Forum Discussion
oconobee
Dec 09, 2025Tin Contributor
Trying to MSIX package LOB application that needs TWAIN access
So I think this isn't possible but I just wanted to ask. I've a LOB application that needs to access TWAIN scanning devices. How this works in a normal environment is that the TWAINDSM.dll (TWAI...
oconobee
Feb 11, 2026Tin Contributor
Thank you for posting this information.
I will give it a go and see how it works out.
From memory, I was able to load the twain_32.dll library OK from an MSIX container, and it was able to scan the C:\windows\twain_32\ folder for scanner drivers, but when it loaded the scanner *.ds drivers from their subfolders, they were not able to initialize because when it tried to load their own dll dependencies, it could not locate them because the C:\windows\twain_32\MyScannerDriver\ folder wasn't part of the search path.
So ProcMon would show it looking for its dependencies in the VFS\windows\twain_32\MyScannerDriver\ location instead of C:\Windows\twain_32\MyScannerDriver\
Peer-Atle
Jul 27, 2026Brass Contributor
Any success?