GdPicture14 Namespace / GdPictureImaging Class / TwainGetGamma Method

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TwainGetGamma Method (GdPictureImaging)
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Asks to the opened source for current Gamma correction value to apply to the scanned image.
Public Function TwainGetGamma() As Double
public double TwainGetGamma()
public function TwainGetGamma(): Double; 
public function TwainGetGamma() : double;
public: double TwainGetGamma(); 
double TwainGetGamma(); 

Return Value

Gamma correction value for the image data.
Before using this method check that the TWAIN state is TWAIN_SOURCE_OPEN (4) To get the TWAIN state, use the TwainGetState() method.
See Also