Search found 4 matches

by Echtelion
Tue Jul 04, 2017 4:56 pm
Forum: VintaSoft Twain .NET SDK Discussions
Topic: performance issue between vintasoft 8 and 10
Replies: 5
Views: 2739

Re: performance issue between vintasoft 8 and 10

I indeed don't reproduce the issue when starting a new UI from scratch, even with all the device settings being the sames. This become more and more abscure, as the issue is still here in my "real world app", and the only difference between the two versions of my app is the vintasoft dll. As the Tra...
by Echtelion
Mon Jul 03, 2017 3:39 pm
Forum: VintaSoft Twain .NET SDK Discussions
Topic: performance issue between vintasoft 8 and 10
Replies: 5
Views: 2739

Re: performance issue between vintasoft 8 and 10

Hi Alex, I'm sorry, but disposing the image didn't change the game. 850ms vs 1311ms Here is the benchmark : DateTime lastEvent = DateTime.Now; List<double> spans = new List<double>(); private void _device_ImageAcquired(object sender, ImageAcquiredEventArgs e) { DateTime start = DateTime.Now; var spa...
by Echtelion
Fri Jun 30, 2017 1:23 pm
Forum: VintaSoft Twain .NET SDK Discussions
Topic: performance issue between vintasoft 8 and 10
Replies: 5
Views: 2739

performance issue between vintasoft 8 and 10

Hi, I have a performance decrease when upgrading vintasoft.twain from 8.4.0.1 to 10.2.2.1 I have a fast 60ppm scanner (fujitsu fi-7160), doing recto/verso scan in one pass. cachemode=both, transfermode=memory, color=grayscale Acquire The device start scanning fast. After around 25 pages, the device ...
by Echtelion
Mon Jun 19, 2017 8:18 pm
Forum: VintaSoft Twain .NET SDK Discussions
Topic: Detecting if a scanner is connected
Replies: 3
Views: 2627

Re: Detecting if a scanner is connected

Hi, I have a similar problem, with Canon devices reporting in .Devices collection while disconnected. The problem is that Device.Open() show a messagebox when not connected, even with ShowUI and ShowIndicators set to false. That's a problem when I want to enumerate devices and select the one actuall...