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Unfortunatelly the Twain’s documentation is not very easy to learn.
Now I’ve this situation. Imagine that I have the Twain sample source. Fine, now I have a DLL that implements a full-working twain client. In this DLL I export some function as a function that bind the TWAIN_32.DLL, and this is working loaded into the “OpenDS” function implemented into the Twain sample source, and also export another function as “OpenDS” that simply open the DS. If I call this DLL from a normal EXE he works. But if I try to open from the source dll (.ds) simply crashes.
I’m going crazy with this problem … excuse me for my BAD english, and if you have any hints … please let me know and see some sample code!