GdPicture.NET.14.API~GdPicture14.GdPictureImaging~TwainIsGammaAvailable - TwainIsGammaAvailable Method (GdPictureImaging) -

TwainIsGammaAvailable Method (GdPictureImaging)

In This Topic

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();

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.