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Re: How do I detect when scanner is finished Started by sears at 07-01-2009 2:42. Topic has 1 replies. LEAD Support Fo... » Developer » Scanning/Captur... » Re: How do I detect when scanner is finished

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07-01-2009, 2:42 sears Joined on 06-23-2009 Posts 21 How do I detect when scanner is finished I just red the post "How do I detect when scanner is finished ". Adnan Ismail said : "You can check the CAP_FEEDERLOADED which is supported by all sources with feeder devices. If it return false, this means that there are no more documents in the feeder and the twain finished scanning, if it returns true, this means that there are still documents to be scanned. " Then how to differentiate  between *1 and *2 *1 Form beginning(doesn't start scan),no documents in the feeder,then you click "scan" to start scan. *2 No more documents in the feeder and the twain finished scanning.    Report

07-01-2009, 10:40 Adam Boulad Joined on 09-16-2007 Posts 1,125 Re: How do I detect when scanner is finished One of the differences is that in the first case, the Twain Page event (or callback) does not get triggered, but in the second case it gets triggered. Also, depending on your programming environment, you might get an exception or error return code if you try to scan with no pages in the feeder. Adam Boulad LEADTOOLS Technical Support    Report

LEAD Support Fo... » Developer » Scanning/Captur... » Re: How do I detect when scanner is finished

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