Windows Image Acquisition (WIA) is a Microsoft driver model and API that enables software to communicate with image acquisition devices such as scanners, digital cameras and Digital Video-equipment.
WIA is a good alternative to control non TWAIN-compliant device.
GdPicture.NET offers a battery of functions to control imaging devices through WIA model in native 32-bit or 64-bit mode with few lines of code & high level of stability.
Download and install GdPicture.NET package from here.
You will be able to find a compiled demo applications in
[Install directory]\Samples\Bin\
You will be able to find C# and VB.NET demo applications including source code in
[Install directory]\Samples\WinForm\ (see WIA Scanning app.)
You will find other code snippets within the online reference guide found here http://guides.gdpicture.com
You can find some discussions about WIA in the dedicated section of our community forums located here WIA Acquisition forum