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Detecting USB-scanner

Jos Roijakkers
5/24/2007 5:24:25 PM

vb.net controls: Hi,

I am writing an application in Visual Studio 2005 (VB.Net) that uses a TWAIN-compatible
scanner. I was wondering how I can detect whether or not the scanner is connected
to the pc.
The application should work under Win XP and Vista.

TIA,

Jos Roijakkers
mailto:j.roijakkers@qred-it.n

Re: Detecting USB-scanner

Jos Roijakkers
5/27/2007 6:16:03 PM

Anyone, please?

Jos Roijakkers
mailto:j.roijakkers@qred-it.nl

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Re: Detecting USB-scanner

Jos Roijakkers
5/27/2007 6:16:25 PM

Anyone, please?

Jos Roijakkers
mailto:j.roijakkers@qred-it.nl

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Re: Detecting USB-scanner

Ray Cassick
5/27/2007 7:43:38 PM

I can't offer too much help on the Twain stuff but I can recomend that you
have a look at Windows Imaging Architechture (WIA) instead

http://www.microsoft.com/whdc/device/stillimage/WIA-arch.mspx

Using Windows Image Acquisition
http://msdn2.microsoft.com/en-us/library/ms630378.aspx

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Re: Detecting USB-scanner

George Hardy
8/9/2007 4:10:25 PM

vintasoft makes a nice twain-compliant library for .net. that also has a
multi-page tiff component.

another one is atlasoft.

hth,
george hardy

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