CWIMAQBarcode2DContrasts Enumeration

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.