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Date Posted: 20:45:27 02/23/04 Mon
Author: Michel
Subject: Re: Scanning multiple pages in one session
In reply to: Paul 's message, "Re: Scanning multiple pages in one session" on 10:19:28 02/23/04 Mon

Hi Paul,

I am not sure at this level of detail. There are various states in the twain model, and OpenSource probably is not at the same level as what you are trying to achieve. I have noted this but won't be looking at this in the short term.

Best regards,


>If you have a look at IrfanView there is an option (in
>preferences, Misc 1) not to close the TWAIN dialog
>after acquire - which seems to work with any TWAIN
>source. I was looking to recreate that using the
>TScanner object.
>>I believe(and i could be wrong here) that it depends
>>on the drivers for your scanner and its own built in
>>UI. If i am correct, and Michel can correct me,
>>Envision just calls the twain interface which is setup
>>by your scanners twain drivers. It sounds like your
>>scanner driver may not support multi-page scans. Again
>>i could be wrong here, just speaking from personal
>>Hope this helps,
>>>Is there a way to open the UI and then accept
>>>scans before the user closes the UI? I tried
>>>opensource and AcquireWithSourceOpen but it didn't
>>>seem to work. I'm using Delphi so any source
>>>examplese would be welcome.

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