ShowSelectSource throws System.ApplicationException without any details message  on a 64bit server. I have compiled my program forx86 bit - so it should work on 64 bit machines. I am also having trouble with getting the default device.

Hello, Our scanning application (using DotTwain 8.0) works fine on most of our workstations running XP Pro.However on some workstations the app freezes after the Acquire() method.The CPU utilization goes up to 50% (on a dual core CPU) and does not respond anymore.This problem arises with some of our Fujitsu fi-5120C scanners, but not on ...

Has anyone run across this before?  I set device.HideInterface according to whether the associated toolbar button is depressed or not.  When the button is not depressed, device.HideInterface is false and there is no issue. However, when I click my Scan button while the Hide Interface button is depressed, a lot of the times I get this ...

Any word on a set date for a new version (maintenance or full) for DotTwain?

Hello all - has anyone ever had this problem?  This scanner would feed the pages through when I hit the ''Scan'' button in my app, but the acquisition events never get fired.  Sometimes the scanner's wheels just keep turning, as if it's expecting something more.  I hit ''Cancel'' on the scanner's interface, and it says it's ...

Hello, We are evaluating your DotTwain toolkit for a scanning application.We have almost one hundred Fujitsu scanners, mostly fi-5220C.Our target platform is Windows XP, our development environment is Windows 2003 Server.We just downloaded the latest Twain drivers from the Fujitsu website.All works as expected, except that we can' t set the ...

Hello all!  In an attempt to resolve earlier posted issue with blurred or smeared images, I upgraded my VRS from v4.1 to an evaluation copy of v4.5.  Doing this now inverts the images acquired - even in the workspaceviewer and thumbnailfolderviewer controls.  Any ideas why this happened?

Hi all... first post! I am writing a TWAIN scanning app, and I noticed that when using VRS v4.1, I would get a random blurring or ''smearing'' of the page, such as seen in the attached example.  Anyone know why this would happen?

Hi,   I'm experiencing a bit of a problem with DotTwain 6.0 for .Net 1.1 I was experiencing this with 6.0a so I updated to 6.0d and the problem still exists. Whenever I perform a scan, I listen for events raised from the Acquisition entity. I listen for ImageAcquired, AcquireFinished, AcquireCanceled and AsynchronousException.   However, ...

I was using Windows 2000(WEBSERVER), now i'm using Windows 2003. I made the same configuration of 2000 in my 2003. My object (DotTwain) doesn't open in Client. I need know what i must do ! If Windows Server 2003 need of any specifies configurations! We compared all configurations between Server 2000 and Server 2003 (IIS) and they are ok !