ReadDataMatrixBarcode Method
Syntax
CWIMAQVision.ReadDataMatrixBarcode SourceImage, Options, Barcode2DReport [, Regions]
Return Type
On success, this method returns 0. On failure, this method returns a negative number.
Purpose
Obsolete—Use CWIMAQVision.ReadDataMatrixBarcode2 instead. Reads Data Matrix barcodes from an image.
Remarks
Use this method with U8 images.
Parameters
SourceImage As CWIMAQImage
The image containing the Data Matrix barcodes to read.
Options As CWIMAQDataMatrixOptions
A CWIMAQDataMatrixOptions object that specifies the parameters the method uses to locate and decode the Data Matrix barcodes.
Barcode2DReport As CWIMAQBarcode2DReport
On return, a CWIMAQBarcode2DReport containing information about the Data Matrix barcodes, including a string containing the decoded barcode data.
Regions As Variant
[Optional] An CWIMAQRegions object that specifies the location of the Data Matrix barcodes in the image. The method uses the first CWIMAQRegion object in the collection, which must be an annulus, free region, oval, polygon, rectangle, or rotated rectangle region.