No TWAIN Data Source installed – 64 bit windows

[shomyj]

I had installed Twain libraries and DLL for 64 bit windows.

When I run, got below error.

SK.gnome.twain.TwainException: No TWAIN Data Source installed
at SK.gnome.twain.TwainManager.isAvailable(Native Method)

On checking further with Twain_32_Tracker, I am able to get scanner through WIA. But if I select option for TWAIN 2.0, it is not getting listed.

With Twain_64_Tracker, it is not at all coming in the list. My application is 64 bit.

But if I use below one, I am able to get the scanner.
http://www.gnome.eu/Twain/examples/studio.html

[MarkM]

You need to use native 64-bit TWAIN drivers with native 64-bit applications. Check here for a list of scanners that support native 64-bit…
https://www.twain.org/about-twain/devices

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