Approved
Last Updated: 18 Oct 2018 10:27 by ADMIN
The barcode cannot be read with the property set to false.

Workraound:
Telerik.WinControls.UI.Barcode.Symbology.EAN128 code39Extended1 = new Telerik.WinControls.UI.Barcode.Symbology.EAN128();
code39Extended1.Checksum = true;