GdPictureImaging.TwainSetYScaling Method

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

public Boolean TwainSetYScaling(
    Double YScaling
);

Visual Basic

Public Function TwainSetYScaling(
    ByVal YScaling As Double
) As Boolean

Parameters

Parameters	Description
YScaling	The image vertical scaling. A value of ‘1.0’ is equivalent to 100% scaling. Do not use values less than or equal to zero.

Returns

TRUE if success, FALSE otherwise -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.

Before using this function check that the TWAIN state is TWAIN_SOURCE_OPEN (4)

To get the TWAIN state, use the TwainGetState() function.