TwainSetYScaling Method (GdPictureImaging)

In This Topic

Tries to set the current image vertical scaling factor for the selected twain source.

Syntax

'Declaration
 
Public Function TwainSetYScaling( _
   ByVal YScaling As Double _
) As Boolean

public bool TwainSetYScaling( 
   double YScaling
)

public function TwainSetYScaling( 
    YScaling: Double
): Boolean;

public function TwainSetYScaling( 
   YScaling : double
) : boolean;

public: bool TwainSetYScaling( 
   double YScaling
)

public:
bool TwainSetYScaling( 
   double YScaling
)

YScaling: The image vertical scaling. A value of â€˜1.0â€™ is equivalent to 100% scaling. Do not use values less than or equal to zero.

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.