TdxBarCode39ExtendedSymbology Class

The Code 39 Extended barcode symbology class.

Declaration

TdxBarCode39ExtendedSymbology = class(
    TdxBarCode39Symbology
)

Remarks

Unlike the Code 39 symbology, the extended version supports all ASCII 128 characters by using double character encoding.

This class does not introduce any new public members.

To enable the extended Code 39 generation mode, assign the TdxBarCode39ExtendedSymbology class name to the Properties.BarCodeSymbologyClassName property provided by the unbound and data-aware barcode controls.

The dxBarCode39LeftQuietZoneSize and dxBarCode39RightQuietZoneSize global constant values determine the extended Code 39’s left and right quiet zone sizes, respectively.