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GdPictureImaging.TwainIsDuplexEnabled Method
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Ask to the opened source if duplex scanning is currently enabled or not.

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

True if duplex is currently enabled 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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