW_TRANSFORMSTAGE StageLNM;
+        public TW_CIEPOINT WhitePoint;
+        public TW_CIEPOINT BlackPoint;
+        public TW_CIEPOINT WhitePaper;
+        public TW_CIEPOINT BlackInk;
+        public TW_FIX32 Samples;
+    }
+
+    /// <summary>
+    /// Allows for a data source and application to pass custom data to each other.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_CUSTOMDSDATA
+    {
+        public uint InfoLength;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr hData;
+    }
+
+    /// <summary>
+    /// Provides information about the Event that was raised by the Source.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_DEVICEEVENT
+    {
+        private uint _Event;
+        public TW_STR255 DeviceName;
+        public uint BatteryMinutes;
+        public short BatteryPercentage;
+        public int PowerSupply;
+        public TW_FIX32 XResolution;
+        public TW_FIX32 YResolution;
+        private uint _FlashUsed2;
+        public uint AutomaticCapture;
+        public uint TimeBeforeFirstCapture;
+        public uint TimeBetweenCaptures;
+    }
+
+    /// <summary>
+    /// This structure holds the tri-stimulus color palette information for TW_PALETTE8 structures.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ELEMENT8
+    {
+        public byte Index;
+        public byte Channel1;
+        public byte Channel2;
+        public byte Channel3;
+    }
+
+    /// <summary>
+    /// DAT_ENTRYPOINT. returns essential entry points.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ENTRYPOINT
+    {
+        public UInt32 Size;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_Entry;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemAllocate;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemFree;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemLock;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemUnlock;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ENTRYPOINT_LINUX64
+    {
+        public long Size;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_Entry;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemAllocate;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemFree;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemLock;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_MemUnlock;
+    }
+    public struct TW_ENTRYPOINT_DELEGATES
+    {
+        public UInt32 Size;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr DSM_Entry;
+        public DSM_MEMALLOC DSM_MemAllocate;
+        public DSM_MEMFREE DSM_MemFree;
+        public DSM_MEMLOCK DSM_MemLock;
+        public DSM_MEMUNLOCK DSM_MemUnlock;
+    }
+    public delegate IntPtr DSM_MEMALLOC(uint size);
+    public delegate void DSM_MEMFREE(IntPtr handle);
+    public delegate IntPtr DSM_MEMLOCK(IntPtr handle);
+    public delegate void DSM_MEMUNLOCK(IntPtr handle);
+
+    /// <summary>
+    /// Stores a group of enumerated values for a capability, the ItemList is
+    /// commented out so that the caller can collect information about it with
+    /// a marshalling call...
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ENUMERATION
+    {
+        public TWTY ItemType;
+        public uint NumItems;
+        public uint CurrentIndex;
+        public uint DefaultIndex;
+        //public byte[] ItemList;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ENUMERATION_LINUX64
+    {
+        public TWTY ItemType;
+        public ulong NumItems;
+        public ulong CurrentIndex;
+        public ulong DefaultIndex;
+        //public byte[] ItemList;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    public struct TW_ENUMERATION_MACOSX
+    {
+        public uint ItemType;
+        public uint NumItems;
+        public uint CurrentIndex;
+        public uint DefaultIndex;
+        //public byte[] ItemList;
+    }
+
+    /// <summary>
+    /// Used to pass application events/messages from the application to the Source.
+    /// </summary>
+    [SuppressMessage("Microsoft.Design", "CA1049:TypesThatOwnNativeResourcesShouldBeDisposable")]
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_EVENT
+    {
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr pEvent;
+        public ushort TWMessage;
+    }
+
+    /// <summary>
+    /// DAT_FILTER...
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_FILTER_DESCRIPTOR
+    {
+        public UInt32 Size;
+        public UInt32 HueStart;
+        public UInt32 HueEnd;
+        public UInt32 SaturationStart;
+        public UInt32 SaturationEnd;
+        public UInt32 ValueStart;
+        public UInt32 ValueEnd;
+        public UInt32 Replacement;
+    }
+
+    /// <summary>
+    /// DAT_FILTER...
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_FILTER
+    {
+        public UInt32 Size;
+        public UInt32 DescriptorCount;
+        public UInt32 MaxDescriptorCount;
+        public UInt32 Condition;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr hDescriptors;
+    }
+
+    /// <summary>
+    /// This structure is used to pass specific information between the data source and the application.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_INFO
+    {
+        public TWEI InfoId;
+        public TWTY ItemType;
+        public ushort NumItems;
+        public TWRC ReturnCode;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public UIntPtr Item;
+    }
+
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_EXTIMAGEINFO
+    {
+        private uint NumInfos;
+        private TW_INFO Info_000;
+        private TW_INFO Info_001;
+        private TW_INFO Info_002;
+        private TW_INFO Info_003;
+        private TW_INFO Info_004;
+        private TW_INFO Info_005;
+        private TW_INFO Info_006;
+        private TW_INFO Info_007;
+        private TW_INFO Info_008;
+        private TW_INFO Info_009;
+        private TW_INFO Info_010;
+        private TW_INFO Info_011;
+        private TW_INFO Info_012;
+        private TW_INFO Info_013;
+        private TW_INFO Info_014;
+        private TW_INFO Info_015;
+        private TW_INFO Info_016;
+        private TW_INFO Info_017;
+        private TW_INFO Info_018;
+        private TW_INFO Info_019;
+        private TW_INFO Info_020;
+        private TW_INFO Info_021;
+        private TW_INFO Info_022;
+        private TW_INFO Info_023;
+        private TW_INFO Info_024;
+        private TW_INFO Info_025;
+        private TW_INFO Info_026;
+        private TW_INFO Info_027;
+        private TW_INFO Info_028;
+        private TW_INFO Info_029;
+        private TW_INFO Info_030;
+        private TW_INFO Info_031;
+        private TW_INFO Info_032;
+        private TW_INFO Info_033;
+        private TW_INFO Info_034;
+        private TW_INFO Info_035;
+        private TW_INFO Info_036;
+        private TW_INFO Info_037;
+        private TW_INFO Info_038;
+        private TW_INFO Info_039;
+        private TW_INFO Info_040;
+        private TW_INFO Info_041;
+        private TW_INFO Info_042;
+        private TW_INFO Info_043;
+        private TW_INFO Info_044;
+        private TW_INFO Info_045;
+        private TW_INFO Info_046;
+        private TW_INFO Info_047;
+        private TW_INFO Info_048;
+        private TW_INFO Info_049;
+        private TW_INFO Info_050;
+        private TW_INFO Info_051;
+        private TW_INFO Info_052;
+        private TW_INFO Info_053;
+        private TW_INFO Info_054;
+        private TW_INFO Info_055;
+        private TW_INFO Info_056;
+        private TW_INFO Info_057;
+        private TW_INFO Info_058;
+        private TW_INFO Info_059;
+        private TW_INFO Info_060;
+        private TW_INFO Info_061;
+        private TW_INFO Info_062;
+        private TW_INFO Info_063;
+        private TW_INFO Info_064;
+        private TW_INFO Info_065;
+        private TW_INFO Info_066;
+        private TW_INFO Info_067;
+        private TW_INFO Info_068;
+        private TW_INFO Info_069;
+        private TW_INFO Info_070;
+        private TW_INFO Info_071;
+        private TW_INFO Info_072;
+        private TW_INFO Info_073;
+        private TW_INFO Info_074;
+        private TW_INFO Info_075;
+        private TW_INFO Info_076;
+        private TW_INFO Info_077;
+        private TW_INFO Info_078;
+        private TW_INFO Info_079;
+        private TW_INFO Info_080;
+        private TW_INFO Info_081;
+        private TW_INFO Info_082;
+        private TW_INFO Info_083;
+        private TW_INFO Info_084;
+        private TW_INFO Info_085;
+        private TW_INFO Info_086;
+        private TW_INFO Info_087;
+        private TW_INFO Info_088;
+        private TW_INFO Info_089;
+        private TW_INFO Info_090;
+        private TW_INFO Info_091;
+        private TW_INFO Info_092;
+        private TW_INFO Info_093;
+        private TW_INFO Info_094;
+        private TW_INFO Info_095;
+        private TW_INFO Info_096;
+        private TW_INFO Info_097;
+        private TW_INFO Info_098;
+        private TW_INFO Info_099;
+
+        // 200 seems overkill for anyone to request
+        // at once so I cut it down in half
+
+        //private TW_INFO Info_100;
+        //private TW_INFO Info_101;
+        //private TW_INFO Info_102;
+        //private TW_INFO Info_103;
+        //private TW_INFO Info_104;
+        //private TW_INFO Info_105;
+        //private TW_INFO Info_106;
+        //private TW_INFO Info_107;
+        //private TW_INFO Info_108;
+        //private TW_INFO Info_109;
+        //private TW_INFO Info_110;
+        //private TW_INFO Info_111;
+        //private TW_INFO Info_112;
+        //private TW_INFO Info_113;
+        //private TW_INFO Info_114;
+        //private TW_INFO Info_115;
+        //private TW_INFO Info_116;
+        //private TW_INFO Info_117;
+        //private TW_INFO Info_118;
+        //private TW_INFO Info_119;
+        //private TW_INFO Info_120;
+        //private TW_INFO Info_121;
+        //private TW_INFO Info_122;
+        //private TW_INFO Info_123;
+        //private TW_INFO Info_124;
+        //private TW_INFO Info_125;
+        //private TW_INFO Info_126;
+        //private TW_INFO Info_127;
+        //private TW_INFO Info_128;
+        //private TW_INFO Info_129;
+        //private TW_INFO Info_130;
+        //private TW_INFO Info_131;
+        //private TW_INFO Info_132;
+        //private TW_INFO Info_133;
+        //private TW_INFO Info_134;
+        //private TW_INFO Info_135;
+        //private TW_INFO Info_136;
+        //private TW_INFO Info_137;
+        //private TW_INFO Info_138;
+        //private TW_INFO Info_139;
+        //private TW_INFO Info_140;
+        //private TW_INFO Info_141;
+        //private TW_INFO Info_142;
+        //private TW_INFO Info_143;
+        //private TW_INFO Info_144;
+        //private TW_INFO Info_145;
+        //private TW_INFO Info_146;
+        //private TW_INFO Info_147;
+        //private TW_INFO Info_148;
+        //private TW_INFO Info_149;
+        //private TW_INFO Info_150;
+        //private TW_INFO Info_151;
+        //private TW_INFO Info_152;
+        //private TW_INFO Info_153;
+        //private TW_INFO Info_154;
+        //private TW_INFO Info_155;
+        //private TW_INFO Info_156;
+        //private TW_INFO Info_157;
+        //private TW_INFO Info_158;
+        //private TW_INFO Info_159;
+        //private TW_INFO Info_160;
+        //private TW_INFO Info_161;
+        //private TW_INFO Info_162;
+        //private TW_INFO Info_163;
+        //private TW_INFO Info_164;
+        //private TW_INFO Info_165;
+        //private TW_INFO Info_166;
+        //private TW_INFO Info_167;
+        //private TW_INFO Info_168;
+        //private TW_INFO Info_169;
+        //private TW_INFO Info_170;
+        //private TW_INFO Info_171;
+        //private TW_INFO Info_172;
+        //private TW_INFO Info_173;
+        //private TW_INFO Info_174;
+        //private TW_INFO Info_175;
+        //private TW_INFO Info_176;
+        //private TW_INFO Info_177;
+        //private TW_INFO Info_178;
+        //private TW_INFO Info_179;
+        //private TW_INFO Info_180;
+        //private TW_INFO Info_181;
+        //private TW_INFO Info_182;
+        //private TW_INFO Info_183;
+        //private TW_INFO Info_184;
+        //private TW_INFO Info_185;
+        //private TW_INFO Info_186;
+        //private TW_INFO Info_187;
+        //private TW_INFO Info_188;
+        //private TW_INFO Info_189;
+        //private TW_INFO Info_190;
+        //private TW_INFO Info_191;
+        //private TW_INFO Info_192;
+        //private TW_INFO Info_193;
+        //private TW_INFO Info_194;
+        //private TW_INFO Info_195;
+        //private TW_INFO Info_196;
+        //private TW_INFO Info_197;
+        //private TW_INFO Info_198;
+        //private TW_INFO Info_199;
+
+        public void Get(int a_uIndex, ref TW_INFO a_twinfo)
+        {
+            switch (a_uIndex)
+            {
+                default: return;
+                case 0: a_twinfo = Info_000; return;
+                case 1: a_twinfo = Info_001; return;
+                case 2: a_twinfo = Info_002; return;
+                case 3: a_twinfo = Info_003; return;
+                case 4: a_twinfo = Info_004; return;
+                case 5: a_twinfo = Info_005; return;
+                case 6: a_twinfo = Info_006; return;
+                case 7: a_twinfo = Info_007; return;
+                case 8: a_twinfo = Info_008; return;
+                case 9: a_twinfo = Info_009; return;
+                case 10: a_twinfo = Info_010; return;
+                case 11: a_twinfo = Info_011; return;
+                case 12: a_twinfo = Info_012; return;
+                case 13: a_twinfo = Info_013; return;
+                case 14: a_twinfo = Info_014; return;
+                case 15: a_twinfo = Info_015; return;
+                case 16: a_twinfo = Info_016; return;
+                case 17: a_twinfo = Info_017; return;
+                case 18: a_twinfo = Info_018; return;
+                case 19: a_twinfo = Info_019; return;
+                case 20: a_twinfo = Info_020; return;
+                case 21: a_twinfo = Info_021; return;
+                case 22: a_twinfo = Info_022; return;
+                case 23: a_twinfo = Info_023; return;
+                case 24: a_twinfo = Info_024; return;
+                case 25: a_twinfo = Info_025; return;
+                case 26: a_twinfo = Info_026; return;
+                case 27: a_twinfo = Info_027; return;
+                case 28: a_twinfo = Info_028; return;
+                case 29: a_twinfo = Info_029; return;
+                case 30: a_twinfo = Info_030; return;
+                case 31: a_twinfo = Info_031; return;
+                case 32: a_twinfo = Info_032; return;
+                case 33: a_twinfo = Info_033; return;
+                case 34: a_twinfo = Info_034; return;
+                case 35: a_twinfo = Info_035; return;
+                case 36: a_twinfo = Info_036; return;
+                case 37: a_twinfo = Info_037; return;
+                case 38: a_twinfo = Info_038; return;
+                case 39: a_twinfo = Info_039; return;
+                case 40: a_twinfo = Info_040; return;
+                case 41: a_twinfo = Info_041; return;
+                case 42: a_twinfo = Info_042; return;
+                case 43: a_twinfo = Info_043; return;
+                case 44: a_twinfo = Info_044; return;
+                case 45: a_twinfo = Info_045; return;
+                case 46: a_twinfo = Info_046; return;
+                case 47: a_twinfo = Info_047; return;
+                case 48: a_twinfo = Info_048; return;
+                case 49: a_twinfo = Info_049; return;
+                case 50: a_twinfo = Info_050; return;
+                case 51: a_twinfo = Info_051; return;
+                case 52: a_twinfo = Info_052; return;
+                case 53: a_twinfo = Info_053; return;
+                case 54: a_twinfo = Info_054; return;
+                case 55: a_twinfo = Info_055; return;
+                case 56: a_twinfo = Info_056; return;
+                case 57: a_twinfo = Info_057; return;
+                case 58: a_twinfo = Info_058; return;
+                case 59: a_twinfo = Info_059; return;
+                case 60: a_twinfo = Info_060; return;
+                case 61: a_twinfo = Info_061; return;
+                case 62: a_twinfo = Info_062; return;
+                case 63: a_twinfo = Info_063; return;
+                case 64: a_twinfo = Info_064; return;
+                case 65: a_twinfo = Info_065; return;
+                case 66: a_twinfo = Info_066; return;
+                case 67: a_twinfo = Info_067; return;
+                case 68: a_twinfo = Info_068; return;
+                case 69: a_twinfo = Info_069; return;
+                case 70: a_twinfo = Info_070; return;
+                case 71: a_twinfo = Info_071; return;
+                case 72: a_twinfo = Info_072; return;
+                case 73: a_twinfo = Info_073; return;
+                case 74: a_twinfo = Info_074; return;
+                case 75: a_twinfo = Info_075; return;
+                case 76: a_twinfo = Info_076; return;
+                case 77: a_twinfo = Info_077; return;
+                case 78: a_twinfo = Info_078; return;
+                case 79: a_twinfo = Info_079; return;
+                case 80: a_twinfo = Info_080; return;
+                case 81: a_twinfo = Info_081; return;
+                case 82: a_twinfo = Info_082; return;
+                case 83: a_twinfo = Info_083; return;
+                case 84: a_twinfo = Info_084; return;
+                case 85: a_twinfo = Info_085; return;
+                case 86: a_twinfo = Info_086; return;
+                case 87: a_twinfo = Info_087; return;
+                case 88: a_twinfo = Info_088; return;
+                case 89: a_twinfo = Info_089; return;
+                case 90: a_twinfo = Info_090; return;
+                case 91: a_twinfo = Info_091; return;
+                case 92: a_twinfo = Info_092; return;
+                case 93: a_twinfo = Info_093; return;
+                case 94: a_twinfo = Info_094; return;
+                case 95: a_twinfo = Info_095; return;
+                case 96: a_twinfo = Info_096; return;
+                case 97: a_twinfo = Info_097; return;
+                case 98: a_twinfo = Info_098; return;
+                case 99: a_twinfo = Info_099; return;
+                    //case 100: a_twinfo = Info_100; return;
+                    //case 101: a_twinfo = Info_101; return;
+                    //case 102: a_twinfo = Info_102; return;
+                    //case 103: a_twinfo = Info_103; return;
+                    //case 104: a_twinfo = Info_104; return;
+                    //case 105: a_twinfo = Info_105; return;
+                    //case 106: a_twinfo = Info_106; return;
+                    //case 107: a_twinfo = Info_107; return;
+                    //case 108: a_twinfo = Info_108; return;
+                    //case 109: a_twinfo = Info_109; return;
+                    //case 110: a_twinfo = Info_110; return;
+                    //case 111: a_twinfo = Info_111; return;
+                    //case 112: a_twinfo = Info_112; return;
+                    //case 113: a_twinfo = Info_113; return;
+                    //case 114: a_twinfo = Info_114; return;
+                    //case 115: a_twinfo = Info_115; return;
+                    //case 116: a_twinfo = Info_116; return;
+                    //case 117: a_twinfo = Info_117; return;
+                    //case 118: a_twinfo = Info_118; return;
+                    //case 119: a_twinfo = Info_119; return;
+                    //case 120: a_twinfo = Info_120; return;
+                    //case 121: a_twinfo = Info_121; return;
+                    //case 122: a_twinfo = Info_122; return;
+                    //case 123: a_twinfo = Info_123; return;
+                    //case 124: a_twinfo = Info_124; return;
+                    //case 125: a_twinfo = Info_125; return;
+                    //case 126: a_twinfo = Info_126; return;
+                    //case 127: a_twinfo = Info_127; return;
+                    //case 128: a_twinfo = Info_128; return;
+                    //case 129: a_twinfo = Info_129; return;
+                    //case 130: a_twinfo = Info_130; return;
+                    //case 131: a_twinfo = Info_131; return;
+                    //case 132: a_twinfo = Info_132; return;
+                    //case 133: a_twinfo = Info_133; return;
+                    //case 134: a_twinfo = Info_134; return;
+                    //case 135: a_twinfo = Info_135; return;
+                    //case 136: a_twinfo = Info_136; return;
+                    //case 137: a_twinfo = Info_137; return;
+                    //case 138: a_twinfo = Info_138; return;
+                    //case 139: a_twinfo = Info_139; return;
+                    //case 140: a_twinfo = Info_140; return;
+                    //case 141: a_twinfo = Info_141; return;
+                    //case 142: a_twinfo = Info_142; return;
+                    //case 143: a_twinfo = Info_143; return;
+                    //case 144: a_twinfo = Info_144; return;
+                    //case 145: a_twinfo = Info_145; return;
+                    //case 146: a_twinfo = Info_146; return;
+                    //case 147: a_twinfo = Info_147; return;
+                    //case 148: a_twinfo = Info_148; return;
+                    //case 149: a_twinfo = Info_149; return;
+                    //case 150: a_twinfo = Info_150; return;
+                    //case 151: a_twinfo = Info_151; return;
+                    //case 152: a_twinfo = Info_152; return;
+                    //case 153: a_twinfo = Info_153; return;
+                    //case 154: a_twinfo = Info_154; return;
+                    //case 155: a_twinfo = Info_155; return;
+                    //case 156: a_twinfo = Info_156; return;
+                    //case 157: a_twinfo = Info_157; return;
+                    //case 158: a_twinfo = Info_158; return;
+                    //case 159: a_twinfo = Info_159; return;
+                    //case 160: a_twinfo = Info_160; return;
+                    //case 161: a_twinfo = Info_161; return;
+                    //case 162: a_twinfo = Info_162; return;
+                    //case 163: a_twinfo = Info_163; return;
+                    //case 164: a_twinfo = Info_164; return;
+                    //case 165: a_twinfo = Info_165; return;
+                    //case 166: a_twinfo = Info_166; return;
+                    //case 167: a_twinfo = Info_167; return;
+                    //case 168: a_twinfo = Info_168; return;
+                    //case 169: a_twinfo = Info_169; return;
+                    //case 170: a_twinfo = Info_170; return;
+                    //case 171: a_twinfo = Info_171; return;
+                    //case 172: a_twinfo = Info_172; return;
+                    //case 173: a_twinfo = Info_173; return;
+                    //case 174: a_twinfo = Info_174; return;
+                    //case 175: a_twinfo = Info_175; return;
+                    //case 176: a_twinfo = Info_176; return;
+                    //case 177: a_twinfo = Info_177; return;
+                    //case 178: a_twinfo = Info_178; return;
+                    //case 179: a_twinfo = Info_179; return;
+                    //case 180: a_twinfo = Info_180; return;
+                    //case 181: a_twinfo = Info_181; return;
+                    //case 182: a_twinfo = Info_182; return;
+                    //case 183: a_twinfo = Info_183; return;
+                    //case 184: a_twinfo = Info_184; return;
+                    //case 185: a_twinfo = Info_185; return;
+                    //case 186: a_twinfo = Info_186; return;
+                    //case 187: a_twinfo = Info_187; return;
+                    //case 188: a_twinfo = Info_188; return;
+                    //case 189: a_twinfo = Info_189; return;
+                    //case 190: a_twinfo = Info_190; return;
+                    //case 191: a_twinfo = Info_191; return;
+                    //case 192: a_twinfo = Info_192; return;
+                    //case 193: a_twinfo = Info_193; return;
+                    //case 194: a_twinfo = Info_194; return;
+                    //case 195: a_twinfo = Info_195; return;
+                    //case 196: a_twinfo = Info_196; return;
+                    //case 197: a_twinfo = Info_197; return;
+                    //case 198: a_twinfo = Info_198; return;
+                    //case 199: a_twinfo = Info_199; return;
+            }
+        }
+
+        public void Set(int a_uIndex, ref TW_INFO a_twinfo)
+        {
+            switch (a_uIndex)
+            {
+                default: return;
+                case 0: Info_000 = a_twinfo; return;
+                case 1: Info_001 = a_twinfo; return;
+                case 2: Info_002 = a_twinfo; return;
+                case 3: Info_003 = a_twinfo; return;
+                case 4: Info_004 = a_twinfo; return;
+                case 5: Info_005 = a_twinfo; return;
+                case 6: Info_006 = a_twinfo; return;
+                case 7: Info_007 = a_twinfo; return;
+                case 8: Info_008 = a_twinfo; return;
+                case 9: Info_009 = a_twinfo; return;
+                case 10: Info_010 = a_twinfo; return;
+                case 11: Info_011 = a_twinfo; return;
+                case 12: Info_012 = a_twinfo; return;
+                case 13: Info_013 = a_twinfo; return;
+                case 14: Info_014 = a_twinfo; return;
+                case 15: Info_015 = a_twinfo; return;
+                case 16: Info_016 = a_twinfo; return;
+                case 17: Info_017 = a_twinfo; return;
+                case 18: Info_018 = a_twinfo; return;
+                case 19: Info_019 = a_twinfo; return;
+                case 20: Info_020 = a_twinfo; return;
+                case 21: Info_021 = a_twinfo; return;
+                case 22: Info_022 = a_twinfo; return;
+                case 23: Info_023 = a_twinfo; return;
+                case 24: Info_024 = a_twinfo; return;
+                case 25: Info_025 = a_twinfo; return;
+                case 26: Info_026 = a_twinfo; return;
+                case 27: Info_027 = a_twinfo; return;
+                case 28: Info_028 = a_twinfo; return;
+                case 29: Info_029 = a_twinfo; return;
+                case 30: Info_030 = a_twinfo; return;
+                case 31: Info_031 = a_twinfo; return;
+                case 32: Info_032 = a_twinfo; return;
+                case 33: Info_033 = a_twinfo; return;
+                case 34: Info_034 = a_twinfo; return;
+                case 35: Info_035 = a_twinfo; return;
+                case 36: Info_036 = a_twinfo; return;
+                case 37: Info_037 = a_twinfo; return;
+                case 38: Info_038 = a_twinfo; return;
+                case 39: Info_039 = a_twinfo; return;
+                case 40: Info_040 = a_twinfo; return;
+                case 41: Info_041 = a_twinfo; return;
+                case 42: Info_042 = a_twinfo; return;
+                case 43: Info_043 = a_twinfo; return;
+                case 44: Info_044 = a_twinfo; return;
+                case 45: Info_045 = a_twinfo; return;
+                case 46: Info_046 = a_twinfo; return;
+                case 47: Info_047 = a_twinfo; return;
+                case 48: Info_048 = a_twinfo; return;
+                case 49: Info_049 = a_twinfo; return;
+                case 50: Info_050 = a_twinfo; return;
+                case 51: Info_051 = a_twinfo; return;
+                case 52: Info_052 = a_twinfo; return;
+                case 53: Info_053 = a_twinfo; return;
+                case 54: Info_054 = a_twinfo; return;
+                case 55: Info_055 = a_twinfo; return;
+                case 56: Info_056 = a_twinfo; return;
+                case 57: Info_057 = a_twinfo; return;
+                case 58: Info_058 = a_twinfo; return;
+                case 59: Info_059 = a_twinfo; return;
+                case 60: Info_060 = a_twinfo; return;
+                case 61: Info_061 = a_twinfo; return;
+                case 62: Info_062 = a_twinfo; return;
+                case 63: Info_063 = a_twinfo; return;
+                case 64: Info_064 = a_twinfo; return;
+                case 65: Info_065 = a_twinfo; return;
+                case 66: Info_066 = a_twinfo; return;
+                case 67: Info_067 = a_twinfo; return;
+                case 68: Info_068 = a_twinfo; return;
+                case 69: Info_069 = a_twinfo; return;
+                case 70: Info_070 = a_twinfo; return;
+                case 71: Info_071 = a_twinfo; return;
+                case 72: Info_072 = a_twinfo; return;
+                case 73: Info_073 = a_twinfo; return;
+                case 74: Info_074 = a_twinfo; return;
+                case 75: Info_075 = a_twinfo; return;
+                case 76: Info_076 = a_twinfo; return;
+                case 77: Info_077 = a_twinfo; return;
+                case 78: Info_078 = a_twinfo; return;
+                case 79: Info_079 = a_twinfo; return;
+                case 80: Info_080 = a_twinfo; return;
+                case 81: Info_081 = a_twinfo; return;
+                case 82: Info_082 = a_twinfo; return;
+                case 83: Info_083 = a_twinfo; return;
+                case 84: Info_084 = a_twinfo; return;
+                case 85: Info_085 = a_twinfo; return;
+                case 86: Info_086 = a_twinfo; return;
+                case 87: Info_087 = a_twinfo; return;
+                case 88: Info_088 = a_twinfo; return;
+                case 89: Info_089 = a_twinfo; return;
+                case 90: Info_090 = a_twinfo; return;
+                case 91: Info_091 = a_twinfo; return;
+                case 92: Info_092 = a_twinfo; return;
+                case 93: Info_093 = a_twinfo; return;
+                case 94: Info_094 = a_twinfo; return;
+                case 95: Info_095 = a_twinfo; return;
+                case 96: Info_096 = a_twinfo; return;
+                case 97: Info_097 = a_twinfo; return;
+                case 98: Info_098 = a_twinfo; return;
+                case 99: Info_099 = a_twinfo; return;
+                    //case 100: Info_100 = a_twinfo; return;
+                    //case 101: Info_101 = a_twinfo; return;
+                    //case 102: Info_102 = a_twinfo; return;
+                    //case 103: Info_103 = a_twinfo; return;
+                    //case 104: Info_104 = a_twinfo; return;
+                    //case 105: Info_105 = a_twinfo; return;
+                    //case 106: Info_106 = a_twinfo; return;
+                    //case 107: Info_107 = a_twinfo; return;
+                    //case 108: Info_108 = a_twinfo; return;
+                    //case 109: Info_109 = a_twinfo; return;
+                    //case 110: Info_110 = a_twinfo; return;
+                    //case 111: Info_111 = a_twinfo; return;
+                    //case 112: Info_112 = a_twinfo; return;
+                    //case 113: Info_113 = a_twinfo; return;
+                    //case 114: Info_114 = a_twinfo; return;
+                    //case 115: Info_115 = a_twinfo; return;
+                    //case 116: Info_116 = a_twinfo; return;
+                    //case 117: Info_117 = a_twinfo; return;
+                    //case 118: Info_118 = a_twinfo; return;
+                    //case 119: Info_119 = a_twinfo; return;
+                    //case 120: Info_120 = a_twinfo; return;
+                    //case 121: Info_121 = a_twinfo; return;
+                    //case 122: Info_122 = a_twinfo; return;
+                    //case 123: Info_123 = a_twinfo; return;
+                    //case 124: Info_124 = a_twinfo; return;
+                    //case 125: Info_125 = a_twinfo; return;
+                    //case 126: Info_126 = a_twinfo; return;
+                    //case 127: Info_127 = a_twinfo; return;
+                    //case 128: Info_128 = a_twinfo; return;
+                    //case 129: Info_129 = a_twinfo; return;
+                    //case 130: Info_130 = a_twinfo; return;
+                    //case 131: Info_131 = a_twinfo; return;
+                    //case 132: Info_132 = a_twinfo; return;
+                    //case 133: Info_133 = a_twinfo; return;
+                    //case 134: Info_134 = a_twinfo; return;
+                    //case 135: Info_135 = a_twinfo; return;
+                    //case 136: Info_136 = a_twinfo; return;
+                    //case 137: Info_137 = a_twinfo; return;
+                    //case 138: Info_138 = a_twinfo; return;
+                    //case 139: Info_139 = a_twinfo; return;
+                    //case 140: Info_140 = a_twinfo; return;
+                    //case 141: Info_141 = a_twinfo; return;
+                    //case 142: Info_142 = a_twinfo; return;
+                    //case 143: Info_143 = a_twinfo; return;
+                    //case 144: Info_144 = a_twinfo; return;
+                    //case 145: Info_145 = a_twinfo; return;
+                    //case 146: Info_146 = a_twinfo; return;
+                    //case 147: Info_147 = a_twinfo; return;
+                    //case 148: Info_148 = a_twinfo; return;
+                    //case 149: Info_149 = a_twinfo; return;
+                    //case 150: Info_150 = a_twinfo; return;
+                    //case 151: Info_151 = a_twinfo; return;
+                    //case 152: Info_152 = a_twinfo; return;
+                    //case 153: Info_153 = a_twinfo; return;
+                    //case 154: Info_154 = a_twinfo; return;
+                    //case 155: Info_155 = a_twinfo; return;
+                    //case 156: Info_156 = a_twinfo; return;
+                    //case 157: Info_157 = a_twinfo; return;
+                    //case 158: Info_158 = a_twinfo; return;
+                    //case 159: Info_159 = a_twinfo; return;
+                    //case 160: Info_160 = a_twinfo; return;
+                    //case 161: Info_161 = a_twinfo; return;
+                    //case 162: Info_162 = a_twinfo; return;
+                    //case 163: Info_163 = a_twinfo; return;
+                    //case 164: Info_164 = a_twinfo; return;
+                    //case 165: Info_165 = a_twinfo; return;
+                    //case 166: Info_166 = a_twinfo; return;
+                    //case 167: Info_167 = a_twinfo; return;
+                    //case 168: Info_168 = a_twinfo; return;
+                    //case 169: Info_169 = a_twinfo; return;
+                    //case 170: Info_170 = a_twinfo; return;
+                    //case 171: Info_171 = a_twinfo; return;
+                    //case 172: Info_172 = a_twinfo; return;
+                    //case 173: Info_173 = a_twinfo; return;
+                    //case 174: Info_174 = a_twinfo; return;
+                    //case 175: Info_175 = a_twinfo; return;
+                    //case 176: Info_176 = a_twinfo; return;
+                    //case 177: Info_177 = a_twinfo; return;
+                    //case 178: Info_178 = a_twinfo; return;
+                    //case 179: Info_179 = a_twinfo; return;
+                    //case 180: Info_180 = a_twinfo; return;
+                    //case 181: Info_181 = a_twinfo; return;
+                    //case 182: Info_182 = a_twinfo; return;
+                    //case 183: Info_183 = a_twinfo; return;
+                    //case 184: Info_184 = a_twinfo; return;
+                    //case 185: Info_185 = a_twinfo; return;
+                    //case 186: Info_186 = a_twinfo; return;
+                    //case 187: Info_187 = a_twinfo; return;
+                    //case 188: Info_188 = a_twinfo; return;
+                    //case 189: Info_189 = a_twinfo; return;
+                    //case 190: Info_190 = a_twinfo; return;
+                    //case 191: Info_191 = a_twinfo; return;
+                    //case 192: Info_192 = a_twinfo; return;
+                    //case 193: Info_193 = a_twinfo; return;
+                    //case 194: Info_194 = a_twinfo; return;
+                    //case 195: Info_195 = a_twinfo; return;
+                    //case 196: Info_196 = a_twinfo; return;
+                    //case 197: Info_197 = a_twinfo; return;
+                    //case 198: Info_198 = a_twinfo; return;
+                    //case 199: Info_199 = a_twinfo; return;
+            }
+        }
+    }
+
+    /// <summary>
+    /// Provides information about the currently selected device.
+    /// TBD -- need a 32/64 bit solution for this mess
+    /// </summary>
+    [SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", MessageId = "ModifiedTimeDate")]
+    [SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", MessageId = "CreateTimeDate")]
+    [StructLayout(LayoutKind.Explicit, Pack = 2)]
+    public struct TW_FILESYSTEM
+    {
+        [FieldOffset(0)]
+        public TW_STR255 InputName;
+
+        [FieldOffset(256)]
+        public TW_STR255 OutputName;
+
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        [FieldOffset(512)]
+        public IntPtr Context;
+
+        [FieldOffset(520)]
+        public Int32 Recursive;
+        [FieldOffset(520)]
+        public UInt16 Subdirectories;
+
+        [FieldOffset(524)]
+        public Int32 FileType;
+        [FieldOffset(524)]
+        public UInt32 FileSystemType;
+
+        [FieldOffset(528)]
+        public UInt32 Size;
+
+        [FieldOffset(532)]
+        public TW_STR32 CreateTimeDate;
+
+        [FieldOffset(566)]
+        public TW_STR32 ModifiedTimeDate;
+
+        [FieldOffset(600)]
+        public UInt32 FreeSpace;
+
+        [FieldOffset(604)]
+        public UInt32 NewImageSize;
+
+        [FieldOffset(608)]
+        public UInt32 NumberOfFiles;
+
+        [FieldOffset(612)]
+        public UInt32 NumberOfSnippets;
+
+        [FieldOffset(616)]
+        public UInt32 DeviceGroupMask;
+
+        [FieldOffset(620)]
+        public byte Reserved;
+
+        [FieldOffset(1127)] // 620 + 508 - 1
+        private byte ReservedEnd;
+    }
+    [SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", MessageId = "ModifiedTimeDate")]
+    [StructLayout(LayoutKind.Explicit, Pack = 2)]
+    public struct TW_FILESYSTEM_LEGACY
+    {
+        [FieldOffset(0)]
+        public TW_STR255 InputName;
+
+        [FieldOffset(256)]
+        public TW_STR255 OutputName;
+
+        [FieldOffset(512)]
+        public UInt32 Context;
+
+        [FieldOffset(516)]
+        public Int32 Recursive;
+        [FieldOffset(516)]
+        public UInt16 Subdirectories;
+
+        [FieldOffset(520)]
+        public Int32 FileType;
+        [FieldOffset(520)]
+        public UInt32 FileSystemType;
+
+        [FieldOffset(524)]
+        public UInt32 Size;
+
+        [FieldOffset(528)]
+        public TW_STR32 CreateTimeDate;
+
+        [FieldOffset(562)]
+        public TW_STR32 ModifiedTimeDate;
+
+        [FieldOffset(596)]
+        public UInt32 FreeSpace;
+
+        [FieldOffset(600)]
+        public UInt32 NewImageSize;
+
+        [FieldOffset(604)]
+        public UInt32 NumberOfFiles;
+
+        [FieldOffset(608)]
+        public UInt32 NumberOfSnippets;
+
+        [FieldOffset(612)]
+        public UInt32 DeviceGroupMask;
+
+        [FieldOffset(616)]
+        public byte Reserved;
+
+        [FieldOffset(1123)] // 616 + 508 - 1
+        private byte ReservedEnd;
+    }
+
+    /// <summary>
+    /// This structure is used by the application to specify a set of mapping values to be applied to grayscale data.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_GRAYRESPONSE
+    {
+        public TW_ELEMENT8 Response_00;
+    }
+
+    /// <summary>
+    /// A general way to describe the version of software that is running.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public partial struct TW_VERSION
+    {
+        public ushort MajorNum;
+        public ushort MinorNum;
+        public TWLG Language;
+        public TWCY Country;
+        public TW_STR32 Info;
+    }
+
+    /// <summary>
+    /// Provides identification information about a TWAIN entity.
+    /// The use of Padding is there to allow us to use the structure
+    /// with Linux 64-bit systems where the TW_INT32 and TW_UINT32
+    /// types were long, and therefore 64-bits in size.  This should
+    /// have no impact with well-behaved systems that have these types
+    /// as 32-bit, but should prevent memory corruption in all other
+    /// situations...
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public partial struct TW_IDENTITY
+    {
+        public ulong Id;
+        public TW_VERSION Version;
+        public ushort ProtocolMajor;
+        public ushort ProtocolMinor;
+        public uint SupportedGroups;
+        public TW_STR32 Manufacturer;
+        public TW_STR32 ProductFamily;
+        public TW_STR32 ProductName;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public partial struct TW_IDENTITY_LEGACY
+    {
+        public uint Id;
+        public TW_VERSION Version;
+        public ushort ProtocolMajor;
+        public ushort ProtocolMinor;
+        public uint SupportedGroups;
+        public TW_STR32 Manufacturer;
+        public TW_STR32 ProductFamily;
+        public TW_STR32 ProductName;
+        private UInt64 Padding; // accounts for Id and SupportedGroups
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public struct TW_IDENTITY_LINUX64
+    {
+        public ulong Id;
+        public TW_VERSION Version;
+        public ushort ProtocolMajor;
+        public ushort ProtocolMinor;
+        public ulong SupportedGroups;
+        public TW_STR32 Manufacturer;
+        public TW_STR32 ProductFamily;
+        public TW_STR32 ProductName;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public partial struct TW_IDENTITY_MACOSX
+    {
+        public uint Id;
+        public TW_VERSION Version;
+        public ushort ProtocolMajor;
+        public ushort ProtocolMinor;
+        private ushort padding;
+        public uint SupportedGroups;
+        public TW_STR32 Manufacturer;
+        public TW_STR32 ProductFamily;
+        public TW_STR32 ProductName;
+    }
+
+    /// <summary>
+    /// Describes the “real” image data, that is, the complete image being transferred between the Source and application.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_IMAGEINFO
+    {
+        public TW_FIX32 XResolution;
+        public TW_FIX32 YResolution;
+        public int ImageWidth;
+        public int ImageLength;
+        public short SamplesPerPixel;
+        public short BitsPerSample_0;
+        public short BitsPerSample_1;
+        public short BitsPerSample_2;
+        public short BitsPerSample_3;
+        public short BitsPerSample_4;
+        public short BitsPerSample_5;
+        public short BitsPerSample_6;
+        public short BitsPerSample_7;
+        public short BitsPerPixel;
+        public TW_BOOL Planar;
+        public TWPT PixelType;
+        public TWCP Compression;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_IMAGEINFO_LINUX64
+    {
+        public TW_FIX32 XResolution;
+        public TW_FIX32 YResolution;
+        public int ImageWidth;
+        public int ImageLength;
+        public short SamplesPerPixel;
+        public short BitsPerSample_0;
+        public short BitsPerSample_1;
+        public short BitsPerSample_2;
+        public short BitsPerSample_3;
+        public short BitsPerSample_4;
+        public short BitsPerSample_5;
+        public short BitsPerSample_6;
+        public short BitsPerSample_7;
+        public short BitsPerPixel;
+        public TW_BOOL Planar;
+        public TWPT PixelType;
+        public TWCP Compression;
+    }
+
+    /// <summary>
+    /// Involves information about the original size of the acquired image.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_IMAGELAYOUT
+    {
+        public TW_FRAME Frame;
+        public uint DocumentNumber;
+        public uint PageNumber;
+        public uint FrameNumber;
+    }
+
+    /// <summary>
+    /// Provides information for managing memory buffers.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_MEMORY
+    {
+        public uint Flags;
+        public uint Length;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr TheMem;
+    }
+
+    /// <summary>
+    /// Describes the form of the acquired data being passed from the Source to the application.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_IMAGEMEMXFER
+    {
+        public ushort Compression;
+        public uint BytesPerRow;
+        public uint Columns;
+        public uint Rows;
+        public uint XOffset;
+        public uint YOffset;
+        public uint BytesWritten;
+        public TW_MEMORY Memory;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_IMAGEMEMXFER_LINUX64
+    {
+        public ushort Compression;
+        public UInt64 BytesPerRow;
+        public UInt64 Columns;
+        public UInt64 Rows;
+        public UInt64 XOffset;
+        public UInt64 YOffset;
+        public UInt64 BytesWritten;
+        public UInt64 MemoryFlags;
+        public UInt64 MemoryLength;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr MemoryTheMem;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_IMAGEMEMXFER_MACOSX
+    {
+        public uint Compression;
+        public uint BytesPerRow;
+        public uint Columns;
+        public uint Rows;
+        public uint XOffset;
+        public uint YOffset;
+        public uint BytesWritten;
+        public TW_MEMORY Memory;
+    }
+
+    /// <summary>
+    /// Describes the information necessary to transfer a JPEG-compressed image.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_JPEGCOMPRESSION
+    {
+        public ushort ColorSpace;
+        public uint SubSampling;
+        public ushort NumComponents;
+        public ushort QuantMap_0;
+        public ushort QuantMap_1;
+        public ushort QuantMap_2;
+        public ushort QuantMap_3;
+        public TW_MEMORY QuantTable_0;
+        public TW_MEMORY QuantTable_1;
+        public TW_MEMORY QuantTable_2;
+        public TW_MEMORY QuantTable_3;
+        public ushort HuffmanMap_0;
+        public ushort HuffmanMap_1;
+        public ushort HuffmanMap_2;
+        public ushort HuffmanMap_3;
+        public TW_MEMORY HuffmanDC_0;
+        public TW_MEMORY HuffmanDC_1;
+        public TW_MEMORY HuffmanAC_0;
+        public TW_MEMORY HuffmanAC_2;
+    }
+
+    /// <summary>
+    /// Collects scanning metrics after returning to state 4
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_METRICS
+    {
+        public uint SizeOf;
+        public uint ImageCount;
+        public uint SheetCount;
+    }
+
+    /// <summary>
+    /// Stores a single value (item) which describes a capability.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_ONEVALUE
+    {
+        public TWTY ItemType;
+        // public uint Item;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    public struct TW_ONEVALUE_MACOSX
+    {
+        public uint ItemType;
+        // public uint Item;
+    }
+
+    /// <summary>
+    /// This structure holds the color palette information.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_PALETTE8
+    {
+        public ushort Flags;
+        public ushort Length;
+        public TW_ELEMENT8 Colors_000;
+    }
+
+    /// <summary>
+    /// Used to bypass the TWAIN protocol when communicating with a device.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_PASSTHRU
+    {
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr pCommand;
+        public uint CommandBytes;
+        public int Direction;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr pData;
+        public uint DataBytes;
+        public uint DataBytesXfered;
+    }
+
+    /// <summary>
+    /// This structure tells the application how many more complete transfers the Source currently has available.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_PENDINGXFERS
+    {
+        public TW_PENDINGXFERS()
+        {
+            Count = -1;
+        }
+
+        public short Count;
+        public uint EOJ;
+    }
+
+    /// <summary>
+    /// Stores a range of individual values describing a capability.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_RANGE
+    {
+        public TWTY ItemType;
+        public uint MinValue;
+        public uint MaxValue;
+        public uint StepSize;
+        public uint DefaultValue;
+        public uint CurrentValue;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_RANGE_LINUX64
+    {
+        public TWTY ItemType;
+        public ulong MinValue;
+        public ulong MaxValue;
+        public ulong StepSize;
+        public ulong DefaultValue;
+        public ulong CurrentValue;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    public struct TW_RANGE_MACOSX
+    {
+        public uint ItemType;
+        public uint MinValue;
+        public uint MaxValue;
+        public uint StepSize;
+        public uint DefaultValue;
+        public uint CurrentValue;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_RANGE_FIX32
+    {
+        public TWTY ItemType;
+        public TW_FIX32 MinValue;
+        public TW_FIX32 MaxValue;
+        public TW_FIX32 StepSize;
+        public TW_FIX32 DefaultValue;
+        public TW_FIX32 CurrentValue;
+    }
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    public struct TW_RANGE_FIX32_MACOSX
+    {
+        public uint ItemType;
+        public TW_FIX32 MinValue;
+        public TW_FIX32 MaxValue;
+        public TW_FIX32 StepSize;
+        public TW_FIX32 DefaultValue;
+        public TW_FIX32 CurrentValue;
+    }
+
+    /// <summary>
+    /// This structure is used by the application to specify a set of mapping values to be applied to RGB color data.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_RGBRESPONSE
+    {
+        public TW_ELEMENT8 Response_00;
+    }
+
+    /// <summary>
+    /// Describes the file format and file specification information for a transfer through a disk file.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public struct TW_SETUPFILEXFER
+    {
+        public TW_STR255 FileName;
+        public TWFF Format;
+        public short VRefNum;
+    }
+
+    /// <summary>
+    /// Provides the application information about the Source’s requirements and preferences regarding allocation of transfer buffer(s).
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_SETUPMEMXFER
+    {
+        public uint MinBufSize;
+        public uint MaxBufSize;
+        public uint Preferred;
+    }
+
+    /// <summary>
+    /// Describes the status of a source.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_STATUS
+    {
+        public TWCC ConditionCode;
+        public ushort Data;
+    }
+
+    /// <summary>
+    /// Translates the contents of Status into a localized UTF8string.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2)]
+    public partial struct TW_STATUSUTF8
+    {
+        public TW_STATUS Status;
+        public uint Size;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr UTF8string;
+    }
+
+    /// <summary>
+    /// Passthru for TWAIN Direct tasks.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public struct TW_TWAINDIRECT
+    {
+        public uint SizeOf;
+        public ushort CommunicationManager;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr Send;
+        public uint SendSize;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr Receive;
+        public uint ReceiveSize;
+    }
+
+    /// <summary>
+    /// This structure is used to handle the user interface coordination between an application and a Source.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 2, CharSet = CharSet.Ansi)]
+    public struct TW_USERINTERFACE
+    {
+        public ushort ShowUI;
+        public ushort ModalUI;
+        [SuppressMessage("Microsoft.Security", "CA2111:PointersShouldNotBeVisible")]
+        public IntPtr hParent;
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Generic Constants...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Generic Constants...
+
+    /// <summary>
+    /// Container Types...
+    /// </summary>
+    public enum TWON : ushort
+    {
+        ARRAY = 3,
+        ENUMERATION = 4,
+        ONEVALUE = 5,
+        RANGE = 6,
+
+        ICONID = 962,
+        DSMID = 461,
+        DSMCODEID = 63
+    }
+
+    ///// <summary>
+    ///// Don't care values...
+    ///// </summary>
+    //public const byte TWON_DONTCARE8 = 0xff;
+    //public const ushort TWON_DONTCARE16 = 0xff;
+    //public const uint TWON_DONTCARE32 = 0xffffffff;
+
+    /// <summary>
+    /// Flags used in TW_MEMORY structure.
+    /// </summary>
+    [Flags]
+    public enum TWMF : ushort
+    {
+        APPOWNS = 0x0001,
+        DSMOWNS = 0x0002,
+        DSOWNS = 0x0004,
+        POINTER = 0x0008,
+        HANDLE = 0x0010
+    }
+
+    /// <summary>
+    /// Type values...
+    /// </summary>
+    public enum TWTY : ushort
+    {
+        Invalid = 0xffff,
+
+        INT8 = 0x0000,
+        INT16 = 0x0001,
+        INT32 = 0x0002,
+
+        UINT8 = 0x0003,
+        UINT16 = 0x0004,
+        UINT32 = 0x0005,
+
+        BOOL = 0x0006,
+
+        FIX32 = 0x0007,
+
+        FRAME = 0x0008,
+
+        STR32 = 0x0009,
+        STR64 = 0x000a,
+        STR128 = 0x000b,
+        STR255 = 0x000c,
+        HANDLE = 0x000f
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Capability Constants...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Capability Constants...
+
+    /// <summary>
+    /// CAP_ALARMS values
+    /// </summary>
+    public enum TWAL : ushort
+    {
+        ALARM = 0,
+        FEEDERERROR = 1,
+        FEEDERWARNING = 2,
+        BARCODE = 3,
+        DOUBLEFEED = 4,
+        JAM = 5,
+        PATCHCODE = 6,
+        POWER = 7,
+        SKEW = 8
+    }
+
+    /// <summary>
+    /// ICAP_AUTOSIZE values
+    /// </summary>
+    public enum TWAS : ushort
+    {
+        NONE = 0,
+        AUTO = 1,
+        CURRENT = 2
+    }
+
+    /// <summary>
+    /// TWEI_BARCODEROTATION values
+    /// </summary>
+    public enum TWBCOR : ushort
+    {
+        ROT0 = 0,
+        ROT90 = 1,
+        ROT180 = 2,
+        ROT270 = 3,
+        ROTX = 4
+    }
+
+    /// <summary>
+    /// ICAP_BARCODESEARCHMODE values
+    /// </summary>
+    public enum TWBD : ushort
+    {
+        HORZ = 0,
+        VERT = 1,
+        HORZVERT = 2,
+        VERTHORZ = 3
+    }
+
+    /// <summary>
+    /// ICAP_BITORDER values
+    /// </summary>
+    public enum TWBO : ushort
+    {
+        LSBFIRST = 0,
+        MSBFIRST = 1
+    }
+
+    /// <summary>
+    /// ICAP_AUTODISCARDBLANKPAGES values
+    /// </summary>
+    public enum TWBP : short
+    {
+        DISABLE = -2,
+        AUTO = -1
+    }
+
+    /// <summary>
+    /// ICAP_BITDEPTHREDUCTION values
+    /// </summary>
+    public enum TWBR : ushort
+    {
+        THRESHOLD = 0,
+        HALFTONE = 1,
+        CUSTHALFTONE = 2,
+        DIFFUSION = 3,
+        DYNAMICTHRESHOLD = 4
+    }
+
+    /// <summary>
+    /// ICAP_SUPPORTEDBARCODETYPES and TWEI_BARCODETYPE values
+    /// </summary>
+    public enum TWBT : ushort
+    {
+        X3OF9 = 0, // 3OF9 in H
+        X2OF5INTERLEAVED = 1, // 2OF5INTERLEAVED in H
+        X2OF5NONINTERLEAVED = 2, // 2OF5NONINTERLEAVED in H
+        CODE93 = 3,
+        CODE128 = 4,
+        UCC128 = 5,
+        CODABAR = 6,
+        UPCA = 7,
+        UPCE = 8,
+        EAN8 = 9,
+        EAN13 = 10,
+        POSTNET = 11,
+        PDF417 = 12,
+        X2OF5INDUSTRIAL = 13, // 2OF5INDUSTRIAL in H
+        X2OF5MATRIX = 14, // 2OF5MATRIX in H
+        X2OF5DATALOGIC = 15, // 2OF5DATALOGIC in H
+        X2OF5IATA = 16, // 2OF5IATA in H
+        X3OF9FULLASCII = 17, // 3OF9FULLASCII in H
+        CODABARWITHSTARTSTOP = 18,
+        MAXICODE = 19,
+        QRCODE = 20
+    }
+
+    /// <summary>
+    /// ICAP_COMPRESSION values
+    /// </summary>
+    public enum TWCP : ushort
+    {
+        NONE = 0,
+        PACKBITS = 1,
+        GROUP31D = 2,
+        GROUP31DEOL = 3,
+        GROUP32D = 4,
+        GROUP4 = 5,
+        JPEG = 6,
+        LZW = 7,
+        JBIG = 8,
+        PNG = 9,
+        RLE4 = 10,
+        RLE8 = 11,
+        BITFIELDS = 12,
+        ZIP = 13,
+        JPEG2000 = 14
+    }
+
+    /// <summary>
+    /// CAP_CAMERASIDE and TWEI_PAGESIDE values
+    /// </summary>
+    public enum TWCS : ushort
+    {
+        BOTH = 0,
+        TOP = 1,
+        BOTTOM = 2
+    }
+
+    /// <summary>
+    /// CAP_CLEARBUFFERS values
+    /// </summary>
+    public enum TWCB : ushort
+    {
+        AUTO = 0,
+        CLEAR = 1,
+        NOCLEAR = 2
+    }
+
+    /// <summary>
+    /// CAP_DEVICEEVENT values
+    /// </summary>
+    public enum TWDE : ushort
+    {
+        CUSTOMEVENTS = 0x8000,
+        CHECKAUTOMATICCAPTURE = 0,
+        CHECKBATTERY = 1,
+        CHECKDEVICEONLINE = 2,
+        CHECKFLASH = 3,
+        CHECKPOWERSUPPLY = 4,
+        CHECKRESOLUTION = 5,
+        DEVICEADDED = 6,
+        DEVICEOFFLINE = 7,
+        DEVICEREADY = 8,
+        DEVICEREMOVED = 9,
+        IMAGECAPTURED = 10,
+        IMAGEDELETED = 11,
+        PAPERDOUBLEFEED = 12,
+        PAPERJAM = 13,
+        LAMPFAILURE = 14,
+        POWERSAVE = 15,
+        POWERSAVENOTIFY = 16
+    }
+
+    /// <summary>
+    /// TW_PASSTHRU.Direction values
+    /// </summary>
+    public enum TWDR : ushort
+    {
+        GET = 1,
+        SET = 2
+    }
+
+    /// <summary>
+    /// TWEI_DESKEWSTATUS values
+    /// </summary>
+    public enum TWDSK : ushort
+    {
+        SUCCESS = 0,
+        REPORTONLY = 1,
+        FAIL = 2,
+        DISABLED = 3
+    }
+
+    /// <summary>
+    /// CAP_DUPLEX values
+    /// </summary>
+    public enum TWDX : ushort
+    {
+        NONE = 0,
+        X1PASSDUPLEX = 1, // 1PASSDUPLEX in H
+        X2PASSDUPLEX = 2  // 2PASSDUPLEX in H
+    }
+
+    /// <summary>
+    /// CAP_FEEDERALIGNMENT values
+    /// </summary>
+    public enum TWFA : ushort
+    {
+        NONE = 0,
+        LEFT = 1,
+        CENTER = 2,
+        RIGHT = 3
+    }
+
+    /// <summary>
+    /// ICAP_FEEDERTYPE values
+    /// </summary>
+    public enum TWFE : ushort
+    {
+        GENERAL = 0,
+        PHOTO = 1
+    }
+
+    /// <summary>
+    /// ICAP_IMAGEFILEFORMAT values
+    /// </summary>
+    public enum TWFF : ushort
+    {
+        TIFF = 0,
+        PICT = 1,
+        BMP = 2,
+        XBM = 3,
+        JFIF = 4,
+        FPX = 5,
+        TIFFMULTI = 6,
+        PNG = 7,
+        SPIFF = 8,
+        EXIF = 9,
+        PDF = 10,
+        JP2 = 11,
+        JPX = 13,
+        DEJAVU = 14,
+        PDFA = 15,
+        PDFA2 = 16,
+        PDFRASTER = 17
+    }
+
+    /// <summary>
+    /// ICAP_FLASHUSED2 values
+    /// </summary>
+    public enum TWFL : ushort
+    {
+        NONE = 0,
+        OFF = 1,
+        ON = 2,
+        AUTO = 3,
+        REDEYE = 4
+    }
+
+    /// <summary>
+    /// CAP_FEEDERORDER values
+    /// </summary>
+    public enum TWFO : ushort
+    {
+        FIRSTPAGEFIRST = 0,
+        LASTPAGEFIRST = 1
+    }
+
+    /// <summary>
+    /// CAP_FEEDERPOCKET values
+    /// </summary>
+    public enum TWFP : ushort
+    {
+        POCKETERROR = 0,
+        POCKET1 = 1,
+        POCKET2 = 2,
+        POCKET3 = 3,
+        POCKET4 = 4,
+        POCKET5 = 5,
+        POCKET6 = 6,
+        POCKET7 = 7,
+        POCKET8 = 8,
+        POCKET9 = 9,
+        POCKET10 = 10,
+        POCKET11 = 11,
+        POCKET12 = 12,
+        POCKET13 = 13,
+        POCKET14 = 14,
+        POCKET15 = 15,
+        POCKET16 = 16
+    }
+
+    /// <summary>
+    /// ICAP_FLIPROTATION values
+    /// </summary>
+    public enum TWFR : ushort
+    {
+        BOOK = 0,
+        FANFOLD = 1
+    }
+
+    /// <summary>
+    /// ICAP_FILTER values
+    /// </summary>
+    public enum TWFT : ushort
+    {
+        RED = 0,
+        GREEN = 1,
+        BLUE = 2,
+        NONE = 3,
+        WHITE = 4,
+        CYAN = 5,
+        MAGENTA = 6,
+        YELLOW = 7,
+        BLACK = 8
+    }
+
+    /// <summary>
+    /// TW_FILESYSTEM.FileType values
+    /// </summary>
+    public enum TWFY : ushort
+    {
+        CAMERA = 0,
+        CAMERATOP = 1,
+        CAMERABOTTOM = 2,
+        CAMERAPREVIEW = 3,
+        DOMAIN = 4,
+        HOST = 5,
+        DIRECTORY = 6,
+        IMAGE = 7,
+        UNKNOWN = 8
+    }
+
+    ///
+    /// CAP_IAFIELD*_LEVEL values
+    ///
+    public enum TWIA : ushort
+    {
+        UNUSED = 0,
+        FIXED = 1,
+        LEVEL1 = 2,
+        LEVEL2 = 3,
+        LEVEL3 = 4,
+        LEVEL4 = 5
+    }
+
+    /// <summary>
+    /// ICAP_ICCPROFILE values
+    /// </summary>
+    public enum TWIC : ushort
+    {
+        NONE = 0,
+        LINK = 1,
+        EMBED = 2
+    }
+
+    /// <summary>
+    /// ICAP_IMAGEFILTER values
+    /// </summary>
+    public enum TWIF : ushort
+    {
+        NONE = 0,
+        AUTO = 1,
+        LOWPASS = 2,
+        BANDPASS = 3,
+        HIGHPASS = 4,
+        TEXT = BANDPASS,
+        FINELINE = HIGHPASS
+    }
+
+    /// <summary>
+    /// ICAP_IMAGEMERGE values
+    /// </summary>
+    public enum TWIM : ushort
+    {
+        NONE = 0,
+        FRONTONTOP = 1,
+        FRONTONBOTTOM = 2,
+        FRONTONLEFT = 3,
+        FRONTONRIGHT = 4
+    }
+
+    /// <summary>
+    /// CAP_JOBCONTROL values
+    /// </summary>
+    public enum TWJC : ushort
+    {
+        NONE = 0,
+        JSIC = 1,
+        JSIS = 2,
+        JSXC = 3,
+        JSXS = 4
+    }
+
+    /// <summary>
+    /// ICAP_JPEGQUALITY values
+    /// </summary>
+    public enum TWJQ : short
+    {
+        UNKNOWN = -4,
+        LOW = -3,
+        MEDIUM = -2,
+        HIGH = -1
+    }
+
+    /// <summary>
+    /// ICAP_LIGHTPATH values
+    /// </summary>
+    public enum TWLP : ushort
+    {
+        REFLECTIVE = 0,
+        TRANSMISSIVE = 1
+    }
+
+    /// <summary>
+    /// ICAP_LIGHTSOURCE values
+    /// </summary>
+    public enum TWLS : ushort
+    {
+        RED = 0,
+        GREEN = 1,
+        BLUE = 2,
+        NONE = 3,
+        WHITE = 4,
+        UV = 5,
+        IR = 6
+    }
+
+    /// <summary>
+    /// TWEI_MAGTYPE values
+    /// </summary>
+    public enum TWMD : ushort
+    {
+        MICR = 0,
+        RAW = 1,
+        INVALID = 2
+    }
+
+    /// <summary>
+    /// ICAP_NOISEFILTER values
+    /// </summary>
+    public enum TWNF : ushort
+    {
+        NONE = 0,
+        AUTO = 1,
+        LONEPIXEL = 2,
+        MAJORITYRULE = 3
+    }
+
+    /// <summary>
+    /// ICAP_ORIENTATION values
+    /// </summary>
+    public enum TWOR : ushort
+    {
+        ROT0 = 0,
+        ROT90 = 1,
+        ROT180 = 2,
+        ROT270 = 3,
+        PORTRAIT = ROT0,
+        LANDSCAPE = ROT270,
+        AUTO = 4,
+        AUTOTEXT = 5,
+        AUTOPICTURE = 6
+    }
+
+    /// <summary>
+    /// ICAP_OVERSCAN values
+    /// </summary>
+    public enum TWOV : ushort
+    {
+        NONE = 0,
+        AUTO = 1,
+        TOPBOTTOM = 2,
+        LEFTRIGHT = 3,
+        ALL = 4
+    }
+
+    /// <summary>
+    /// Palette types for TW_PALETTE8
+    /// </summary>
+    public enum TWPA : ushort
+    {
+        RGB = 0,
+        GRAY = 1,
+        CMY = 2
+    }
+
+    /// <summary>
+    /// ICAP_PLANARCHUNKY values
+    /// </summary>
+    public enum TWPC : ushort
+    {
+        CHUNKY = 0,
+        PLANAR = 1
+    }
+
+    /// <summary>
+    /// TWEI_PATCHCODE values
+    /// </summary>
+    public enum TWPCH : ushort
+    {
+        PATCH1 = 0,
+        PATCH2 = 1,
+        PATCH3 = 2,
+        PATCH4 = 3,
+        PATCH6 = 4,
+        PATCHT = 5
+    }
+
+    /// <summary>
+    /// ICAP_PIXELFLAVOR values
+    /// </summary>
+    public enum TWPF : ushort
+    {
+        CHOCOLATE = 0,
+        VANILLA = 1
+    }
+
+    /// <summary>
+    /// CAP_PRINTERMODE values
+    /// </summary>
+    public enum TWPM : ushort
+    {
+        SINGLESTRING = 0,
+        MULTISTRING = 1,
+        COMPOUNDSTRING = 2,
+        IMAGEADDRESSSTRING = 3
+    }
+
+    /// <summary>
+    /// CAP_PRINTER values
+    /// </summary>
+    public enum TWPR : ushort
+    {
+        IMPRINTERTOPBEFORE = 0,
+        IMPRINTERTOPAFTER = 1,
+        IMPRINTERBOTTOMBEFORE = 2,
+        IMPRINTERBOTTOMAFTER = 3,
+        ENDORSERTOPBEFORE = 4,
+        ENDORSERTOPAFTER = 5,
+        ENDORSERBOTTOMBEFORE = 6,
+        ENDORSERBOTTOMAFTER = 7
+    }
+
+    /// <summary>
+    /// CAP_PRINTERFONTSTYLE Added 2.3 (TWPF in H)
+    /// </summary>
+    public enum TWPFS : ushort
+    {
+        NORMAL = 0,
+        BOLD = 1,
+        ITALIC = 2,
+        LARGESIZE = 3,
+        SMALLSIZE = 4
+    }
+
+    /// <summary>
+    /// CAP_PRINTERINDEXTRIGGER Added 2.3
+    /// </summary>
+    public enum TWCT : ushort
+    {
+        PAGE = 0,
+        PATCH1 = 1,
+        PATCH2 = 2,
+        PATCH3 = 3,
+        PATCH4 = 4,
+        PATCHT = 5,
+        PATCH6 = 6
+    }
+
+    /// <summary>
+    /// CAP_POWERSUPPLY values
+    /// </summary>
+    public enum TWPS : ushort
+    {
+        EXTERNAL = 0,
+        BATTERY = 1
+    }
+
+    /// <summary>
+    /// ICAP_PIXELTYPE values (PT_ means Pixel Type)
+    /// </summary>
+    public enum TWPT : ushort
+    {
+        BW = 0,
+        GRAY = 1,
+        RGB = 2,
+        PALETTE = 3,
+        CMY = 4,
+        CMYK = 5,
+        YUV = 6,
+        YUVK = 7,
+        CIEXYZ = 8,
+        LAB = 9,
+        SRGB = 10,
+        SCRGB = 11,
+        INFRARED = 16
+    }
+
+    /// <summary>
+    /// CAP_SEGMENTED values
+    /// </summary>
+    public enum TWSG : ushort
+    {
+        NONE = 0,
+        AUTO = 1,
+        MANUAL = 2
+    }
+
+    /// <summary>
+    /// ICAP_FILMTYPE values
+    /// </summary>
+    public enum TWFM : ushort
+    {
+        POSITIVE = 0,
+        NEGATIVE = 1
+    }
+
+    /// <summary>
+    /// CAP_DOUBLEFEEDDETECTION values
+    /// </summary>
+    public enum TWDF : ushort
+    {
+        ULTRASONIC = 0,
+        BYLENGTH = 1,
+        INFRARED = 2
+    }
+
+    /// <summary>
+    /// CAP_DOUBLEFEEDDETECTIONSENSITIVITY values
+    /// </summary>
+    public enum TWUS : ushort
+    {
+        LOW = 0,
+        MEDIUM = 1,
+        HIGH = 2
+    }
+
+    /// <summary>
+    /// CAP_DOUBLEFEEDDETECTIONRESPONSE values
+    /// </summary>
+    public enum TWDP : ushort
+    {
+        STOP = 0,
+        STOPANDWAIT = 1,
+        SOUND = 2,
+        DONOTIMPRINT = 3
+    }
+
+    /// <summary>
+    /// ICAP_MIRROR values
+    /// </summary>
+    public enum TWMR : ushort
+    {
+        NONE = 0,
+        VERTICAL = 1,
+        HORIZONTAL = 2
+    }
+
+    /// <summary>
+    /// ICAP_JPEGSUBSAMPLING values
+    /// </summary>
+    public enum TWJS : ushort
+    {
+        X444YCBCR = 0, // 444YCBCR in H
+        X444RGB = 1, // 444RGB in H
+        X422 = 2, // 422 in H
+        X421 = 3, // 421 in H
+        X411 = 4, // 411 in H
+        X420 = 5, // 420 in H
+        X410 = 6, // 410 in H
+        X311 = 7  // 311 in H
+    }
+
+    /// <summary>
+    /// CAP_PAPERHANDLING values
+    /// </summary>
+    public enum TWPH : ushort
+    {
+        NORMAL = 0,
+        FRAGILE = 1,
+        THICK = 2,
+        TRIFOLD = 3,
+        PHOTOGRAPH = 4
+    }
+
+    /// <summary>
+    /// CAP_INDICATORSMODE values
+    /// </summary>
+    public enum TWCI : ushort
+    {
+        INFO = 0,
+        WARNING = 1,
+        ERROR = 2,
+        WARMUP = 3
+    }
+
+    /// <summary>
+    /// ICAP_SUPPORTEDSIZES values (SS_ means Supported Sizes)
+    /// </summary>
+    public enum TWSS : ushort
+    {
+        NONE = 0,
+        A4 = 1,
+        JISB5 = 2,
+        USLETTER = 3,
+        USLEGAL = 4,
+        A5 = 5,
+        ISOB4 = 6,
+        ISOB6 = 7,
+        USLEDGER = 9,
+        USEXECUTIVE = 10,
+        A3 = 11,
+        ISOB3 = 12,
+        A6 = 13,
+        C4 = 14,
+        C5 = 15,
+        C6 = 16,
+        X4A0 = 17, // 4A0 in H
+        X2A0 = 18, // 2A0 in H
+        A0 = 19,
+        A1 = 20,
+        A2 = 21,
+        A7 = 22,
+        A8 = 23,
+        A9 = 24,
+        A10 = 25,
+        ISOB0 = 26,
+        ISOB1 = 27,
+        ISOB2 = 28,
+        ISOB5 = 29,
+        ISOB7 = 30,
+        ISOB8 = 31,
+        ISOB9 = 32,
+        ISOB10 = 33,
+        JISB0 = 34,
+        JISB1 = 35,
+        JISB2 = 36,
+        JISB3 = 37,
+        JISB4 = 38,
+        JISB6 = 39,
+        JISB7 = 40,
+        JISB8 = 41,
+        JISB9 = 42,
+        JISB10 = 43,
+        C0 = 44,
+        C1 = 45,
+        C2 = 46,
+        C3 = 47,
+        C7 = 48,
+        C8 = 49,
+        C9 = 50,
+        C10 = 51,
+        USSTATEMENT = 52,
+        BUSINESSCARD = 53,
+        MAXSIZE = 54
+    }
+
+    /// <summary>
+    /// ICAP_XFERMECH values (SX_ means Setup XFer)
+    /// </summary>
+    public enum TWSX : ushort
+    {
+        NATIVE = 0,
+        FILE = 1,
+        MEMORY = 2,
+        MEMFILE = 4
+    }
+
+    /// <summary>
+    /// ICAP_UNITS values (UN_ means UNits)
+    /// </summary>
+    public enum TWUN : ushort
+    {
+        INCHES = 0,
+        CENTIMETERS = 1,
+        PICAS = 2,
+        POINTS = 3,
+        TWIPS = 4,
+        PIXELS = 5,
+        MILLIMETERS = 6
+    }
+
+    /// <summary>
+    /// Country Constants
+    /// </summary>
+    public enum TWCY : ushort
+    {
+        AFGHANISTAN = 1001,
+        ALGERIA = 213,
+        AMERICANSAMOA = 684,
+        ANDORRA = 33,
+        ANGOLA = 1002,
+        ANGUILLA = 8090,
+        ANTIGUA = 8091,
+        ARGENTINA = 54,
+        ARUBA = 297,
+        ASCENSIONI = 247,
+        AUSTRALIA = 61,
+        AUSTRIA = 43,
+        BAHAMAS = 8092,
+        BAHRAIN = 973,
+        BANGLADESH = 880,
+        BARBADOS = 8093,
+        BELGIUM = 32,
+        BELIZE = 501,
+        BENIN = 229,
+        BERMUDA = 8094,
+        BHUTAN = 1003,
+        BOLIVIA = 591,
+        BOTSWANA = 267,
+        BRITAIN = 6,
+        BRITVIRGINIS = 8095,
+        BRAZIL = 55,
+        BRUNEI = 673,
+        BULGARIA = 359,
+        BURKINAFASO = 1004,
+        BURMA = 1005,
+        BURUNDI = 1006,
+        CAMAROON = 237,
+        CANADA = 2,
+        CAPEVERDEIS = 238,
+        CAYMANIS = 8096,
+        CENTRALAFREP = 1007,
+        CHAD = 1008,
+        CHILE = 56,
+        CHINA = 86,
+        CHRISTMASIS = 1009,
+        COCOSIS = 1009,
+        COLOMBIA = 57,
+        COMOROS = 1010,
+        CONGO = 1011,
+        COOKIS = 1012,
+        COSTARICA = 506,
+        CUBA = 5,
+        CYPRUS = 357,
+        CZECHOSLOVAKIA = 42,
+        DENMARK = 45,
+        DJIBOUTI = 1013,
+        DOMINICA = 8097,
+        DOMINCANREP = 8098,
+        EASTERIS = 1014,
+        ECUADOR = 593,
+        EGYPT = 20,
+        ELSALVADOR = 503,
+        EQGUINEA = 1015,
+        ETHIOPIA = 251,
+        FALKLANDIS = 1016,
+        FAEROEIS = 298,
+        FIJIISLANDS = 679,
+        FINLAND = 358,
+        FRANCE = 33,
+        FRANTILLES = 596,
+        FRGUIANA = 594,
+        FRPOLYNEISA = 689,
+        FUTANAIS = 1043,
+        GABON = 241,
+        GAMBIA = 220,
+        GERMANY = 49,
+        GHANA = 233,
+        GIBRALTER = 350,
+        GREECE = 30,
+        GREENLAND = 299,
+        GRENADA = 8099,
+        GRENEDINES = 8015,
+        GUADELOUPE = 590,
+        GUAM = 671,
+        GUANTANAMOBAY = 5399,
+        GUATEMALA = 502,
+        GUINEA = 224,
+        GUINEABISSAU = 1017,
+        GUYANA = 592,
+        HAITI = 509,
+        HONDURAS = 504,
+        HONGKONG = 852,
+        HUNGARY = 36,
+        ICELAND = 354,
+        INDIA = 91,
+        INDONESIA = 62,
+        IRAN = 98,
+        IRAQ = 964,
+        IRELAND = 353,
+        ISRAEL = 972,
+        ITALY = 39,
+        IVORYCOAST = 225,
+        JAMAICA = 8010,
+        JAPAN = 81,
+        JORDAN = 962,
+        KENYA = 254,
+        KIRIBATI = 1018,
+        KOREA = 82,
+        KUWAIT = 965,
+        LAOS = 1019,
+        LEBANON = 1020,
+        LIBERIA = 231,
+        LIBYA = 218,
+        LIECHTENSTEIN = 41,
+        LUXENBOURG = 352,
+        MACAO = 853,
+        MADAGASCAR = 1021,
+        MALAWI = 265,
+        MALAYSIA = 60,
+        MALDIVES = 960,
+        MALI = 1022,
+        MALTA = 356,
+        MARSHALLIS = 692,
+        MAURITANIA = 1023,
+        MAURITIUS = 230,
+        MEXICO = 3,
+        MICRONESIA = 691,
+        MIQUELON = 508,
+        MONACO = 33,
+        MONGOLIA = 1024,
+        MONTSERRAT = 8011,
+        MOROCCO = 212,
+        MOZAMBIQUE = 1025,
+        NAMIBIA = 264,
+        NAURU = 1026,
+        NEPAL = 977,
+        NETHERLANDS = 31,
+        NETHANTILLES = 599,
+        NEVIS = 8012,
+        NEWCALEDONIA = 687,
+        NEWZEALAND = 64,
+        NICARAGUA = 505,
+        NIGER = 227,
+        NIGERIA = 234,
+        NIUE = 1027,
+        NORFOLKI = 1028,
+        NORWAY = 47,
+        OMAN = 968,
+        PAKISTAN = 92,
+        PALAU = 1029,
+        PANAMA = 507,
+        PARAGUAY = 595,
+        PERU = 51,
+        PHILLIPPINES = 63,
+        PITCAIRNIS = 1030,
+        PNEWGUINEA = 675,
+        POLAND = 48,
+        PORTUGAL = 351,
+        QATAR = 974,
+        REUNIONI = 1031,
+        ROMANIA = 40,
+        RWANDA = 250,
+        SAIPAN = 670,
+        SANMARINO = 39,
+        SAOTOME = 1033,
+        SAUDIARABIA = 966,
+        SENEGAL = 221,
+        SEYCHELLESIS = 1034,
+        SIERRALEONE = 1035,
+        SINGAPORE = 65,
+        SOLOMONIS = 1036,
+        SOMALI = 1037,
+        SOUTHAFRICA = 27,
+        SPAIN = 34,
+        SRILANKA = 94,
+        STHELENA = 1032,
+        STKITTS = 8013,
+        STLUCIA = 8014,
+        STPIERRE = 508,
+        STVINCENT = 8015,
+        SUDAN = 1038,
+        SURINAME = 597,
+        SWAZILAND = 268,
+        SWEDEN = 46,
+        SWITZERLAND = 41,
+        SYRIA = 1039,
+        TAIWAN = 886,
+        TANZANIA = 255,
+        THAILAND = 66,
+        TOBAGO = 8016,
+        TOGO = 228,
+        TONGAIS = 676,
+        TRINIDAD = 8016,
+        TUNISIA = 216,
+        TURKEY = 90,
+        TURKSCAICOS = 8017,
+        TUVALU = 1040,
+        UGANDA = 256,
+        USSR = 7,
+        UAEMIRATES = 971,
+        UNITEDKINGDOM = 44,
+        USA = 1,
+        URUGUAY = 598,
+        VANUATU = 1041,
+        VATICANCITY = 39,
+        VENEZUELA = 58,
+        WAKE = 1042,
+        WALLISIS = 1043,
+        WESTERNSAHARA = 1044,
+        WESTERNSAMOA = 1045,
+        YEMEN = 1046,
+        YUGOSLAVIA = 38,
+        ZAIRE = 243,
+        ZAMBIA = 260,
+        ZIMBABWE = 263,
+        ALBANIA = 355,
+        ARMENIA = 374,
+        AZERBAIJAN = 994,
+        BELARUS = 375,
+        BOSNIAHERZGO = 387,
+        CAMBODIA = 855,
+        CROATIA = 385,
+        CZECHREPUBLIC = 420,
+        DIEGOGARCIA = 246,
+        ERITREA = 291,
+        ESTONIA = 372,
+        GEORGIA = 995,
+        LATVIA = 371,
+        LESOTHO = 266,
+        LITHUANIA = 370,
+        MACEDONIA = 389,
+        MAYOTTEIS = 269,
+        MOLDOVA = 373,
+        MYANMAR = 95,
+        NORTHKOREA = 850,
+        PUERTORICO = 787,
+        RUSSIA = 7,
+        SERBIA = 381,
+        SLOVAKIA = 421,
+        SLOVENIA = 386,
+        SOUTHKOREA = 82,
+        UKRAINE = 380,
+        USVIRGINIS = 340,
+        VIETNAM = 84
+    }
+
+    /// <summary>
+    /// Language Constants
+    /// </summary>
+    public enum TWLG : short
+    {
+        USERLOCALE = -1,
+        DAN = 0,
+        DUT = 1,
+        ENG = 2,
+        FCF = 3,
+        FIN = 4,
+        FRN = 5,
+        GER = 6,
+        ICE = 7,
+        ITN = 8,
+        NOR = 9,
+        POR = 10,
+        SPA = 11,
+        SWE = 12,
+        USA = 13,
+        AFRIKAANS = 14,
+        ALBANIA = 15,
+        ARABIC = 16,
+        ARABIC_ALGERIA = 17,
+        ARABIC_BAHRAIN = 18,
+        ARABIC_EGYPT = 19,
+        ARABIC_IRAQ = 20,
+        ARABIC_JORDAN = 21,
+        ARABIC_KUWAIT = 22,
+        ARABIC_LEBANON = 23,
+        ARABIC_LIBYA = 24,
+        ARABIC_MOROCCO = 25,
+        ARABIC_OMAN = 26,
+        ARABIC_QATAR = 27,
+        ARABIC_SAUDIARABIA = 28,
+        ARABIC_SYRIA = 29,
+        ARABIC_TUNISIA = 30,
+        ARABIC_UAE = 31,
+        ARABIC_YEMEN = 32,
+        BASQUE = 33,
+        BYELORUSSIAN = 34,
+        BULGARIAN = 35,
+        CATALAN = 36,
+        CHINESE = 37,
+        CHINESE_HONGKONG = 38,
+        CHINESE_PRC = 39,
+        CHINESE_SINGAPORE = 40,
+        CHINESE_SIMPLIFIED = 41,
+        CHINESE_TAIWAN = 42,
+        CHINESE_TRADITIONAL = 43,
+        CROATIA = 44,
+        CZECH = 45,
+        DANISH = DAN,
+        DUTCH = DUT,
+        DUTCH_BELGIAN = 46,
+        ENGLISH = ENG,
+        ENGLISH_AUSTRALIAN = 47,
+        ENGLISH_CANADIAN = 48,
+        ENGLISH_IRELAND = 49,
+        ENGLISH_NEWZEALAND = 50,
+        ENGLISH_SOUTHAFRICA = 51,
+        ENGLISH_UK = 52,
+        ENGLISH_USA = USA,
+        ESTONIAN = 53,
+        FAEROESE = 54,
+        FARSI = 55,
+        FINNISH = FIN,
+        FRENCH = FRN,
+        FRENCH_BELGIAN = 56,
+        FRENCH_CANADIAN = FCF,
+        FRENCH_LUXEMBOURG = 57,
+        FRENCH_SWISS = 58,
+        GERMAN = GER,
+        GERMAN_AUSTRIAN = 59,
+        GERMAN_LUXEMBOURG = 60,
+        GERMAN_LIECHTENSTEIN = 61,
+        GERMAN_SWISS = 62,
+        GREEK = 63,
+        HEBREW = 64,
+        HUNGARIAN = 65,
+        ICELANDIC = ICE,
+        INDONESIAN = 66,
+        ITALIAN = ITN,
+        ITALIAN_SWISS = 67,
+        JAPANESE = 68,
+        KOREAN = 69,
+        KOREAN_JOHAB = 70,
+        LATVIAN = 71,
+        LITHUANIAN = 72,
+        NORWEGIAN = NOR,
+        NORWEGIAN_BOKMAL = 73,
+        NORWEGIAN_NYNORSK = 74,
+        POLISH = 75,
+        PORTUGUESE = POR,
+        PORTUGUESE_BRAZIL = 76,
+        ROMANIAN = 77,
+        RUSSIAN = 78,
+        SERBIAN_LATIN = 79,
+        SLOVAK = 80,
+        SLOVENIAN = 81,
+        SPANISH = TWLG.SPA,
+        SPANISH_MEXICAN = 82,
+        SPANISH_MODERN = 83,
+        SWEDISH = TWLG.SWE,
+        THAI = 84,
+        TURKISH = 85,
+        UKRANIAN = 86,
+        ASSAMESE = 87,
+        BENGALI = 88,
+        BIHARI = 89,
+        BODO = 90,
+        DOGRI = 91,
+        GUJARATI = 92,
+        HARYANVI = 93,
+        HINDI = 94,
+        KANNADA = 95,
+        KASHMIRI = 96,
+        MALAYALAM = 97,
+        MARATHI = 98,
+        MARWARI = 99,
+        MEGHALAYAN = 100,
+        MIZO = 101,
+        NAGA = 102,
+        ORISSI = 103,
+        PUNJABI = 104,
+        PUSHTU = 105,
+        SERBIAN_CYRILLIC = 106,
+        SIKKIMI = 107,
+        SWEDISH_FINLAND = 108,
+        TAMIL = 109,
+        TELUGU = 110,
+        TRIPURI = 111,
+        URDU = 112,
+        VIETNAMESE = 113
+        //NOTE: when adding to this list, also update Language->Set()
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Data Groups...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Data Groups...
+
+    /// <summary>
+    /// Data Groups...
+    /// </summary>
+    [Flags]
+    public enum DG : uint
+    {
+        CONTROL = 0x1,
+        IMAGE = 0x2,
+        AUDIO = 0x4,
+
+        // More Data Functionality may be added in the future.
+        // These are for items that need to be determined before DS is opened.
+        // NOTE: Supported Functionality constants must be powers of 2 as they are
+        //       used as bitflags when Application asks DSM to present a list of DSs.
+        //       to support backward capability the App and DS will not use the fields
+        DSM2 = 0x10000000,
+        APP2 = 0x20000000,
+        DS2 = 0x40000000,
+        MASK = 0xFFFF
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Data Argument Types...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Data Argument Types...
+
+    /// <summary>
+    /// Data Argument Types...
+    /// </summary>
+    public enum DAT : ushort
+    {
+        // NULL and Custom Base...
+        NULL = 0x0,
+        CUSTOM = 0x8000,
+
+        // Data Argument Types for the DG_CONTROL Data Group.
+        CAPABILITY = 0x1,
+        EVENT = 0x2,
+        IDENTITY = 0x3,
+        PARENT = 0x4,
+        PENDINGXFERS = 0x5,
+        SETUPMEMXFER = 0x6,
+        SETUPFILEXFER = 0x7,
+        STATUS = 0x8,
+        USERINTERFACE = 0x9,
+        XFERGROUP = 0xa,
+        CUSTOMDSDATA = 0xc,
+        DEVICEEVENT = 0xd,
+        FILESYSTEM = 0xe,
+        PASSTHRU = 0xf,
+        CALLBACK = 0x10,
+        STATUSUTF8 = 0x11,
+        CALLBACK2 = 0x12,
+        METRICS = 0x13,
+        TWAINDIRECT = 0x14,
+
+        // Data Argument Types for the DG_IMAGE Data Group.
+        IMAGEINFO = 0x0101,
+        IMAGELAYOUT = 0x0102,
+        IMAGEMEMXFER = 0x0103,
+        IMAGENATIVEXFER = 0x0104,
+        IMAGEFILEXFER = 0x105,
+        CIECOLOR = 0x106,
+        GRAYRESPONSE = 0x107,
+        RGBRESPONSE = 0x108,
+        JPEGCOMPRESSION = 0x109,
+        PALETTE8 = 0x10a,
+        EXTIMAGEINFO = 0x10b,
+        FILTER = 0x10c,
+
+        /* Data Argument Types for the DG_AUDIO Data Group. */
+        AUDIOFILEXFER = 0x201,
+        AUDIOINFO = 0x202,
+        AUDIONATIVEXFER = 0x203,
+
+        /* misplaced */
+        ICCPROFILE = 0x401,
+        IMAGEMEMFILEXFER = 0x402,
+        ENTRYPOINT = 0x403
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Messages...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Messages...
+
+    /// <summary>
+    /// All message constants are unique.
+    /// Messages are grouped according to which DATs they are used with.
+    /// </summary>
+    public enum MSG : ushort
+    {
+        // Only used to clear fields...
+        NULL = 0x0,
+
+        // Generic messages may be used with any of several DATs.
+        GET = 0x1,
+        GETCURRENT = 0x2,
+        GETDEFAULT = 0x3,
+        GETFIRST = 0x4,
+        GETNEXT = 0x5,
+        SET = 0x6,
+        RESET = 0x7,
+        QUERYSUPPORT = 0x8,
+        GETHELP = 0x9,
+        GETLABEL = 0xa,
+        GETLABELENUM = 0xb,
+        SETCONSTRAINT = 0xc,
+
+        // Messages used with DAT_NULL.
+        XFERREADY = 0x101,
+        CLOSEDSREQ = 0x102,
+        CLOSEDSOK = 0x103,
+        DEVICEEVENT = 0x104,
+
+        // Messages used with a pointer to DAT_PARENT data.
+        OPENDSM = 0x301,
+        CLOSEDSM = 0x302,
+
+        // Messages used with a pointer to a DAT_IDENTITY structure.
+        OPENDS = 0x401,
+        CLOSEDS = 0x402,
+        USERSELECT = 0x403,
+
+        // Messages used with a pointer to a DAT_USERINTERFACE structure.
+        DISABLEDS = 0x501,
+        ENABLEDS = 0x502,
+        ENABLEDSUIONLY = 0x503,
+
+        // Messages used with a pointer to a DAT_EVENT structure.
+        PROCESSEVENT = 0x601,
+
+        // Messages used with a pointer to a DAT_PENDINGXFERS structure
+        ENDXFER = 0x701,
+        STOPFEEDER = 0x702,
+
+        // Messages used with a pointer to a DAT_FILESYSTEM structure
+        CHANGEDIRECTORY = 0x0801,
+        CREATEDIRECTORY = 0x0802,
+        DELETE = 0x0803,
+        FORMATMEDIA = 0x0804,
+        GETCLOSE = 0x0805,
+        GETFIRSTFILE = 0x0806,
+        GETINFO = 0x0807,
+        GETNEXTFILE = 0x0808,
+        RENAME = 0x0809,
+        COPY = 0x080A,
+        AUTOMATICCAPTUREDIRECTORY = 0x080B,
+
+        // Messages used with a pointer to a DAT_PASSTHRU structure
+        PASSTHRU = 0x0901,
+
+        // used with DAT_CALLBACK
+        REGISTER_CALLBACK = 0x0902,
+
+        // used with DAT_CAPABILITY
+        RESETALL = 0x0A01,
+
+        // used with DAT_TWAINDIRECT
+        SETTASK = 0x0B01
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Capabilities...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Capabilities...
+
+    /// <summary>
+    /// The naming convention is a little awkward, but it allows us to
+    /// achieve a unified capability type...
+    /// </summary>
+    public enum CAP : ushort
+    {
+        // Base of custom capabilities.
+        CAP_CUSTOMBASE = 0x8000,
+
+        /* all data sources are REQUIRED to support these caps */
+        CAP_XFERCOUNT = 0x0001,
+
+        /* image data sources are REQUIRED to support these caps */
+        ICAP_COMPRESSION = 0x0100,
+        ICAP_PIXELTYPE = 0x0101,
+        ICAP_UNITS = 0x0102,
+        ICAP_XFERMECH = 0x0103,
+
+        // all data sources MAY support these caps.
+        CAP_AUTHOR = 0x1000,
+        CAP_CAPTION = 0x1001,
+        CAP_FEEDERENABLED = 0x1002,
+        CAP_FEEDERLOADED = 0x1003,
+        CAP_TIMEDATE = 0x1004,
+        CAP_SUPPORTEDCAPS = 0x1005,
+        CAP_EXTENDEDCAPS = 0x1006,
+        CAP_AUTOFEED = 0x1007,
+        CAP_CLEARPAGE = 0x1008,
+        CAP_FEEDPAGE = 0x1009,
+        CAP_REWINDPAGE = 0x100a,
+        CAP_INDICATORS = 0x100b,
+        CAP_PAPERDETECTABLE = 0x100d,
+        CAP_UICONTROLLABLE = 0x100e,
+        CAP_DEVICEONLINE = 0x100f,
+        CAP_AUTOSCAN = 0x1010,
+        CAP_THUMBNAILSENABLED = 0x1011,
+        CAP_DUPLEX = 0x1012,
+        CAP_DUPLEXENABLED = 0x1013,
+        CAP_ENABLEDSUIONLY = 0x1014,
+        CAP_CUSTOMDSDATA = 0x1015,
+        CAP_ENDORSER = 0x1016,
+        CAP_JOBCONTROL = 0x1017,
+        CAP_ALARMS = 0x1018,
+        CAP_ALARMVOLUME = 0x1019,
+        CAP_AUTOMATICCAPTURE = 0x101a,
+        CAP_TIMEBEFOREFIRSTCAPTURE = 0x101b,
+        CAP_TIMEBETWEENCAPTURES = 0x101c,
+        CAP_CLEARBUFFERS = 0x101d,
+        CAP_MAXBATCHBUFFERS = 0x101e,
+        CAP_DEVICETIMEDATE = 0x101f,
+        CAP_POWERSUPPLY = 0x1020,
+        CAP_CAMERAPREVIEWUI = 0x1021,
+        CAP_DEVICEEVENT = 0x1022,
+        CAP_SERIALNUMBER = 0x1024,
+        CAP_PRINTER = 0x1026,
+        CAP_PRINTERENABLED = 0x1027,
+        CAP_PRINTERINDEX = 0x1028,
+        CAP_PRINTERMODE = 0x1029,
+        CAP_PRINTERSTRING = 0x102a,
+        CAP_PRINTERSUFFIX = 0x102b,
+        CAP_LANGUAGE = 0x102c,
+        CAP_FEEDERALIGNMENT = 0x102d,
+        CAP_FEEDERORDER = 0x102e,
+        CAP_REACQUIREALLOWED = 0x1030,
+        CAP_BATTERYMINUTES = 0x1032,
+        CAP_BATTERYPERCENTAGE = 0x1033,
+        CAP_CAMERASIDE = 0x1034,
+        CAP_SEGMENTED = 0x1035,
+        CAP_CAMERAENABLED = 0x1036,
+        CAP_CAMERAORDER = 0x1037,
+        CAP_MICRENABLED = 0x1038,
+        CAP_FEEDERPREP = 0x1039,
+        CAP_FEEDERPOCKET = 0x103a,
+        CAP_AUTOMATICSENSEMEDIUM = 0x103b,
+        CAP_CUSTOMINTERFACEGUID = 0x103c,
+        CAP_SUPPORTEDCAPSSEGMENTUNIQUE = 0x103d,
+        CAP_SUPPORTEDDATS = 0x103e,
+        CAP_DOUBLEFEEDDETECTION = 0x103f,
+        CAP_DOUBLEFEEDDETECTIONLENGTH = 0x1040,
+        CAP_DOUBLEFEEDDETECTIONSENSITIVITY = 0x1041,
+        CAP_DOUBLEFEEDDETECTIONRESPONSE = 0x1042,
+        CAP_PAPERHANDLING = 0x1043,
+        CAP_INDICATORSMODE = 0x1044,
+        CAP_PRINTERVERTICALOFFSET = 0x1045,
+        CAP_POWERSAVETIME = 0x1046,
+        CAP_PRINTERCHARROTATION = 0x1047,
+        CAP_PRINTERFONTSTYLE = 0x1048,
+        CAP_PRINTERINDEXLEADCHAR = 0x1049,
+        CAP_PRINTERINDEXMAXVALUE = 0x104A,
+        CAP_PRINTERINDEXNUMDIGITS = 0x104B,
+        CAP_PRINTERINDEXSTEP = 0x104C,
+        CAP_PRINTERINDEXTRIGGER = 0x104D,
+        CAP_PRINTERSTRINGPREVIEW = 0x104E,
+        CAP_SHEETCOUNT = 0x104F,
+        CAP_IMAGEADDRESSENABLED = 0x1050,
+        CAP_IAFIELDA_LEVEL = 0x1051,
+        CAP_IAFIELDB_LEVEL = 0x1052,
+        CAP_IAFIELDC_LEVEL = 0x1053,
+        CAP_IAFIELDD_LEVEL = 0x1054,
+        CAP_IAFIELDE_LEVEL = 0x1055,
+        CAP_IAFIELDA_PRINTFORMAT = 0x1056,
+        CAP_IAFIELDB_PRINTFORMAT = 0x1057,
+        CAP_IAFIELDC_PRINTFORMAT = 0x1058,
+        CAP_IAFIELDD_PRINTFORMAT = 0x1059,
+        CAP_IAFIELDE_PRINTFORMAT = 0x105A,
+        CAP_IAFIELDA_VALUE = 0x105B,
+        CAP_IAFIELDB_VALUE = 0x105C,
+        CAP_IAFIELDC_VALUE = 0x105D,
+        CAP_IAFIELDD_VALUE = 0x105E,
+        CAP_IAFIELDE_VALUE = 0x105F,
+        CAP_IAFIELDA_LASTPAGE = 0x1060,
+        CAP_IAFIELDB_LASTPAGE = 0x1061,
+        CAP_IAFIELDC_LASTPAGE = 0x1062,
+        CAP_IAFIELDD_LASTPAGE = 0x1063,
+        CAP_IAFIELDE_LASTPAGE = 0x1064,
+
+        // image data sources MAY support these caps.
+        ICAP_AUTOBRIGHT = 0x1100,
+        ICAP_BRIGHTNESS = 0x1101,
+        ICAP_CONTRAST = 0x1103,
+        ICAP_CUSTHALFTONE = 0x1104,
+        ICAP_EXPOSURETIME = 0x1105,
+        ICAP_FILTER = 0x1106,
+        ICAP_FLASHUSED = 0x1107,
+        ICAP_GAMMA = 0x1108,
+        ICAP_HALFTONES = 0x1109,
+        ICAP_HIGHLIGHT = 0x110a,
+        ICAP_IMAGEFILEFORMAT = 0x110c,
+        ICAP_LAMPSTATE = 0x110d,
+        ICAP_LIGHTSOURCE = 0x110e,
+        ICAP_ORIENTATION = 0x1110,
+        ICAP_PHYSICALWIDTH = 0x1111,
+        ICAP_PHYSICALHEIGHT = 0x1112,
+        ICAP_SHADOW = 0x1113,
+        ICAP_FRAMES = 0x1114,
+        ICAP_XNATIVERESOLUTION = 0x1116,
+        ICAP_YNATIVERESOLUTION = 0x1117,
+        ICAP_XRESOLUTION = 0x1118,
+        ICAP_YRESOLUTION = 0x1119,
+        ICAP_MAXFRAMES = 0x111a,
+        ICAP_TILES = 0x111b,
+        ICAP_BITORDER = 0x111c,
+        ICAP_CCITTKFACTOR = 0x111d,
+        ICAP_LIGHTPATH = 0x111e,
+        ICAP_PIXELFLAVOR = 0x111f,
+        ICAP_PLANARCHUNKY = 0x1120,
+        ICAP_ROTATION = 0x1121,
+        ICAP_SUPPORTEDSIZES = 0x1122,
+        ICAP_THRESHOLD = 0x1123,
+        ICAP_XSCALING = 0x1124,
+        ICAP_YSCALING = 0x1125,
+        ICAP_BITORDERCODES = 0x1126,
+        ICAP_PIXELFLAVORCODES = 0x1127,
+        ICAP_JPEGPIXELTYPE = 0x1128,
+        ICAP_TIMEFILL = 0x112a,
+        ICAP_BITDEPTH = 0x112b,
+        ICAP_BITDEPTHREDUCTION = 0x112c,
+        ICAP_UNDEFINEDIMAGESIZE = 0x112d,
+        ICAP_IMAGEDATASET = 0x112e,
+        ICAP_EXTIMAGEINFO = 0x112f,
+        ICAP_MINIMUMHEIGHT = 0x1130,
+        ICAP_MINIMUMWIDTH = 0x1131,
+        ICAP_AUTODISCARDBLANKPAGES = 0x1134,
+        ICAP_FLIPROTATION = 0x1136,
+        ICAP_BARCODEDETECTIONENABLED = 0x1137,
+        ICAP_SUPPORTEDBARCODETYPES = 0x1138,
+        ICAP_BARCODEMAXSEARCHPRIORITIES = 0x1139,
+        ICAP_BARCODESEARCHPRIORITIES = 0x113a,
+        ICAP_BARCODESEARCHMODE = 0x113b,
+        ICAP_BARCODEMAXRETRIES = 0x113c,
+        ICAP_BARCODETIMEOUT = 0x113d,
+        ICAP_ZOOMFACTOR = 0x113e,
+        ICAP_PATCHCODEDETECTIONENABLED = 0x113f,
+        ICAP_SUPPORTEDPATCHCODETYPES = 0x1140,
+        ICAP_PATCHCODEMAXSEARCHPRIORITIES = 0x1141,
+        ICAP_PATCHCODESEARCHPRIORITIES = 0x1142,
+        ICAP_PATCHCODESEARCHMODE = 0x1143,
+        ICAP_PATCHCODEMAXRETRIES = 0x1144,
+        ICAP_PATCHCODETIMEOUT = 0x1145,
+        ICAP_FLASHUSED2 = 0x1146,
+        ICAP_IMAGEFILTER = 0x1147,
+        ICAP_NOISEFILTER = 0x1148,
+        ICAP_OVERSCAN = 0x1149,
+        ICAP_AUTOMATICBORDERDETECTION = 0x1150,
+        ICAP_AUTOMATICDESKEW = 0x1151,
+        ICAP_AUTOMATICROTATE = 0x1152,
+        ICAP_JPEGQUALITY = 0x1153,
+        ICAP_FEEDERTYPE = 0x1154,
+        ICAP_ICCPROFILE = 0x1155,
+        ICAP_AUTOSIZE = 0x1156,
+        ICAP_AUTOMATICCROPUSESFRAME = 0x1157,
+        ICAP_AUTOMATICLENGTHDETECTION = 0x1158,
+        ICAP_AUTOMATICCOLORENABLED = 0x1159,
+        ICAP_AUTOMATICCOLORNONCOLORPIXELTYPE = 0x115a,
+        ICAP_COLORMANAGEMENTENABLED = 0x115b,
+        ICAP_IMAGEMERGE = 0x115c,
+        ICAP_IMAGEMERGEHEIGHTTHRESHOLD = 0x115d,
+        ICAP_SUPPORTEDEXTIMAGEINFO = 0x115e,
+        ICAP_FILMTYPE = 0x115f,
+        ICAP_MIRROR = 0x1160,
+        ICAP_JPEGSUBSAMPLING = 0x1161,
+
+        // image data sources MAY support these audio caps.
+        ACAP_XFERMECH = 0x1202
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Extended Image Info Attributes section  Added 1.7...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Extended Image Info Attributes section  Added 1.7...
+
+    /// <summary>
+    /// Extended Image Info Attributes...
+    /// </summary>
+    public enum TWEI : ushort
+    {
+        BARCODEX = 0x1200,
+        BARCODEY = 0x1201,
+        BARCODETEXT = 0x1202,
+        BARCODETYPE = 0x1203,
+        DESHADETOP = 0x1204,
+        DESHADELEFT = 0x1205,
+        DESHADEHEIGHT = 0x1206,
+        DESHADEWIDTH = 0x1207,
+        DESHADESIZE = 0x1208,
+        SPECKLESREMOVED = 0x1209,
+        HORZLINEXCOORD = 0x120A,
+        HORZLINEYCOORD = 0x120B,
+        HORZLINELENGTH = 0x120C,
+        HORZLINETHICKNESS = 0x120D,
+        VERTLINEXCOORD = 0x120E,
+        VERTLINEYCOORD = 0x120F,
+        VERTLINELENGTH = 0x1210,
+        VERTLINETHICKNESS = 0x1211,
+        PATCHCODE = 0x1212,
+        ENDORSEDTEXT = 0x1213,
+        FORMCONFIDENCE = 0x1214,
+        FORMTEMPLATEMATCH = 0x1215,
+        FORMTEMPLATEPAGEMATCH = 0x1216,
+        FORMHORZDOCOFFSET = 0x1217,
+        FORMVERTDOCOFFSET = 0x1218,
+        BARCODECOUNT = 0x1219,
+        BARCODECONFIDENCE = 0x121A,
+        BARCODEROTATION = 0x121B,
+        BARCODETEXTLENGTH = 0x121C,
+        DESHADECOUNT = 0x121D,
+        DESHADEBLACKCOUNTOLD = 0x121E,
+        DESHADEBLACKCOUNTNEW = 0x121F,
+        DESHADEBLACKRLMIN = 0x1220,
+        DESHADEBLACKRLMAX = 0x1221,
+        DESHADEWHITECOUNTOLD = 0x1222,
+        DESHADEWHITECOUNTNEW = 0x1223,
+        DESHADEWHITERLMIN = 0x1224,
+        DESHADEWHITERLAVE = 0x1225,
+        DESHADEWHITERLMAX = 0x1226,
+        BLACKSPECKLESREMOVED = 0x1227,
+        WHITESPECKLESREMOVED = 0x1228,
+        HORZLINECOUNT = 0x1229,
+        VERTLINECOUNT = 0x122A,
+        DESKEWSTATUS = 0x122B,
+        SKEWORIGINALANGLE = 0x122C,
+        SKEWFINALANGLE = 0x122D,
+        SKEWCONFIDENCE = 0x122E,
+        SKEWWINDOWX1 = 0x122F,
+        SKEWWINDOWY1 = 0x1230,
+        SKEWWINDOWX2 = 0x1231,
+        SKEWWINDOWY2 = 0x1232,
+        SKEWWINDOWX3 = 0x1233,
+        SKEWWINDOWY3 = 0x1234,
+        SKEWWINDOWX4 = 0x1235,
+        SKEWWINDOWY4 = 0x1236,
+        BOOKNAME = 0x1238,
+        CHAPTERNUMBER = 0x1239,
+        DOCUMENTNUMBER = 0x123A,
+        PAGENUMBER = 0x123B,
+        CAMERA = 0x123C,
+        FRAMENUMBER = 0x123D,
+        FRAME = 0x123E,
+        PIXELFLAVOR = 0x123F,
+        ICCPROFILE = 0x1240,
+        LASTSEGMENT = 0x1241,
+        SEGMENTNUMBER = 0x1242,
+        MAGDATA = 0x1243,
+        MAGTYPE = 0x1244,
+        PAGESIDE = 0x1245,
+        FILESYSTEMSOURCE = 0x1246,
+        IMAGEMERGED = 0x1247,
+        MAGDATALENGTH = 0x1248,
+        PAPERCOUNT = 0x1249,
+        PRINTERTEXT = 0x124A,
+        TWAINDIRECTMETADATA = 0x124B,
+        IAFIELDA_VALUE = 0x124C,
+        IAFIELDB_VALUE = 0x124D,
+        IAFIELDC_VALUE = 0x124E,
+        IAFIELDD_VALUE = 0x124F,
+        IAFIELDE_VALUE = 0x1250,
+        IALEVEL = 0x1251,
+        PRINTER = 0x1252,
+        BARCODETEXT2 = 0x1253
+    }
+
+    public enum TWEJ : ushort
+    {
+        NONE = 0x0000,
+        MIDSEPARATOR = 0x0001,
+        PATCH1 = 0x0002,
+        PATCH2 = 0x0003,
+        PATCH3 = 0x0004,
+        PATCH4 = 0x0005,
+        PATCH6 = 0x0006,
+        PATCHT = 0x0007
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Return Codes and Condition Codes section...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Return Codes and Condition Codes section...
+
+    //public enum STS
+    //{
+    //  // Custom base (same for TWRC and TWCC)...
+    //  CUSTOMBASE = 0x8000,
+
+    //  // Return codes...
+    //  SUCCESS = 0,
+    //  FAILURE = 1,
+    //  CHECKSTATUS = 2,
+    //  CANCEL = 3,
+    //  DSEVENT = 4,
+    //  NOTDSEVENT = 5,
+    //  XFERDONE = 6,
+    //  ENDOFLIST = 7,
+    //  INFONOTSUPPORTED = 8,
+    //  DATANOTAVAILABLE = 9,
+    //  BUSY = 10,
+    //  SCANNERLOCKED = 11,
+
+    //  // Condition codes (always associated with TWRC_FAILURE)...
+    //  BUMMER = TwainConst.STSCC + 1,
+    //  LOWMEMORY = TwainConst.STSCC + 2,
+    //  NODS = TwainConst.STSCC + 3,
+    //  MAXCONNECTIONS = TwainConst.STSCC + 4,
+    //  OPERATIONERROR = TwainConst.STSCC + 5,
+    //  BADCAP = TwainConst.STSCC + 6,
+    //  BADPROTOCOL = TwainConst.STSCC + 9,
+    //  BADVALUE = TwainConst.STSCC + 10,
+    //  SEQERROR = TwainConst.STSCC + 11,
+    //  BADDEST = TwainConst.STSCC + 12,
+    //  CAPUNSUPPORTED = TwainConst.STSCC + 13,
+    //  CAPBADOPERATION = TwainConst.STSCC + 14,
+    //  CAPSEQERROR = TwainConst.STSCC + 15,
+    //  DENIED = TwainConst.STSCC + 16,
+    //  FILEEXISTS = TwainConst.STSCC + 17,
+    //  FILENOTFOUND = TwainConst.STSCC + 18,
+    //  NOTEMPTY = TwainConst.STSCC + 19,
+    //  PAPERJAM = TwainConst.STSCC + 20,
+    //  PAPERDOUBLEFEED = TwainConst.STSCC + 21,
+    //  FILEWRITEERROR = TwainConst.STSCC + 22,
+    //  CHECKDEVICEONLINE = TwainConst.STSCC + 23,
+    //  INTERLOCK = TwainConst.STSCC + 24,
+    //  DAMAGEDCORNER = TwainConst.STSCC + 25,
+    //  FOCUSERROR = TwainConst.STSCC + 26,
+    //  DOCTOOLIGHT = TwainConst.STSCC + 27,
+    //  DOCTOODARK = TwainConst.STSCC + 28,
+    //  NOMEDIA = TwainConst.STSCC + 29
+    //}
+
+    /// <summary>
+    /// bit patterns: for query the operation that are supported by the data source on a capability
+    /// Application gets these through DG_CONTROL/DAT_CAPABILITY/MSG_QUERYSUPPORT
+    /// </summary>
+    [Flags]
+    public enum TWQC : ushort
+    {
+        Unknown = 0,
+        GET = 0x0001,
+        SET = 0x0002,
+        GETDEFAULT = 0x0004,
+        GETCURRENT = 0x0008,
+        RESET = 0x0010,
+        SETCONSTRAINT = 0x0020,
+        CONSTRAINABLE = 0x0040
+    }
+
+    /// <summary>
+    /// The TWAIN States...
+    /// </summary>
+    public enum STATE
+    {
+        S1 = 1, // Nothing loaded or open
+        S2 = 2, // DSM loaded
+        S3 = 3, // DSM open
+        S4 = 4, // Data Source open, programmatic mode (no GUI)
+        S5 = 5, // GUI up or waiting to transfer first image
+        S6 = 6, // ready to start transferring image
+        S7 = 7  // transferring image or transfer done
+    }
+
+    #endregion
+
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Language section...
+    ///////////////////////////////////////////////////////////////////////////////
+    #region Language section...
+
+    /// <summary>
+    /// Handle encoding between C# and what the DS is currently set to.
+    /// NOTE: this is static for users of this object do not have to track
+    ///       the encoding (i.e. let cs deal with all of this). This
+    ///       means there is one language for all open DSes, so the last one wins.
+    /// </summary>
+    public static class Language
+    {
+        /// <summary>
+        /// The encoding to use for strings to/from the DS
+        /// </summary>
+        /// <returns></returns>
+        public static Encoding GetEncoding()
+        {
+            return (m_encoding);
+        }
+
+        /// <summary>
+        /// The current language of the DS
+        /// </summary>
+        /// <returns></returns>
+        public static void Set(TWLG a_twlg)
+        {
+            switch (a_twlg)
+            {
+                default:
+                    // NOTE: can only get here if a TWLG was added, but it wasn't added here
+                    m_encoding = Encoding.GetEncoding(1252);
+                    break;
+
+                case TWLG.USERLOCALE:
+                    // NOTE: this should never come back from the DS. only here for completeness
+                    m_encoding = Encoding.GetEncoding(1252);
+                    break;
+
+                case TWLG.THAI:
+                    m_encoding = Encoding.GetEncoding(874);
+                    break;
+
+                case TWLG.JAPANESE:
+                    m_encoding = Encoding.GetEncoding(932);
+                    break;
+
+                case TWLG.CHINESE:
+                case TWLG.CHINESE_PRC:
+                case TWLG.CHINESE_SINGAPORE:
+                case TWLG.CHINESE_SIMPLIFIED:
+                    m_encoding = Encoding.GetEncoding(936);
+                    break;
+
+                case TWLG.KOREAN:
+                case TWLG.KOREAN_JOHAB:
+                    m_encoding = Encoding.GetEncoding(949);
+                    break;
+
+                case TWLG.CHINESE_HONGKONG:
+                case TWLG.CHINESE_TAIWAN:
+                case TWLG.CHINESE_TRADITIONAL:
+                    m_encoding = Encoding.GetEncoding(950);
+                    break;
+
+                case TWLG.ALBANIA:
+                case TWLG.CROATIA:
+                case TWLG.CZECH:
+                case TWLG.HUNGARIAN:
+                case TWLG.POLISH:
+                case TWLG.ROMANIAN:
+                case TWLG.SERBIAN_LATIN:
+                case TWLG.SLOVAK:
+                case TWLG.SLOVENIAN:
+                    m_encoding = Encoding.GetEncoding(1250);
+                    break;
+
+                case TWLG.BYELORUSSIAN:
+                case TWLG.BULGARIAN:
+                case TWLG.RUSSIAN:
+                case TWLG.SERBIAN_CYRILLIC:
+                case TWLG.UKRANIAN:
+                    m_encoding = Encoding.GetEncoding(1251);
+                    break;
+
+                case TWLG.AFRIKAANS:
+                case TWLG.BASQUE:
+                case TWLG.CATALAN:
+                case TWLG.DAN: // DANISH
+                case TWLG.DUT: // DUTCH
+                case TWLG.DUTCH_BELGIAN:
+                case TWLG.ENG: // ENGLISH
+                case TWLG.ENGLISH_AUSTRALIAN:
+                case TWLG.ENGLISH_CANADIAN:
+                case TWLG.ENGLISH_IRELAND:
+                case TWLG.ENGLISH_NEWZEALAND:
+                case TWLG.ENGLISH_SOUTHAFRICA:
+                case TWLG.ENGLISH_UK:
+                case TWLG.USA:
+                case TWLG.FAEROESE:
+                case TWLG.FIN: // FINNISH
+                case TWLG.FRN: // FRENCH
+                case TWLG.FRENCH_BELGIAN:
+                case TWLG.FCF: // FRENCH_CANADIAN
+                case TWLG.FRENCH_LUXEMBOURG:
+                case TWLG.FRENCH_SWISS:
+                case TWLG.GER: // GERMAN
+                case TWLG.GERMAN_AUSTRIAN:
+                case TWLG.GERMAN_LIECHTENSTEIN:
+                case TWLG.GERMAN_LUXEMBOURG:
+                case TWLG.GERMAN_SWISS:
+                case TWLG.ICE: // ICELANDIC
+                case TWLG.INDONESIAN:
+                case TWLG.ITN: // ITALIAN
+                case TWLG.ITALIAN_SWISS:
+                case TWLG.NOR: // NORWEGIAN
+                case TWLG.NORWEGIAN_BOKMAL:
+                case TWLG.NORWEGIAN_NYNORSK:
+                case TWLG.POR: // PORTUGUESE
+                case TWLG.PORTUGUESE_BRAZIL:
+                case TWLG.SPA: // SPANISH
+                case TWLG.SPANISH_MEXICAN:
+                case TWLG.SPANISH_MODERN:
+                case TWLG.SWE: // SWEDISH
+                case TWLG.SWEDISH_FINLAND:
+                    m_encoding = Encoding.GetEncoding(1252);
+                    break;
+
+                case TWLG.GREEK:
+                    m_encoding = Encoding.GetEncoding(1253);
+                    break;
+
+                case TWLG.TURKISH:
+                    m_encoding = Encoding.GetEncoding(1254);
+                    break;
+
+                case TWLG.HEBREW:
+                    m_encoding = Encoding.GetEncoding(1255);
+                    break;
+
+                case TWLG.ARABIC:
+                case TWLG.ARABIC_ALGERIA:
+                case TWLG.ARABIC_BAHRAIN:
+                case TWLG.ARABIC_EGYPT:
+                case TWLG.ARABIC_IRAQ:
+                case TWLG.ARABIC_JORDAN:
+                case TWLG.ARABIC_KUWAIT:
+                case TWLG.ARABIC_LEBANON:
+                case TWLG.ARABIC_LIBYA:
+                case TWLG.ARABIC_MOROCCO:
+                case TWLG.ARABIC_OMAN:
+                case TWLG.ARABIC_QATAR:
+                case TWLG.ARABIC_SAUDIARABIA:
+                case TWLG.ARABIC_SYRIA:
+                case TWLG.ARABIC_TUNISIA:
+                case TWLG.ARABIC_UAE:
+                case TWLG.ARABIC_YEMEN:
+                case TWLG.FARSI:
+                case TWLG.URDU:
+                    m_encoding = Encoding.GetEncoding(1256);
+                    break;
+
+                case TWLG.ESTONIAN:
+                case TWLG.LATVIAN:
+                case TWLG.LITHUANIAN:
+                    m_encoding = Encoding.GetEncoding(1257);
+                    break;
+
+                case TWLG.VIETNAMESE:
+                    m_encoding = Encoding.GetEncoding(1258);
+                    break;
+
+                case TWLG.ASSAMESE:
+                case TWLG.BENGALI:
+                case TWLG.BIHARI:
+                case TWLG.BODO:
+                case TWLG.DOGRI:
+                case TWLG.GUJARATI:
+                case TWLG.HARYANVI:
+                case TWLG.HINDI:
+                case TWLG.KANNADA:
+                case TWLG.KASHMIRI:
+                case TWLG.MALAYALAM:
+                case TWLG.MARATHI:
+                case TWLG.MARWARI:
+                case TWLG.MEGHALAYAN:
+                case TWLG.MIZO:
+                case TWLG.NAGA:
+                case TWLG.ORISSI:
+                case TWLG.PUNJABI:
+                case TWLG.PUSHTU:
+                case TWLG.SIKKIMI:
+                case TWLG.TAMIL:
+                case TWLG.TELUGU:
+                case TWLG.TRIPURI:
+                    // NOTE: there are no known code pages for these, so we will use English
+                    m_encoding = Encoding.GetEncoding(1252);
+                    break;
+            }
+        }
+
+        private static Encoding m_encoding = Encoding.GetEncoding(1252);
+    }
+
+    #endregion
 
 }
diff --git a/src/NTwain/TwainAppSession.Windows.cs b/src/NTwain/TwainAppSession.Windows.cs
index cb5584e..2380f21 100644
--- a/src/NTwain/TwainAppSession.Windows.cs
+++ b/src/NTwain/TwainAppSession.Windows.cs
@@ -12,94 +12,102 @@ using MSG = NTwain.Data.MSG;
 namespace NTwain
 {
 
-  // contains parts for winform/wpf message loop integration
+    // contains parts for winform/wpf message loop integration
 
-  partial class TwainAppSession : IMessageFilter
-  {
-    HwndSource? _wpfhook;
+    partial class TwainAppSession : IMessageFilter
+    {
+        HwndSource? _wpfhook;
 
-    /// <summary>
-    /// Registers this session for use in a Winform UI thread.
-    /// </summary>
-    public void AddWinformFilter()
-    {
-      Application.AddMessageFilter(this);
-    }
-    /// <summary>
-    /// Unregisters this session if previously registered with <see cref="AddWinformFilter"/>.
-    /// </summary>
-    public void RemoveWinformFilter()
-    {
-      Application.RemoveMessageFilter(this);
-    }
-
-    /// <summary>
-    /// Registers this session for use in a WPF UI thread.
-    /// This requires the hwnd used in <see cref="OpenDSM"/>
-    /// be a valid WPF window handle.
-    /// </summary>
-    public void AddWpfHook()
-    {
-      if (_wpfhook == null)
-      {
-        _wpfhook = HwndSource.FromHwnd(_hwnd);
-        _wpfhook.AddHook(WpfHook);
-      }
-    }
-    /// <summary>
-    /// Unregisters this session if previously registered with <see cref="AddWpfHook"/>.
-    /// </summary>
-    public void RemoveWpfHook()
-    {
-      if (_wpfhook != null)
-      {
-        _wpfhook.RemoveHook(WpfHook);
-        _wpfhook = null;
-      }
-    }
-
-    bool IMessageFilter.PreFilterMessage(ref Message m)
-    {
-      return WndProc(m.HWnd, m.Msg, m.WParam, m.LParam);
-    }
-
-    IntPtr WpfHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
-    {
-      handled = WndProc(hwnd, msg, wParam, lParam);
-      return IntPtr.Zero;
-    }
-
-    private bool WndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
-    {
-      // this handles the message from a typical WndProc message loop and checks if it's for the TWAIN source.
-      bool handled = false;
-      if (_state >= STATE.S5)
-      {
-        WIN_MESSAGE winMsg = new()
+        /// <summary>
+        /// Registers this session for use in a Winform UI thread.
+        /// </summary>
+        public void AddWinformFilter()
         {
-          hwnd = hWnd,
-          message = (uint)msg,
-          wParam = wParam,
-          lParam = lParam
-        };
-        // no need to do another lock call when using marshal alloc
-        if (_procEvent.pEvent == IntPtr.Zero)
-          _procEvent.pEvent = Marshal.AllocHGlobal(Marshal.SizeOf(winMsg));
-        Marshal.StructureToPtr(winMsg, _procEvent.pEvent, true);
-
-        if (!_closeDsRequested)
-        {
-          var rc = DGControl.Event.ProcessEvent(ref _appIdentity, ref _currentDS, ref _procEvent);
-          handled = rc == TWRC.DSEVENT;
-          if (_procEvent.TWMessage != 0 && (handled || rc == TWRC.NOTDSEVENT))
-          {
-            //Debug.WriteLine($"[thread {Environment.CurrentManagedThreadId}] CheckIfTwainMessage at state {State} with MSG={_procEvent.TWMessage}.");
-            HandleSourceMsg((MSG)_procEvent.TWMessage);
-          }
+            Application.AddMessageFilter(this);
+        }
+        /// <summary>
+        /// Unregisters this session if previously registered with <see cref="AddWinformFilter"/>.
+        /// </summary>
+        public void RemoveWinformFilter()
+        {
+            Application.RemoveMessageFilter(this);
+        }
+
+        /// <summary>
+        /// Registers this session for use in a WPF UI thread.
+        /// This requires the hwnd used in <see cref="OpenDSM"/>
+        /// be a valid WPF window handle.
+        /// </summary>
+        public void AddWpfHook()
+        {
+            if (_wpfhook == null)
+            {
+                _wpfhook = HwndSource.FromHwnd(_hwnd);
+                _wpfhook.AddHook(WpfHook);
+            }
+        }
+        /// <summary>
+        /// Unregisters this session if previously registered with <see cref="AddWpfHook"/>.
+        /// </summary>
+        public void RemoveWpfHook()
+        {
+            if (_wpfhook != null)
+            {
+                _wpfhook.RemoveHook(WpfHook);
+                _wpfhook = null;
+            }
+        }
+
+        bool IMessageFilter.PreFilterMessage(ref Message m)
+        {
+            return WndProc(m.HWnd, m.Msg, m.WParam, m.LParam);
+        }
+
+        IntPtr WpfHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
+        {
+            handled = WndProc(hwnd, msg, wParam, lParam);
+            return IntPtr.Zero;
+        }
+
+        /// <summary>
+        /// Method to check window message and handle it if it's for the TWAIN source.'
+        /// </summary>
+        /// <param name="hWnd"></param>
+        /// <param name="msg"></param>
+        /// <param name="wParam"></param>
+        /// <param name="lParam"></param>
+        /// <returns></returns>
+        public bool WndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
+        {
+            // this handles the message from a typical WndProc message loop and checks if it's for the TWAIN source.
+            bool handled = false;
+            if (_state >= STATE.S5)
+            {
+                WIN_MESSAGE winMsg = new()
+                {
+                    hwnd = hWnd,
+                    message = (uint)msg,
+                    wParam = wParam,
+                    lParam = lParam
+                };
+                // no need to do another lock call when using marshal alloc
+                if (_procEvent.pEvent == IntPtr.Zero)
+                    _procEvent.pEvent = Marshal.AllocHGlobal(Marshal.SizeOf(winMsg));
+                Marshal.StructureToPtr(winMsg, _procEvent.pEvent, true);
+
+                if (!_closeDsRequested)
+                {
+                    var rc = DGControl.Event.ProcessEvent(ref _appIdentity, ref _currentDS, ref _procEvent);
+                    handled = rc == TWRC.DSEVENT;
+                    if (_procEvent.TWMessage != 0 && (handled || rc == TWRC.NOTDSEVENT))
+                    {
+                        //Debug.WriteLine($"[thread {Environment.CurrentManagedThreadId}] CheckIfTwainMessage at state {State} with MSG={_procEvent.TWMessage}.");
+                        HandleSourceMsg((MSG)_procEvent.TWMessage);
+                    }
+                }
+            }
+            return handled;
         }
-      }
-      return handled;
     }
-  }
 }
 #endif
\ No newline at end of file
diff --git a/src/NTwain/TwainAppSession.Xfers.cs b/src/NTwain/TwainAppSession.Xfers.cs
index c09bf8b..cb99c02 100644
--- a/src/NTwain/TwainAppSession.Xfers.cs
+++ b/src/NTwain/TwainAppSession.Xfers.cs
@@ -8,521 +8,534 @@ using System.Runtime.InteropServices;
 
 namespace NTwain
 {
-  // this file contains various xfer methods
+    // this file contains various xfer methods
 
-  partial class TwainAppSession
-  {
-    /// <summary>
-    /// Can only be called in state 7, so it's hidden here and 
-    /// only exposed in data transferred event.
-    /// </summary>
-    /// <param name="container"></param>
-    /// <returns></returns>
-    internal STS GetExtendedImageInfo(ref TW_EXTIMAGEINFO container)
+    partial class TwainAppSession
     {
-      return WrapInSTS(DGImage.ExtImageInfo.Get(ref _appIdentity, ref _currentDS, ref container));
-    }
-
-
-    /// <summary>
-    /// Start the transfer loop.
-    /// This should be called after receiving 
-    /// <see cref="MSG.XFERREADY"/> in the background thread.
-    /// </summary>
-    void EnterTransferRoutine()
-    {
-      // TODO: currently implemented routine doesn't quite work for audio as described in spec
-
-
-      // default options if source doesn't support changing them or whatever
-      bool xferImage = true;
-      bool xferAudio = false;
-      if (DGControl.XferGroup.Get(ref _appIdentity, ref _currentDS, out DG xferType) == TWRC.SUCCESS)
-      {
-        xferAudio = (xferType & DG.AUDIO) == DG.AUDIO;
-        var dsName = _currentDS.ProductName.ToString();
-        // check for Plustek OpticSlim 2680H, this scanner returns wrong xferGroup after first scanning
-        if (dsName.IndexOf("Plustek", StringComparison.OrdinalIgnoreCase) > -1 &&
-            dsName.IndexOf("OpticSlim", StringComparison.OrdinalIgnoreCase) > -1 &&
-            dsName.IndexOf("2680H", StringComparison.OrdinalIgnoreCase) > -1)
+        /// <summary>
+        /// Can only be called in state 7, so it's hidden here and 
+        /// only exposed in data transferred event.
+        /// </summary>
+        /// <param name="container"></param>
+        /// <returns></returns>
+        internal STS GetExtendedImageInfo(ref TW_EXTIMAGEINFO container)
         {
-          xferImage = true;
+            return WrapInSTS(DGImage.ExtImageInfo.Get(ref _appIdentity, ref _currentDS, ref container));
         }
-        else
+
+
+        /// <summary>
+        /// Start the transfer loop.
+        /// This should be called after receiving 
+        /// <see cref="MSG.XFERREADY"/> in the background thread.
+        /// </summary>
+        void EnterTransferRoutine()
         {
-          // some DS end up getting none but we will assume it's image
-          xferImage = xferType == 0 || (xferType & DG.IMAGE) == DG.IMAGE;
-        }
-      }
+            // TODO: currently implemented routine doesn't quite work for audio as described in spec
 
-      var imgXferMech = TWSX.NATIVE;
-      var audXferMech = TWSX.NATIVE;
-      if (xferImage) imgXferMech = Caps.ICAP_XFERMECH.GetCurrent().FirstOrDefault();
-      else if (xferAudio) audXferMech = Caps.ACAP_XFERMECH.GetCurrent().FirstOrDefault();
 
-      TW_PENDINGXFERS pending = default;
-      var sts = WrapInSTS(DGControl.PendingXfers.Get(ref _appIdentity, ref _currentDS, ref pending));
-      if (sts.RC == TWRC.SUCCESS)
-      {
-        do
-        {
-          var readyArgs = new TransferReadyEventArgs(pending.Count, (TWEJ)pending.EOJ);
-          try
-          {
-            TransferReady?.Invoke(this, readyArgs);
-          }
-          catch { } // don't let consumer kill the loop if they have exception
+            // default options if source doesn't support changing them or whatever
+            bool xferImage = true;
+            bool xferAudio = false;
+            if (DGControl.XferGroup.Get(ref _appIdentity, ref _currentDS, out DG xferType) == TWRC.SUCCESS)
+            {
+                xferAudio = (xferType & DG.AUDIO) == DG.AUDIO;
+                var dsName = _currentDS.ProductName.ToString();
+                // check for Plustek OpticSlim 2680H, this scanner returns wrong xferGroup after first scanning
+                if (dsName.IndexOf("Plustek", StringComparison.OrdinalIgnoreCase) > -1 &&
+                    dsName.IndexOf("OpticSlim", StringComparison.OrdinalIgnoreCase) > -1 &&
+                    dsName.IndexOf("2680H", StringComparison.OrdinalIgnoreCase) > -1)
+                {
+                    xferImage = true;
+                }
+                else
+                {
+                    // some DS end up getting none but we will assume it's image
+                    xferImage = xferType == 0 || (xferType & DG.IMAGE) == DG.IMAGE;
+                }
+            }
 
-          if (readyArgs.Cancel == CancelType.EndNow || _closeDsRequested)
-          {
-            // TODO: need to call EndXfer first?
-            sts = WrapInSTS(DGControl.PendingXfers.Reset(ref _appIdentity, ref _currentDS, ref pending));
-            if (sts.RC == TWRC.SUCCESS && xferImage) State = STATE.S5;
-          }
-          else if (readyArgs.Cancel == CancelType.SkipCurrent)
-          {
-            sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+            var imgXferMech = TWSX.NATIVE;
+            var audXferMech = TWSX.NATIVE;
+            if (xferImage) imgXferMech = Caps.ICAP_XFERMECH.GetCurrent().FirstOrDefault();
+            else if (xferAudio) audXferMech = Caps.ACAP_XFERMECH.GetCurrent().FirstOrDefault();
+
+            TW_PENDINGXFERS pending = new TW_PENDINGXFERS();
+            var sts = WrapInSTS(DGControl.PendingXfers.Get(ref _appIdentity, ref _currentDS, ref pending));
             if (sts.RC == TWRC.SUCCESS)
             {
-              if (xferImage)
-              {
-                State = pending.Count == 0 ? STATE.S5 : STATE.S6;
-              }
-              else if (xferAudio)
-              {
-                State = STATE.S6;
-              }
-            }
-          }
-          else
-          {
-            if (readyArgs.Cancel == CancelType.Graceful)
-            {
-              // ignore rc in this and continue transfer as normal
-              DGControl.PendingXfers.StopFeeder(ref _appIdentity, ref _currentDS, ref pending);
-            }
-
-            try
-            {
-              if (readyArgs.Cancel != CancelType.SkipCurrent)
-              {
-                // transfer normally and only if someone's listening
-                // to DataTransferred event
-                if (xferImage)
+                do
                 {
-                  switch (imgXferMech)
-                  {
-                    case TWSX.NATIVE:
-                      sts = TransferNativeImage(ref pending);
-                      break;
-                    case TWSX.FILE:
-                      sts = TransferFileImage(ref pending);
-                      break;
-                    case TWSX.MEMORY:
-                      sts = TransferMemoryImage(ref pending);
-                      break;
-                    case TWSX.MEMFILE:
-                      sts = TransferMemoryFileImage(ref pending);
-                      break;
-                  }
-                }
-                else if (xferAudio)
-                {
-                  switch (audXferMech)
-                  {
-                    case TWSX.NATIVE:
-                      sts = TransferNativeAudio(ref pending);
-                      break;
-                    case TWSX.FILE:
-                      sts = TransferFileAudio(ref pending);
-                      break;
-                  }
-                }
-                HandleXferCode(ref sts, ref pending);
-              }
+                    var readyArgs = new TransferReadyEventArgs(pending.Count, (TWEJ)pending.EOJ);
+                    try
+                    {
+                        TransferReady?.Invoke(this, readyArgs);
+                    }
+                    catch { } // don't let consumer kill the loop if they have exception
+
+                    if (readyArgs.Cancel == CancelType.EndNow || _closeDsRequested)
+                    {
+                        // TODO: need to call EndXfer first?
+                        pending = new TW_PENDINGXFERS();
+                        sts = WrapInSTS(DGControl.PendingXfers.Reset(ref _appIdentity, ref _currentDS, ref pending));
+                        if (sts.RC == TWRC.SUCCESS && xferImage) State = STATE.S5;
+                    }
+                    else if (readyArgs.Cancel == CancelType.SkipCurrent)
+                    {
+                        pending = new TW_PENDINGXFERS();
+                        sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                        if (sts.RC == TWRC.SUCCESS)
+                        {
+                            if (xferImage)
+                            {
+                                State = pending.Count == 0 ? STATE.S5 : STATE.S6;
+                            }
+                            else if (xferAudio)
+                            {
+                                State = STATE.S6;
+                            }
+                        }
+                    }
+                    else
+                    {
+                        if (readyArgs.Cancel == CancelType.Graceful)
+                        {
+                            // ignore rc in this and continue transfer as normal
+                            pending = new TW_PENDINGXFERS();
+                            DGControl.PendingXfers.StopFeeder(ref _appIdentity, ref _currentDS, ref pending);
+                        }
+
+                        try
+                        {
+                            if (readyArgs.Cancel != CancelType.SkipCurrent)
+                            {
+                                // transfer normally and only if someone's listening
+                                // to DataTransferred event
+                                if (xferImage)
+                                {
+                                    switch (imgXferMech)
+                                    {
+                                        case TWSX.NATIVE:
+                                            sts = TransferNativeImage(ref pending);
+                                            break;
+                                        case TWSX.FILE:
+                                            sts = TransferFileImage(ref pending);
+                                            break;
+                                        case TWSX.MEMORY:
+                                            sts = TransferMemoryImage(ref pending);
+                                            break;
+                                        case TWSX.MEMFILE:
+                                            sts = TransferMemoryFileImage(ref pending);
+                                            break;
+                                    }
+                                }
+                                else if (xferAudio)
+                                {
+                                    switch (audXferMech)
+                                    {
+                                        case TWSX.NATIVE:
+                                            sts = TransferNativeAudio(ref pending);
+                                            break;
+                                        case TWSX.FILE:
+                                            sts = TransferFileAudio(ref pending);
+                                            break;
+                                    }
+                                }
+                                HandleXferCode(ref sts, ref pending);
+                            }
+                        }
+                        catch (Exception ex)
+                        {
+                            try
+                            {
+                                TransferError?.Invoke(this, new TransferErrorEventArgs(ex));
+                            }
+                            catch { }
+                        }
+                    }
+                } while (sts.RC == TWRC.SUCCESS && pending.Count != 0);
             }
-            catch (Exception ex)
+
+            HandleXferCode(ref sts, ref pending);
+
+            if (State >= STATE.S5)
             {
-              try
-              {
-                TransferError?.Invoke(this, new TransferErrorEventArgs(ex));
-              }
-              catch { }
+                DisableSource();
             }
-          }
-        } while (sts.RC == TWRC.SUCCESS && pending.Count != 0);
-      }
+            _inTransfer = false;
+        }
 
-      HandleXferCode(ref sts, ref pending);
+        private void HandleXferCode(ref STS sts, ref TW_PENDINGXFERS pending)
+        {
+            switch (sts.RC)
+            {
+                case TWRC.SUCCESS:
+                case TWRC.XFERDONE:
+                    // ok to keep going
+                    break;
+                case TWRC.CANCEL:
+                    // might eventually have option to cancel this or all like transfer ready
+                    try
+                    {
+                        TransferCanceled?.Invoke(this, new TransferCanceledEventArgs());
+                    }
+                    catch { }
+                    pending = new TW_PENDINGXFERS();
+                    sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                    pending = new TW_PENDINGXFERS();
+                    sts = WrapInSTS(DGControl.PendingXfers.Reset(ref _appIdentity, ref _currentDS, ref pending));
+                    if (sts.RC == TWRC.SUCCESS) State = STATE.S5;
+                    break;
+                default:
+                    // TODO: raise error event
+                    switch (sts.STATUS.ConditionCode)
+                    {
+                        case TWCC.DAMAGEDCORNER:
+                        case TWCC.DOCTOODARK:
+                        case TWCC.DOCTOOLIGHT:
+                        case TWCC.FOCUSERROR:
+                        case TWCC.NOMEDIA:
+                        case TWCC.PAPERDOUBLEFEED:
+                        case TWCC.PAPERJAM:
+                            pending = new TW_PENDINGXFERS();
+                            sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                            break;
+                        case TWCC.OPERATIONERROR:
+                            var indicators = Caps.CAP_INDICATORS.GetCurrent().FirstOrDefault();
+                            if (_userInterface.ShowUI == 0 && indicators == TW_BOOL.False)
+                            {
+                                // todo: alert user and drop to S4
+                                pending = new TW_PENDINGXFERS();
+                                sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                                pending = new TW_PENDINGXFERS();
+                                sts = WrapInSTS(DGControl.PendingXfers.Reset(ref _appIdentity, ref _currentDS, ref pending));
+                            }
+                            break;
+                    }
+                    break;
+            }
+        }
 
-      if (State >= STATE.S5)
-      {
-        DisableSource();
-      }
-      _inTransfer = false;
-    }
+        private STS TransferFileAudio(ref TW_PENDINGXFERS pending)
+        {
+            // assuming user already configured the transfer in transferready event,
+            // get what will be transferred
+            var rc = DGControl.SetupFileXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPFILEXFER fileSetup);
+            if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
 
-    private void HandleXferCode(ref STS sts, ref TW_PENDINGXFERS pending)
-    {
-      switch (sts.RC)
-      {
-        case TWRC.SUCCESS:
-        case TWRC.XFERDONE:
-          // ok to keep going
-          break;
-        case TWRC.CANCEL:
-          // might eventually have option to cancel this or all like transfer ready
-          try
-          {
-            TransferCanceled?.Invoke(this, new TransferCanceledEventArgs());
-          }
-          catch { }
-          sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-          sts = WrapInSTS(DGControl.PendingXfers.Reset(ref _appIdentity, ref _currentDS, ref pending));
-          if (sts.RC == TWRC.SUCCESS) State = STATE.S5;
-          break;
-        default:
-          // TODO: raise error event
-          switch (sts.STATUS.ConditionCode)
-          {
-            case TWCC.DAMAGEDCORNER:
-            case TWCC.DOCTOODARK:
-            case TWCC.DOCTOOLIGHT:
-            case TWCC.FOCUSERROR:
-            case TWCC.NOMEDIA:
-            case TWCC.PAPERDOUBLEFEED:
-            case TWCC.PAPERJAM:
-              pending = default;
-              sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-              break;
-            case TWCC.OPERATIONERROR:
-              var indicators = Caps.CAP_INDICATORS.GetCurrent().FirstOrDefault();
-              if (_userInterface.ShowUI == 0 && indicators == TW_BOOL.False)
-              {
-                // todo: alert user and drop to S4
+            // and just start it
+            var sts = WrapInSTS(DGAudio.AudioFileXfer.Get(ref _appIdentity, ref _currentDS));
+            if (sts.RC == TWRC.XFERDONE)
+            {
+                State = STATE.S7;
+                try
+                {
+                    DGAudio.AudioInfo.Get(ref _appIdentity, ref _currentDS, out TW_AUDIOINFO info);
+                    var args = new TransferredEventArgs(info, fileSetup);
+                    Transferred?.Invoke(this, args);
+                }
+                catch { }
+
+                pending = new TW_PENDINGXFERS();
                 sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-                sts = WrapInSTS(DGControl.PendingXfers.Reset(ref _appIdentity, ref _currentDS, ref pending));
-              }
-              break;
-          }
-          break;
-      }
-    }
-
-    private STS TransferFileAudio(ref TW_PENDINGXFERS pending)
-    {
-      // assuming user already configured the transfer in transferready event,
-      // get what will be transferred
-      var rc = DGControl.SetupFileXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPFILEXFER fileSetup);
-      if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
-
-      // and just start it
-      var sts = WrapInSTS(DGAudio.AudioFileXfer.Get(ref _appIdentity, ref _currentDS));
-      if (sts.RC == TWRC.XFERDONE)
-      {
-        State = STATE.S7;
-        try
-        {
-          DGAudio.AudioInfo.Get(ref _appIdentity, ref _currentDS, out TW_AUDIOINFO info);
-          var args = new TransferredEventArgs(info, fileSetup);
-          Transferred?.Invoke(this, args);
+                if (sts.RC == TWRC.SUCCESS)
+                {
+                    State = STATE.S6;
+                }
+            }
+            return sts;
         }
-        catch { }
-;
-        sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-        if (sts.RC == TWRC.SUCCESS)
+
+        private STS TransferNativeAudio(ref TW_PENDINGXFERS pending)
         {
-          State = STATE.S6;
-        }
-      }
-      return sts;
-    }
-
-    private STS TransferNativeAudio(ref TW_PENDINGXFERS pending)
-    {
-      IntPtr dataPtr = IntPtr.Zero;
-      IntPtr lockedPtr = IntPtr.Zero;
-      try
-      {
-        var sts = WrapInSTS(DGAudio.AudioNativeXfer.Get(ref _appIdentity, ref _currentDS, out dataPtr));
-        if (sts.RC == TWRC.XFERDONE)
-        {
-          State = STATE.S7;
-          lockedPtr = Lock(dataPtr);
-          BufferedData? data = default;
-
-          // TODO: don't know how to read wav/aiff from pointer yet
-
-          if (data != null)
-          {
+            IntPtr dataPtr = IntPtr.Zero;
+            IntPtr lockedPtr = IntPtr.Zero;
             try
             {
-              DGAudio.AudioInfo.Get(ref _appIdentity, ref _currentDS, out TW_AUDIOINFO info);
-              var args = new TransferredEventArgs(info, data);
-              Transferred?.Invoke(this, args);
-            }
-            catch
-            {
-              data.Dispose();
-            }
-          }
-        }
+                var sts = WrapInSTS(DGAudio.AudioNativeXfer.Get(ref _appIdentity, ref _currentDS, out dataPtr));
+                if (sts.RC == TWRC.XFERDONE)
+                {
+                    State = STATE.S7;
+                    lockedPtr = Lock(dataPtr);
+                    BufferedData? data = default;
 
-        sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-        if (sts.RC == TWRC.SUCCESS)
-        {
-          State = STATE.S6;
-        }
-        return sts;
-      }
-      finally
-      {
-        if (lockedPtr != IntPtr.Zero) Unlock(dataPtr);
-        if (dataPtr != IntPtr.Zero) Free(dataPtr);
-      }
-    }
+                    // TODO: don't know how to read wav/aiff from pointer yet
 
-    private STS TransferMemoryImage(ref TW_PENDINGXFERS pending)
-    {
-      var rc = DGControl.SetupMemXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPMEMXFER memSetup);
-      if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
-      rc = DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
-      if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
-      rc = DGImage.ImageLayout.Get(ref _appIdentity, ref _currentDS, out TW_IMAGELAYOUT layout);
-      if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
+                    if (data != null)
+                    {
+                        try
+                        {
+                            DGAudio.AudioInfo.Get(ref _appIdentity, ref _currentDS, out TW_AUDIOINFO info);
+                            var args = new TransferredEventArgs(info, data);
+                            Transferred?.Invoke(this, args);
+                        }
+                        catch
+                        {
+                            data.Dispose();
+                        }
+                    }
+                }
 
-      uint buffSize = memSetup.DetermineBufferSize();
-      var memPtr = Alloc(buffSize);
-
-      TW_IMAGEMEMXFER memXfer = TW_IMAGEMEMXFER.DONTCARE();
-      TW_IMAGEMEMXFER_MACOSX memXferOSX = TW_IMAGEMEMXFER_MACOSX.DONTCARE();
-      memXfer.Memory = new TW_MEMORY
-      {
-        Flags = (uint)(TWMF.APPOWNS | TWMF.POINTER),
-        Length = buffSize,
-        TheMem = memPtr
-      };
-      memXferOSX.Memory = memXfer.Memory;
-
-      byte[] dotnetBuff = BufferedData.MemPool.Rent((int)buffSize);
-      try
-      {
-        do
-        {
-          rc = TWPlatform.IsMacOSX ?
-            DGImage.ImageMemXfer.Get(ref _appIdentity, ref _currentDS, ref memXferOSX) :
-            DGImage.ImageMemXfer.Get(ref _appIdentity, ref _currentDS, ref memXfer);
-
-          if (rc == TWRC.SUCCESS || rc == TWRC.XFERDONE)
-          {
-            try
-            {
-              var written = TWPlatform.IsMacOSX ?
-                memXferOSX.BytesWritten : memXfer.BytesWritten;
-
-              IntPtr lockedPtr = Lock(memPtr);
-
-              // assemble!
-
-              //Marshal.Copy(lockedPtr, dotnetBuff, 0, (int)written);
-              //outStream.Write(dotnetBuff, 0, (int)written);
+                pending = new TW_PENDINGXFERS();
+                sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                if (sts.RC == TWRC.SUCCESS)
+                {
+                    State = STATE.S6;
+                }
+                return sts;
             }
             finally
             {
-              Unlock(memPtr);
+                if (lockedPtr != IntPtr.Zero) Unlock(dataPtr);
+                if (dataPtr != IntPtr.Zero) Free(dataPtr);
             }
-          }
-        } while (rc == TWRC.SUCCESS);
-      }
-      finally
-      {
-        if (memPtr != IntPtr.Zero) Free(memPtr);
-        BufferedData.MemPool.Return(dotnetBuff);
-      }
-
-
-      if (rc == TWRC.XFERDONE)
-      {
-        try
-        {
-          DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out info);
-          //var args = new DataTransferredEventArgs(info, null, outStream.ToArray());
-          //DataTransferred?.Invoke(this, args);
         }
-        catch { }
 
-        var sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-        if (sts.RC == TWRC.SUCCESS)
+        private STS TransferMemoryImage(ref TW_PENDINGXFERS pending)
         {
-          State = pending.Count == 0 ? STATE.S5 : STATE.S6;
-        }
-        return sts;
-      }
-      return WrapInSTS(rc);
-    }
+            var rc = DGControl.SetupMemXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPMEMXFER memSetup);
+            if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
+            rc = DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
+            if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
+            rc = DGImage.ImageLayout.Get(ref _appIdentity, ref _currentDS, out TW_IMAGELAYOUT layout);
+            if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
 
-    private STS TransferMemoryFileImage(ref TW_PENDINGXFERS pending)
-    {
-      var rc = DGControl.SetupFileXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPFILEXFER fileSetup);
-      if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
-      rc = DGControl.SetupMemXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPMEMXFER memSetup);
-      if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
+            uint buffSize = memSetup.DetermineBufferSize();
+            var memPtr = Alloc(buffSize);
 
-      uint buffSize = memSetup.DetermineBufferSize();
-      var memPtr = Alloc(buffSize);
+            TW_IMAGEMEMXFER memXfer = TW_IMAGEMEMXFER.DONTCARE();
+            TW_IMAGEMEMXFER_MACOSX memXferOSX = TW_IMAGEMEMXFER_MACOSX.DONTCARE();
+            memXfer.Memory = new TW_MEMORY
+            {
+                Flags = (uint)(TWMF.APPOWNS | TWMF.POINTER),
+                Length = buffSize,
+                TheMem = memPtr
+            };
+            memXferOSX.Memory = memXfer.Memory;
 
-      TW_IMAGEMEMXFER memXfer = TW_IMAGEMEMXFER.DONTCARE();
-      TW_IMAGEMEMXFER_MACOSX memXferOSX = TW_IMAGEMEMXFER_MACOSX.DONTCARE();
-      memXfer.Memory = new TW_MEMORY
-      {
-        Flags = (uint)(TWMF.APPOWNS | TWMF.POINTER),
-        Length = buffSize,
-        TheMem = memPtr
-      };
-      memXferOSX.Memory = memXfer.Memory;
-
-      // TODO: how to get actual file size before hand? Is it imagelayout?
-      // otherwise will just write to stream with lots of copies
-      byte[] dotnetBuff = BufferedData.MemPool.Rent((int)buffSize);
-      using var outStream = new MemoryStream();
-      try
-      {
-        do
-        {
-          rc = TWPlatform.IsMacOSX ?
-            DGImage.ImageMemFileXfer.Get(ref _appIdentity, ref _currentDS, ref memXferOSX) :
-            DGImage.ImageMemFileXfer.Get(ref _appIdentity, ref _currentDS, ref memXfer);
-
-          if (rc == TWRC.SUCCESS || rc == TWRC.XFERDONE)
-          {
+            byte[] dotnetBuff = BufferedData.MemPool.Rent((int)buffSize);
             try
             {
-              var written = TWPlatform.IsMacOSX ?
-                memXferOSX.BytesWritten : memXfer.BytesWritten;
+                do
+                {
+                    rc = TWPlatform.IsMacOSX ?
+                      DGImage.ImageMemXfer.Get(ref _appIdentity, ref _currentDS, ref memXferOSX) :
+                      DGImage.ImageMemXfer.Get(ref _appIdentity, ref _currentDS, ref memXfer);
 
-              IntPtr lockedPtr = Lock(memPtr);
-              Marshal.Copy(lockedPtr, dotnetBuff, 0, (int)written);
-              outStream.Write(dotnetBuff, 0, (int)written);
+                    if (rc == TWRC.SUCCESS || rc == TWRC.XFERDONE)
+                    {
+                        try
+                        {
+                            var written = TWPlatform.IsMacOSX ?
+                              memXferOSX.BytesWritten : memXfer.BytesWritten;
+
+                            IntPtr lockedPtr = Lock(memPtr);
+
+                            // assemble!
+
+                            //Marshal.Copy(lockedPtr, dotnetBuff, 0, (int)written);
+                            //outStream.Write(dotnetBuff, 0, (int)written);
+                        }
+                        finally
+                        {
+                            Unlock(memPtr);
+                        }
+                    }
+                } while (rc == TWRC.SUCCESS);
             }
             finally
             {
-              Unlock(memPtr);
+                if (memPtr != IntPtr.Zero) Free(memPtr);
+                BufferedData.MemPool.Return(dotnetBuff);
             }
-          }
-        } while (rc == TWRC.SUCCESS);
-      }
-      finally
-      {
-        if (memPtr != IntPtr.Zero) Free(memPtr);
-        BufferedData.MemPool.Return(dotnetBuff);
-      }
 
-      if (rc == TWRC.XFERDONE)
-      {
-        try
-        {
-          DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
-          // ToArray bypasses the XferMemPool but I guess this will have to do for now
-          var args = new TransferredEventArgs(this, info, fileSetup, new BufferedData(outStream.ToArray(), (int)outStream.Length, false));
-          Transferred?.Invoke(this, args);
+
+            if (rc == TWRC.XFERDONE)
+            {
+                try
+                {
+                    DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out info);
+                    //var args = new DataTransferredEventArgs(info, null, outStream.ToArray());
+                    //DataTransferred?.Invoke(this, args);
+                }
+                catch { }
+
+                pending = new TW_PENDINGXFERS();
+                var sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                if (sts.RC == TWRC.SUCCESS)
+                {
+                    State = pending.Count == 0 ? STATE.S5 : STATE.S6;
+                }
+                return sts;
+            }
+            return WrapInSTS(rc);
         }
-        catch { }
 
-        var sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-        if (sts.RC == TWRC.SUCCESS)
+        private STS TransferMemoryFileImage(ref TW_PENDINGXFERS pending)
         {
-          State = pending.Count == 0 ? STATE.S5 : STATE.S6;
-        }
-        return sts;
-      }
-      return WrapInSTS(rc);
-    }
+            var rc = DGControl.SetupFileXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPFILEXFER fileSetup);
+            if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
+            rc = DGControl.SetupMemXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPMEMXFER memSetup);
+            if (rc != TWRC.SUCCESS) return WrapInSTS(rc);
 
-    private STS TransferFileImage(ref TW_PENDINGXFERS pending)
-    {
-      // assuming user already configured the transfer in transferready event,
-      // get what will be transferred
-      DGControl.SetupFileXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPFILEXFER fileSetup);
-      // and just start it
-      var sts = WrapInSTS(DGImage.ImageFileXfer.Get(ref _appIdentity, ref _currentDS));
-      if (sts.RC == TWRC.XFERDONE)
-      {
-        State = STATE.S7;
-        try
-        {
-          DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
-          var args = new TransferredEventArgs(this, info, fileSetup, default);
-          Transferred?.Invoke(this, args);
-        }
-        catch { }
+            uint buffSize = memSetup.DetermineBufferSize();
+            var memPtr = Alloc(buffSize);
 
-        sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-        if (sts.RC == TWRC.SUCCESS)
-        {
-          State = pending.Count == 0 ? STATE.S5 : STATE.S6;
-        }
-      }
-      return sts;
-    }
+            TW_IMAGEMEMXFER memXfer = TW_IMAGEMEMXFER.DONTCARE();
+            TW_IMAGEMEMXFER_MACOSX memXferOSX = TW_IMAGEMEMXFER_MACOSX.DONTCARE();
+            memXfer.Memory = new TW_MEMORY
+            {
+                Flags = (uint)(TWMF.APPOWNS | TWMF.POINTER),
+                Length = buffSize,
+                TheMem = memPtr
+            };
+            memXferOSX.Memory = memXfer.Memory;
 
-    private STS TransferNativeImage(ref TW_PENDINGXFERS pending)
-    {
-      IntPtr dataPtr = IntPtr.Zero;
-      IntPtr lockedPtr = IntPtr.Zero;
-      try
-      {
-        DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
-        var sts = WrapInSTS(DGImage.ImageNativeXfer.Get(ref _appIdentity, ref _currentDS, out dataPtr));
-        if (sts.RC == TWRC.XFERDONE)
-        {
-          State = STATE.S7;
-          lockedPtr = Lock(dataPtr);
-          BufferedData? data = default;
-
-          if (ImageTools.IsDib(lockedPtr))
-          {
-            data = ImageTools.GetBitmapData(lockedPtr);
-          }
-          else if (ImageTools.IsTiff(lockedPtr))
-          {
-            data = ImageTools.GetTiffData(lockedPtr);
-          }
-          else
-          {
-            // PicHandle?
-            // don't support more formats :(
-          }
-
-          if (data != null)
-          {
+            // TODO: how to get actual file size before hand? Is it imagelayout?
+            // otherwise will just write to stream with lots of copies
+            byte[] dotnetBuff = BufferedData.MemPool.Rent((int)buffSize);
+            using var outStream = new MemoryStream();
             try
             {
-              // some sources do not support getting image info in state 7 so
-              // it's up there in the beginning now.
-              var args = new TransferredEventArgs(this, info, null, data);
-              Transferred?.Invoke(this, args);
+                do
+                {
+                    rc = TWPlatform.IsMacOSX ?
+                      DGImage.ImageMemFileXfer.Get(ref _appIdentity, ref _currentDS, ref memXferOSX) :
+                      DGImage.ImageMemFileXfer.Get(ref _appIdentity, ref _currentDS, ref memXfer);
+
+                    if (rc == TWRC.SUCCESS || rc == TWRC.XFERDONE)
+                    {
+                        try
+                        {
+                            var written = TWPlatform.IsMacOSX ?
+                              memXferOSX.BytesWritten : memXfer.BytesWritten;
+
+                            IntPtr lockedPtr = Lock(memPtr);
+                            Marshal.Copy(lockedPtr, dotnetBuff, 0, (int)written);
+                            outStream.Write(dotnetBuff, 0, (int)written);
+                        }
+                        finally
+                        {
+                            Unlock(memPtr);
+                        }
+                    }
+                } while (rc == TWRC.SUCCESS);
             }
-            catch
+            finally
             {
-              data.Dispose();
+                if (memPtr != IntPtr.Zero) Free(memPtr);
+                BufferedData.MemPool.Return(dotnetBuff);
             }
-          }
 
+            if (rc == TWRC.XFERDONE)
+            {
+                try
+                {
+                    DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
+                    // ToArray bypasses the XferMemPool but I guess this will have to do for now
+                    var args = new TransferredEventArgs(this, info, fileSetup, new BufferedData(outStream.ToArray(), (int)outStream.Length, false));
+                    Transferred?.Invoke(this, args);
+                }
+                catch { }
 
-          sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
-          if (sts.RC == TWRC.SUCCESS)
-          {
-            State = pending.Count == 0 ? STATE.S5 : STATE.S6;
-          }
+                pending = new TW_PENDINGXFERS();
+                var sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                if (sts.RC == TWRC.SUCCESS)
+                {
+                    State = pending.Count == 0 ? STATE.S5 : STATE.S6;
+                }
+                return sts;
+            }
+            return WrapInSTS(rc);
         }
-        return sts;
-      }
-      finally
-      {
-        if (lockedPtr != IntPtr.Zero) Unlock(dataPtr);
-        if (dataPtr != IntPtr.Zero) Free(dataPtr);
-      }
-    }
 
-  }
+        private STS TransferFileImage(ref TW_PENDINGXFERS pending)
+        {
+            // assuming user already configured the transfer in transferready event,
+            // get what will be transferred
+            DGControl.SetupFileXfer.Get(ref _appIdentity, ref _currentDS, out TW_SETUPFILEXFER fileSetup);
+            // and just start it
+            var sts = WrapInSTS(DGImage.ImageFileXfer.Get(ref _appIdentity, ref _currentDS));
+            if (sts.RC == TWRC.XFERDONE)
+            {
+                State = STATE.S7;
+                try
+                {
+                    DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
+                    var args = new TransferredEventArgs(this, info, fileSetup, default);
+                    Transferred?.Invoke(this, args);
+                }
+                catch { }
+
+                pending = new TW_PENDINGXFERS();
+                sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                if (sts.RC == TWRC.SUCCESS)
+                {
+                    State = pending.Count == 0 ? STATE.S5 : STATE.S6;
+                }
+            }
+            return sts;
+        }
+
+        private STS TransferNativeImage(ref TW_PENDINGXFERS pending)
+        {
+            IntPtr dataPtr = IntPtr.Zero;
+            IntPtr lockedPtr = IntPtr.Zero;
+            try
+            {
+                DGImage.ImageInfo.Get(ref _appIdentity, ref _currentDS, out TW_IMAGEINFO info);
+                var sts = WrapInSTS(DGImage.ImageNativeXfer.Get(ref _appIdentity, ref _currentDS, out dataPtr));
+                if (sts.RC == TWRC.XFERDONE)
+                {
+                    State = STATE.S7;
+                    lockedPtr = Lock(dataPtr);
+                    BufferedData? data = default;
+
+                    if (ImageTools.IsDib(lockedPtr))
+                    {
+                        data = ImageTools.GetBitmapData(lockedPtr);
+                    }
+                    else if (ImageTools.IsTiff(lockedPtr))
+                    {
+                        data = ImageTools.GetTiffData(lockedPtr);
+                    }
+                    else
+                    {
+                        // PicHandle?
+                        // don't support more formats :(
+                    }
+
+                    if (data != null)
+                    {
+                        try
+                        {
+                            // some sources do not support getting image info in state 7 so
+                            // it's up there in the beginning now.
+                            var args = new TransferredEventArgs(this, info, null, data);
+                            Transferred?.Invoke(this, args);
+                        }
+                        catch
+                        {
+                            data.Dispose();
+                        }
+                    }
+
+
+                    pending = new TW_PENDINGXFERS();
+                    sts = WrapInSTS(DGControl.PendingXfers.EndXfer(ref _appIdentity, ref _currentDS, ref pending));
+                    if (sts.RC == TWRC.SUCCESS)
+                    {
+                        State = pending.Count == 0 ? STATE.S5 : STATE.S6;
+                    }
+                }
+                return sts;
+            }
+            finally
+            {
+                if (lockedPtr != IntPtr.Zero) Unlock(dataPtr);
+                if (dataPtr != IntPtr.Zero) Free(dataPtr);
+            }
+        }
+
+    }
 }