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by drosenhain
Wed Oct 01, 2008 8:47 am
Forum: VintaSoft Twain .NET SDK Discussions
Topic: Detect if scanner is connected?
Replies: 5
Views: 10849

Re: Detect if scanner is connected?

When I call OpenDataSource without having a scanner attached I get a dialog box (text below). This happens BEFORE the TwainException is caught and is fairly obviously being generated by the Canon scanner's TWAIN driver (not VintaSoftTwain). Setting ShowUI = false before doing the OpenDataSource does...