GdPictureImaging.TwainGetImageLayout Method

Returns the physical area (a rectangle) to be acquired during the next image transfer.

public Boolean TwainGetImageLayout(
    ref Double Left, 
    ref Double Top, 
    ref Double Right, 
    ref Double Bottom
);

Visual Basic

Public Function TwainGetImageLayout(
    ByRef Left As Double, 
    ByRef Top As Double, 
    ByRef Right As Double, 
    ByRef Bottom As Double
) As Boolean

Parameters

Parameters	Description
Left	Value of the left-most edge of the area to scan measured in inches.
Top	Value of the top-most edge of the area to scan measured in inches.
Right	Value of the right-most edge of the area to scan measured in inches. Note: ImageWidth = Right - Left.
Bottom	Value of the bottom-most edge of the area to scan measured in inches. Note: ImageHeight = Bottom - Top.

Returns

True if success, else False -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.

Remarks

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

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