Add rest of DG image triplets.

src/NTwain/DSM/DSMGenerator.tt

@@ -188,6 +188,83 @@ namespace NTwain.DSM
         ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref <#= file.identityClass #> origin, ref <#= file.identityClass #> dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }
 <#

src/NTwain/DSM/Linux64DSM.cs

@@ -168,5 +168,82 @@ namespace NTwain.DSM
         ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }

src/NTwain/DSM/LinuxBotched64DSM.cs

@@ -168,5 +168,82 @@ namespace NTwain.DSM
         ref TW_IDENTITY origin, ref TW_IDENTITY dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY origin, ref TW_IDENTITY dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }

src/NTwain/DSM/LinuxDSM.cs

@@ -168,5 +168,82 @@ namespace NTwain.DSM
         ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }

src/NTwain/DSM/OSXLegacyDSM.cs

@@ -168,5 +168,82 @@ namespace NTwain.DSM
         ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }

src/NTwain/DSM/OSXNewDSM.cs

@@ -168,5 +168,82 @@ namespace NTwain.DSM
         ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_MACOSX origin, ref TW_IDENTITY_MACOSX dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }

src/NTwain/DSM/WinLegacyDSM.cs

@@ -168,5 +168,82 @@ namespace NTwain.DSM
         ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }

src/NTwain/DSM/WinNewDSM.cs

@@ -168,5 +168,82 @@ namespace NTwain.DSM
         ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
         DG dg, DAT dat, MSG msg, ref TW_AUDIOINFO auioinfo
     );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEMEMXFER memxfer
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_CIECOLOR ciecolor
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_EXTIMAGEINFO imginfo
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_FILTER filter
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_GRAYRESPONSE resp
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_MEMORY mem
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGEINFO info
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_IMAGELAYOUT layout
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_JPEGCOMPRESSION compression
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_PALETTE8 palette
+    );
+
+    [DllImport(DsmName, CharSet = CharSet.Ansi)]
+    public static extern ushort DSM_Entry
+    (
+        ref TW_IDENTITY_LEGACY origin, ref TW_IDENTITY_LEGACY dest,
+        DG dg, DAT dat, MSG msg, ref TW_RGBRESPONSE resp
+    );
   }
 }

src/NTwain/NTwain.csproj

@@ -16,10 +16,6 @@
     <PackageReference Include="System.Text.Encoding.CodePages" Version="7.0.0" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Triplets\ImageDATs\" />
-  </ItemGroup>
-
   <ItemGroup>
     <None Update="DSM\DSMGenerator.dummy">
       <DesignTime>True</DesignTime>

src/NTwain/Triplets/DGImage.cs

@@ -1,9 +1,39 @@
-namespace NTwain.Triplets
+using NTwain.Data;
+using NTwain.Triplets.ImageDATs;
+
+namespace NTwain.Triplets
 {
   /// <summary>
   /// Contains triplet calls starting with <see cref="DG.IMAGE"/>.
   /// </summary>
   public static class DGImage
   {
+    public static readonly CieColor CieColor = new();
+
+    public static readonly ExtImageInfo ExtImageInfo = new();
+
+    public static readonly Filter Filter = new();
+
+    public static readonly GrayResponse GrayResponse = new();
+
+    public static readonly IccProfile IccProfile = new();
+
+    public static readonly ImageFileXfer ImageFileXfer = new();
+
+    public static readonly ImageInfo ImageInfo = new();
+
+    public static readonly ImageLayout ImageLayout = new();
+
+    public static readonly ImageMemFileXfer ImageMemFileXfer = new();
+
+    public static readonly ImageMemXfer ImageMemXfer = new();
+
+    public static readonly ImageNativeXfer ImageNativeXfer = new();
+
+    public static readonly JpegCompression JpegCompression = new();
+
+    public static readonly Palette8 Palette8 = new();
+
+    public static readonly RgbResponse RgbResponse = new();
   }
 }

src/NTwain/Triplets/ImageDATs/CieColor.cs

@@ -0,0 +1,45 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.CIECOLOR"/>.
+  /// </summary>
+  public class CieColor
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_CIECOLOR data)
+      => DoIt(ref app, ref ds, MSG.GET, out data);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, out TW_CIECOLOR data)
+    {
+      var rc = STS.FAILURE;
+      data = default;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.CIECOLOR, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.CIECOLOR, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.CIECOLOR, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.CIECOLOR, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/ExtImageInfo.cs

@@ -0,0 +1,45 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.EXTIMAGEINFO"/>.
+  /// </summary>
+  public class ExtImageInfo
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_EXTIMAGEINFO data)
+      => DoIt(ref app, ref ds, MSG.GET, out data);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, out TW_EXTIMAGEINFO data)
+    {
+      var rc = STS.FAILURE;
+      data = default;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.EXTIMAGEINFO, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.EXTIMAGEINFO, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.EXTIMAGEINFO, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.EXTIMAGEINFO, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/Filter.cs

@@ -0,0 +1,59 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.FILTER"/>.
+  /// </summary>
+  public class Filter
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_FILTER data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GET, ref data);
+    }
+    public STS GetDefault(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_FILTER data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GETDEFAULT, ref data);
+    }
+    public STS Set(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, ref TW_FILTER data)
+      => DoIt(ref app, ref ds, MSG.SET, ref data);
+    public STS Reset(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_FILTER data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.RESET, ref data);
+    }
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, ref TW_FILTER data)
+    {
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.FILTER, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.FILTER, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.FILTER, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.FILTER, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/GrayResponse.cs

@@ -0,0 +1,49 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.GRAYRESPONSE"/>.
+  /// </summary>
+  public class GrayResponse
+  {
+    public STS Set(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, ref TW_GRAYRESPONSE data)
+      => DoIt(ref app, ref ds, MSG.SET, ref data);
+    public STS Reset(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_GRAYRESPONSE data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.RESET, ref data);
+    }
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, ref TW_GRAYRESPONSE data)
+    {
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.GRAYRESPONSE, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.GRAYRESPONSE, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.GRAYRESPONSE, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.GRAYRESPONSE, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/IccProfile.cs

@@ -0,0 +1,45 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.ICCPROFILE"/>.
+  /// </summary>
+  public class IccProfile
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_MEMORY data)
+      => DoIt(ref app, ref ds, MSG.GET, out data);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, out TW_MEMORY data)
+    {
+      var rc = STS.FAILURE;
+      data = default;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.ICCPROFILE, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.ICCPROFILE, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.ICCPROFILE, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.ICCPROFILE, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/ImageFileXfer.cs

@@ -0,0 +1,45 @@
+using NTwain.Data;
+using NTwain.DSM;
+using System;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.IMAGEFILEXFER"/>.
+  /// </summary>
+  public class ImageFileXfer
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds)
+      => DoIt(ref app, ref ds, MSG.GET);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg)
+    {
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEFILEXFER, msg, IntPtr.Zero);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEFILEXFER, msg, IntPtr.Zero);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEFILEXFER, msg, IntPtr.Zero);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEFILEXFER, msg, IntPtr.Zero);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/ImageInfo.cs

@@ -0,0 +1,45 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.IMAGEINFO"/>.
+  /// </summary>
+  public class ImageInfo
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_IMAGEINFO data)
+      => DoIt(ref app, ref ds, MSG.GET, out data);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, out TW_IMAGEINFO data)
+    {
+      var rc = STS.FAILURE;
+      data = default;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEINFO, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEINFO, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEINFO, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEINFO, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/ImageLayout.cs

@@ -0,0 +1,59 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.IMAGELAYOUT"/>.
+  /// </summary>
+  public class ImageLayout
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_IMAGELAYOUT data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GET, ref data);
+    }
+    public STS GetDefault(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_IMAGELAYOUT data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GETDEFAULT, ref data);
+    }
+    public STS Set(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, ref TW_IMAGELAYOUT data)
+      => DoIt(ref app, ref ds, MSG.SET, ref data);
+    public STS Reset(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_IMAGELAYOUT data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.RESET, ref data);
+    }
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, ref TW_IMAGELAYOUT data)
+    {
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGELAYOUT, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGELAYOUT, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGELAYOUT, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGELAYOUT, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/ImageMemFileXfer.cs

@@ -0,0 +1,45 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.IMAGEMEMFILEXFER"/>.
+  /// </summary>
+  public class ImageMemFileXfer
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_IMAGEMEMXFER data)
+      => DoIt(ref app, ref ds, MSG.GET, out data);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, out TW_IMAGEMEMXFER data)
+    {
+      data = default;
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEMEMFILEXFER, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEMEMFILEXFER, msg, ref data);
+        }
+      }
+      //else if (TwainPlatform.IsMacOSX)
+      //{
+      //  TW_IDENTITY_MACOSX app2 = app;
+      //  TW_IDENTITY_MACOSX ds2 = ds;
+      //  if (TwainPlatform.PreferLegacyDSM)
+      //  {
+      //    rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEMEMXFER, msg, ref data);
+      //  }
+      //  else
+      //  {
+      //    rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEMEMXFER, msg, ref data);
+      //  }
+      //}
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/ImageMemXfer.cs

@@ -0,0 +1,45 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.IMAGEMEMXFER"/>.
+  /// </summary>
+  public class ImageMemXfer
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_IMAGEMEMXFER data)
+      => DoIt(ref app, ref ds, MSG.GET, out data);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, out TW_IMAGEMEMXFER data)
+    {
+      data = default;
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEMEMXFER, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGEMEMXFER, msg, ref data);
+        }
+      }
+      //else if (TwainPlatform.IsMacOSX)
+      //{
+      //  TW_IDENTITY_MACOSX app2 = app;
+      //  TW_IDENTITY_MACOSX ds2 = ds;
+      //  if (TwainPlatform.PreferLegacyDSM)
+      //  {
+      //    rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEMEMXFER, msg, ref data);
+      //  }
+      //  else
+      //  {
+      //    rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGEMEMXFER, msg, ref data);
+      //  }
+      //}
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/ImageNativeXfer.cs

@@ -0,0 +1,46 @@
+using NTwain.Data;
+using NTwain.DSM;
+using System;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.IMAGENATIVEXFER"/>.
+  /// </summary>
+  public class ImageNativeXfer
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out IntPtr data)
+      => DoIt(ref app, ref ds, MSG.GET, out data);
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, out IntPtr data)
+    {
+      var rc = STS.FAILURE;
+      data = IntPtr.Zero;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGENATIVEXFER, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.IMAGENATIVEXFER, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGENATIVEXFER, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.IMAGENATIVEXFER, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/JpegCompression.cs

@@ -0,0 +1,59 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.JPEGCOMPRESSION"/>.
+  /// </summary>
+  public class JpegCompression
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_JPEGCOMPRESSION data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GET, ref data);
+    }
+    public STS GetDefault(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_JPEGCOMPRESSION data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GETDEFAULT, ref data);
+    }
+    public STS Set(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, ref TW_JPEGCOMPRESSION data)
+      => DoIt(ref app, ref ds, MSG.SET, ref data);
+    public STS Reset(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_JPEGCOMPRESSION data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.RESET, ref data);
+    }
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, ref TW_JPEGCOMPRESSION data)
+    {
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.JPEGCOMPRESSION, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.JPEGCOMPRESSION, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.JPEGCOMPRESSION, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.JPEGCOMPRESSION, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/Palette8.cs

@@ -0,0 +1,59 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.PALETTE8"/>.
+  /// </summary>
+  public class Palette8
+  {
+    public STS Get(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_PALETTE8 data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GET, ref data);
+    }
+    public STS GetDefault(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_PALETTE8 data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.GETDEFAULT, ref data);
+    }
+    public STS Set(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, ref TW_PALETTE8 data)
+      => DoIt(ref app, ref ds, MSG.SET, ref data);
+    public STS Reset(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_PALETTE8 data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.RESET, ref data);
+    }
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, ref TW_PALETTE8 data)
+    {
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.PALETTE8, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.PALETTE8, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.PALETTE8, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.PALETTE8, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}

src/NTwain/Triplets/ImageDATs/RgbResponse.cs

@@ -0,0 +1,49 @@
+using NTwain.Data;
+using NTwain.DSM;
+
+namespace NTwain.Triplets.ImageDATs
+{
+  /// <summary>
+  /// Contains calls used with <see cref="DG.IMAGE"/> and <see cref="DAT.RGBRESPONSE"/>.
+  /// </summary>
+  public class RgbResponse
+  {
+    public STS Set(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, ref TW_RGBRESPONSE data)
+      => DoIt(ref app, ref ds, MSG.SET, ref data);
+    public STS Reset(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, out TW_RGBRESPONSE data)
+    {
+      data = default;
+      return DoIt(ref app, ref ds, MSG.RESET, ref data);
+    }
+
+    static STS DoIt(ref TW_IDENTITY_LEGACY app, ref TW_IDENTITY_LEGACY ds, MSG msg, ref TW_RGBRESPONSE data)
+    {
+      var rc = STS.FAILURE;
+      if (TwainPlatform.IsWindows)
+      {
+        if (TwainPlatform.Is32bit && TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)WinLegacyDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.RGBRESPONSE, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)WinNewDSM.DSM_Entry(ref app, ref ds, DG.IMAGE, DAT.RGBRESPONSE, msg, ref data);
+        }
+      }
+      else if (TwainPlatform.IsMacOSX)
+      {
+        TW_IDENTITY_MACOSX app2 = app;
+        TW_IDENTITY_MACOSX ds2 = ds;
+        if (TwainPlatform.PreferLegacyDSM)
+        {
+          rc = (STS)OSXLegacyDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.RGBRESPONSE, msg, ref data);
+        }
+        else
+        {
+          rc = (STS)OSXNewDSM.DSM_Entry(ref app2, ref ds2, DG.IMAGE, DAT.RGBRESPONSE, msg, ref data);
+        }
+      }
+      return rc;
+    }
+  }
+}