diff --git a/src/NTwain/Triplets/Control/PassThru.cs b/src/NTwain/Triplets/Control/PassThru.cs
new file mode 100644
index 0000000..2bf9d81
--- /dev/null
+++ b/src/NTwain/Triplets/Control/PassThru.cs
@@ -0,0 +1,47 @@
+using NTwain.Data;
+using NTwain.Internals;
+
+namespace NTwain.Triplets.Control
+{
+    /// <summary>
+    /// Represents <see cref="DataArgumentType.PassThru"/>.
+    /// </summary>
+	public sealed class PassThru : BaseTriplet
+	{
+		internal PassThru(TwainSession session) : base(session) { }
+
+        /// <summary>
+        /// PASSTHRU is intended for the use of Source writers writing diagnostic applications. It allows
+        /// raw communication with the currently selected device in the Source.
+        /// </summary>
+        /// <param name="data">The pass thru data.</param>
+        /// <returns></returns>
+        public ReturnCode PassThrough(ref TW_PASSTHRU data)
+        {
+            if (Is32Bit)
+            {
+                if (IsWin)
+                    return NativeMethods.DsmWin32(Session.Config.App32, Session.CurrentSource.Identity32,
+                        DataGroups.Control, DataArgumentType.PassThru, Message.PassThru, ref data);
+                if (IsLinux)
+                    return NativeMethods.DsmLinux32(Session.Config.App32, Session.CurrentSource.Identity32,
+                        DataGroups.Control, DataArgumentType.PassThru, Message.PassThru, ref data);
+                if (IsMac)
+                    return NativeMethods.DsmMac32(Session.Config.App32, Session.CurrentSource.Identity32,
+                        DataGroups.Control, DataArgumentType.PassThru, Message.PassThru, ref data);
+            }
+
+            if (IsWin)
+                return NativeMethods.DsmWin64(Session.Config.App32, Session.CurrentSource.Identity32,
+                    DataGroups.Control, DataArgumentType.PassThru, Message.PassThru, ref data);
+            if (IsLinux)
+                return NativeMethods.DsmLinux64(Session.Config.App32, Session.CurrentSource.Identity32,
+                    DataGroups.Control, DataArgumentType.PassThru, Message.PassThru, ref data);
+            if (IsMac)
+                return NativeMethods.DsmMac64(Session.Config.App32, Session.CurrentSource.Identity32,
+                    DataGroups.Control, DataArgumentType.PassThru, Message.PassThru, ref data);
+
+            return ReturnCode.Failure;
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/NTwain/Triplets/DGControl.cs b/src/NTwain/Triplets/DGControl.cs
index 0097138..0e6ef0c 100644
--- a/src/NTwain/Triplets/DGControl.cs
+++ b/src/NTwain/Triplets/DGControl.cs
@@ -51,6 +51,12 @@ namespace NTwain.Triplets
         CustomDSData _custDSData;
         internal CustomDSData CustomDSData => _custDSData ?? (_custDSData = new CustomDSData(Session));
 
+        PassThru _passThru;
+        /// <summary>
+        /// Gets the operations defined for DAT_PASSTHRU.
+        /// </summary>
+        public PassThru PassThru => _passThru ?? (_passThru = new PassThru(Session));
+
         XferGroup _xferGroup;
         /// <summary>
         /// Gets the operations defined for DAT_XFERGROUP.