Crops the image of a specified index in buffer.

Namespace: Dynamsoft.DotNet.TWAIN
Assembly: DynamicDotNetTWAIN (in DynamicDotNetTWAIN.dll) Version: 3.0.0.0 (3.0.0.0)

Syntax

C#
public bool Crop(
	short sImageIndex,
	int iLeft,
	int iTop,
	int iRight,
	int iBottom
)
Visual Basic
Public Function Crop ( _
	sImageIndex As Short, _
	iLeft As Integer, _
	iTop As Integer, _
	iRight As Integer, _
	iBottom As Integer _
) As Boolean

Parameters

sImageIndex
Type: System..::..Int16
Specifies the index of image in buffer. The index is 0-based.
iLeft
Type: System..::..Int32
Specifies the x-coordinate of the upper-left corner of the rectangle.
iTop
Type: System..::..Int32
Specifies the y-coordinate of the upper-left corner of the rectangle.
iRight
Type: System..::..Int32
Specifies the x-coordinate of the lower-right corner of the rectangle.
iBottom
Type: System..::..Int32
Specifies the y-coordinate of the lower-right corner of the rectangle.

Return Value

True indicates success. False indicates failure.

Remarks

Crop() crops an image and replaces the original image with the cropped copy. If the application still needs the original image, use CropToClipboard().

Exceptions

ExceptionCondition
Dynamsoft.DotNet.TWAIN..::..TwainException When an error occurs and IfThrowException property is true, an exception will be thrown. When IfThrowException property is false, please check ErrorCode and ErrorString.

See Also