I think this is a weird error. I have an EPSON scanner that installs both TWAIN and WIA drivers. If I call TWAINAcquitreToGdPictureImage() with the WIA scanner name it works, but if I call WiaAcquireToGdPictureImage() with the sourceId, it just returns 0. How can this be?
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ORPALIS produces document imaging software for developers and general public. ORPALIS maintains the comprehensive document imaging toolkit series released under the brand "GdPicture", which is now a worldwide known and respected leader in imaging technologies...more