@sklett wrote:
…he was saying that “this is a TWAIN provided dialog, I really don’t see how they can be different”…
Here’s one piece of your puzzle:
The select source dialog is part of the TWAIN Data Source Manager. The dialog that lists 2 sources is DSM 1.x [c:windowstwain_32.dll]. The other one is DSM 2.0 [c:windowssystem32twaindsm.dll].
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