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GdPictureImaging.TwainGetYScaling Method
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Asks to the opened source for current vertical scaling to apply to the scanned image.

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

The image vertical scaling. A value of ‘1.0’ is equivalent to 100% scaling.

Remarks

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

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

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