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Joined: Tue Jan 05, 2016 6:04 am
Posts: 1
Win7 64 with a C# app compiled for 32bit.

I have an HP Officejet and when I call SelectSource it presents me with two options. The first is twain, the 2nd is WIA.

I can choose either option and I get the windows dialog for that interface and I can scan.

When I pick the twain interface, while the dialog works and scans, no events fire in my C# and AcquireImage never ever returns and my app is now hung.

When I pick the WIA one, events fire and AcquireImage returns and it works fine..

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Joined: Tue Mar 08, 2005 12:23 am
Posts: 1706
Hi Hfirst,

Have you checked the TWAIN driver with TWACKER? If not, please have a try and let me know how it works.


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