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#1 Posted : Tuesday, March 2, 2010 7:40:50 AM(UTC)

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I use Leadtools V16.5 and C#

how we can know if the scanner is connected and operationnal ?
how we can know if the data source (scanner) is enable correctly in our application ? or correctly open ?

If we load a template file for a specific scanner and the data source is not enable. the fonction twainSession.LoadTemplateFile(string)  loop , loop, loop, ....



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#2 Posted : Wednesday, March 3, 2010 5:18:09 AM(UTC)

Adnan Ismail  

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To see if the Twain Data Source Manager itself is working with at least one data source, you can use the Leadtools.Twain.TwainSession.IsAvailable() method.
If you want to check a specific data source (Twain Driver) in a Twain session, use the CAP_DEVICEONLINE capability (TwainCapabilityType.DeviceOnline).
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