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 TwainDemo doesn't show devices on Windows10 64bit

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T O P I C    R E V I E W
kmr Posted - May 11 2019 : 18:18:02
Hi,

I ran into a problem with the original TwainDemo on Windows 10 Pro 64bit.
If I compile for Windows 32 everything is fine and the devices are all shown in the combobox.
If I complie for Windows 64 no device is shown.

Am I doing something wrong? Is it not implemented?

Talking about
ImageEn 8.3 with Source
Delphi 10.2 Update 2
Windows 10 Pro 64bit
3   L A T E S T    R E P L I E S    (Newest First)
kmr Posted - May 13 2019 : 09:33:05
Thanks to both of you for your infos!
I wasn't aware of that.
So I have to switch to WIA for scanning in a 64bit application since I didn't even find information about 64bit drivers. Drivers for Windows 10 64bit are apparently not sufficient.
xequte Posted - May 12 2019 : 17:21:36
Actually, I'm not aware that that's a bug. 64bit apps require 64bit drivers, which are generally not installed.

Have you tried another 64bit scan app to confirm your drivers?

Nigel
Xequte Software
www.imageen.com
PStadler Posted - May 12 2019 : 04:53:39
Hello,

This is a bug, which I reported just several months ago.

So I use only the 32 Bit version.

Sincerely Peter