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GdPictureImaging.TwainIsDeviceOnline Method
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Returns the online statue of the current data source.

C#
public Boolean TwainIsDeviceOnline();
Visual Basic
Public Function TwainIsDeviceOnline() As Boolean
Returns

True if the current data source is powered on and communicating, else False.

Remarks

Before using this function check that the TWAIN state is >= 4 (TWAIN_SOURCE_OPEN) 

To get the TWAIN state, use the TwainGetState() function.

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