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GdPictureImaging.TwainGetPhysicalHeight Method
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Returns the maximum height of the scanning area (in inches).

C#
public Double TwainGetPhysicalHeight();
Visual Basic
Public Function TwainGetPhysicalHeight() As Double
Returns

Double.

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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