Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / TwainSetGamma Method
Gamma correction value for the image data. Default value is 2.2.





In This Topic
    TwainSetGamma Method (GdPictureImaging)
    In This Topic
    Tries to set the current gamma correction value for the selected twain source.
    Syntax
    'Declaration
     
    
    Public Function TwainSetGamma( _
       ByVal Gamma As Double _
    ) As Boolean
    public bool TwainSetGamma( 
       double Gamma
    )
    public function TwainSetGamma( 
        Gamma: Double
    ): Boolean; 
    public function TwainSetGamma( 
       Gamma : double
    ) : boolean;
    public: bool TwainSetGamma( 
       double Gamma
    ) 
    public:
    bool TwainSetGamma( 
       double Gamma
    ) 

    Parameters

    Gamma
    Gamma correction value for the image data. Default value is 2.2.

    Return Value

    TRUE if success, 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