The check digit in UPCA is never calculated and must be supplied. It's assumed that you know what to print.
Paulo ----- Original Message ----- From: "Rick Roen" <[EMAIL PROTECTED]> To: "'Post all your questions about iText here'" <itext-questions@lists.sourceforge.net> Sent: Thursday, December 07, 2006 8:53 PM Subject: [iText-questions] UPC checksum >I can generate a UPC code with no problem when I supply the check digit >with > the barcode string. > > > > Does iTextSharp supply a check digit if requested? I can see the > GenerateCheckDigit property, but it seems to have no effect when I put it > either before or after like this: > > > > Dim upc As BarcodeEAN = New BarcodeEAN > > upc.CodeType = Barcode.UPCA > > > > upc.GenerateChecksum = true > > upc.Code = "05117800093" > > ' or here upc.GenerateChecksum = true > > > > Dim imgUPC = upc.CreateImageWithBarcode(writer.DirectContent, > Color.BLACK, Color.BLACK) > > para.Add(New Phrase(New Chunk(imgUPC, 0, 0))) > > > > Also when the checksum is supplied AND it is incorrect, the barcode is > generated anyway. It would probably be better to throw an error in this > case. > > > > Thanks, > > > > Rick > > -------------------------------------------------------------------------------- > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > opinions on IT & business topics through brief surveys - and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV -------------------------------------------------------------------------------- > _______________________________________________ > iText-questions mailing list > iText-questions@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/itext-questions > Buy the iText book: http://itext.ugent.be/itext-in-action/ > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://itext.ugent.be/itext-in-action/