CWIMAQBarcode2DContrasts Enumeration
From NI Vision for Visual Basic
CWIMAQBarcode2DContrasts Enumeration
CWIMAQBarcode2DContrasts are constants for the Contrast property of the CWIMAQDataMatrixOptions object.
You can use the following constants with this data type:
- cwimaqBarcode2DContrastAll—The method searches for barcodes of each contrast type. Using this option reduces the performance of the method, limiting it to using no region or a rectangle region.
- cwimaqBarcode2DContrastBlackOnWhite—The method searches for 2D barcodes containing black data on a white background.
- cwimaqBarcode2DContrastWhiteOnBlack—The method searches for 2D barcodes containing white data on a black background.