Syntax .net/com/java/ocx: SetScanRect(tlx, tly, brx, bry, mode) dll: mtSetScanRect(hBarcode, tlx, tly, brx, bry, mode) Parameters hBarcode Handle to an instance of the barcode toolkit (dll only). tlx x coordinate of top left hand corner tly y coordinate of top left hand corner brx x coordinate of bottom right hand corner bry y coordinate of bottom right hand corner mode mapping mode (see below)