GdPicture.NET Reference Guide
TwainIsGammaAvailable Method (GdPictureImaging)





GdPicture14 Namespace > GdPictureImaging Class : TwainIsGammaAvailable Method
Asks to the opened source if she can support the gamma correction capability.
Syntax
'Declaration
 
Public Function TwainIsGammaAvailable() As Boolean
public bool TwainIsGammaAvailable()
public function TwainIsGammaAvailable(): Boolean; 
public function TwainIsGammaAvailable() : boolean;
public: bool TwainIsGammaAvailable(); 
public:
bool TwainIsGammaAvailable(); 

Return Value

TRUE if support gamma correction, FALSE otherwise -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() methods for diagnosing the error.
Remarks
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

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method
TwainSetGamma Method
TwainGetGamma Method