Reply To: Duplex issue in C# coding with twain_32.dll Forums › TWAIN Classic › Duplex issue in C# coding with twain_32.dll › Reply To: Duplex issue in C# coding with twain_32.dll June 22, 2009 at 7:08 pm #24909 gabeParticipant Topics - 9Replies - 583Total Posts - 592 ..maybe if you could be a little more specific .