For software barcodes, when the moduleWidth property is not specified, the dataLength property must be supplied by the form design. For hardware barcodes, this property is ignored.
The data being displayed is not validated. For software barcodes, the application allows the data to overflow the assigned region of the field. For hardware barcodes, the result of an overflow depends on the printer.
Note:
There is no corresponding minimum length restriction. Some barcode formats have a fixed number of symbols and must be filled out with padding characters. Others allow a variable number of symbols and must terminate after the last symbol.
Reference_Syntax.dataLength = “string
Form Model

dataLength