Eugene Wang

I actually don't know how to piece together the memory transfer tiles myself so I'm no help on that front. As for the double image, I imagine the preview image...

The closest one is the `SourceDisabled` event on the twain session that happens when the scan action ends.

Does it support CAP_DEVICEEVENT to set the ones you want to know and later can listen to in session's DeviceEvent? If it doesn't then I'm not sure how else you...

It essentially needs to be able to get into the UI message loop to intercept messages and pass some of them to TWAIN. This does not seem possible when I...

While I appear to have a working self-hosted loop using winform that works in other places (like avalon ui), WinUI3 apps just don't seem to work with twain in general....

The lib does not have code that creates directories. Could it be the scanner driver is trying to use some temp folder and don't have permissions?

If it's getting reset after a single transfer then maybe set it again during one of the transfer events.

Not sure I understand why yet. HP driver doesn't support this operationg correctly? Is it giving incorrect values or even non-success when calling it? The result of the initial pending...

If problem is happening after EndXfer then the PR shouldn't fix it (unless it does?). It may be a bug where TWPendingXfers count needs to be reset to DoNotCare before...