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.