•  
  •  
  •  
 

Browse by Tags

All Tags » DotTwain
Showing page 1 of 4 (36 total posts)
  • ShowSelectSource throws exception on 64bit

    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.
    Posted to DotTwain Discussions (Forum) by Lars-Erik Roald on April 16, 2010
  • Application freezes after Acquire()

    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 ...
    Posted to DotTwain Discussions (Forum) by See Sharp on April 14, 2010
  • Weird Issue with Scanner Interface

    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 ...
    Posted to DotTwain Discussions (Forum) by development@royalimaging.net on April 9, 2010
  • New Version?

    Any word on a set date for a new version (maintenance or full) for DotTwain?
    Posted to DotTwain Discussions (Forum) by development@royalimaging.net on April 1, 2010
  • Problems with a Kodak i1220 Scanner

    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 ...
    Posted to DotTwain Discussions (Forum) by development@royalimaging.net on March 29, 2010
  • Setting DeviceEvents does not persist

    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 ...
    Posted to DotTwain Discussions (Forum) by See Sharp on January 28, 2010
  • Inverted Image After VRS Upgrade

    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?
    Posted to DotTwain Discussions (Forum) by salinaspaul on January 25, 2010
  • Blurred Smeared Images

    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?
    Posted to DotTwain Discussions (Forum) by salinaspaul on January 25, 2010
  • AcquireCanceled raised on successful scan

    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, ...
    Posted to DotTwain Discussions (Forum) by Brendan on June 3, 2009
  • Object doesn't open using Windows 2003 Server

    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 !
    Posted to DotTwain Discussions (Forum) by Kleber on April 16, 2009
1 2 3 4 Next >