Search found 4 matches
- Mon Sep 20, 2010 8:18 am
- Forum: VintaSoft Twain .NET SDK Discussions
- Topic: GetAsBitmap AccessViolationException
- Replies: 2
- Views: 7723
GetAsBitmap AccessViolationException
I'm using the new 7.0.2.1 version of Vintasoft.Twain.Net, and am having a problem I wasn't having with older versions (e.g. 7.0.0). Running the example TwainSimpleDemo I get an "AccessViolationException was unhandled" in the call: pictureBox1.Image = _device.AcquiredImages.Last.GetAsBitmap...
- Wed Aug 11, 2010 11:46 pm
- Forum: VintaSoft Twain .NET SDK Discussions
- Topic: BrightnessMinValue / AutoBright problems
- Replies: 4
- Views: 9782
Re: BrightnessMinValue / AutoBright problems
I think device does not allow to change value of the capability. Yes you could be right. I thought it was working in an older version of VSTWAIN but in fact the value of AutoBright wasn't actually changing, and the scanner dialog box for the scanner doesn't include auto-brightness so it may not be ...
- Wed Aug 11, 2010 8:49 am
- Forum: VintaSoft Twain .NET SDK Discussions
- Topic: BrightnessMinValue / AutoBright problems
- Replies: 4
- Views: 9782
Re: BrightnessMinValue / AutoBright problems
Thanks Alex for the reply and the update to version 7.0. I do like some of the changes to the structures which I find to be more logical and easier to use. With regards to my previous problem, I still have some issues with the Autobright property of the 'Device' object. The BrightnessMinValue, Brigh...
- Fri Aug 06, 2010 2:19 am
- Forum: VintaSoft Twain .NET SDK Discussions
- Topic: BrightnessMinValue / AutoBright problems
- Replies: 4
- Views: 9782
BrightnessMinValue / AutoBright problems
I am developing a scanning application in VB.Net and most functions are working fine when connected to the scanner, but I have problems with the following propertys of the Vintasoft.Twain.VSTwain object: * BrightnessMaxValue * BrightnessMinValue * ContrastMaxValue * ContrastMinValue * AutoBright For...