Bug in barcode 3of9

Knowledge exchange related to the VPE Report Engine and PDF Library

Moderator: IDEAL Software Support

Bug in barcode 3of9

Postby innovasrl » Tue Feb 05, 2013 9:26 pm

I've found a bug in printing the following bar code using Code39 with VPE (using Python if it matters).

"GE2XYMJV"

Reading back the code with a barcode reader I get "GE2XYMJV%" with an added "%" trailing char (obviously not requested!).

The text under the barcode is correct.

The same barcode printed using Code128 works fine.

So, I suppose there must be something wrong with barcodes printed using Code39.
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Re: Bug in barcode 3of9

Postby IDEAL Software Support » Wed Feb 06, 2013 8:50 am

I rather think - without further testing - that this is the checkdigit you are reading.

You can turn off checkdigit generation using the property BarcodeAutoChecksum.
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Re: Bug in barcode 3of9

Postby innovasrl » Fri Feb 08, 2013 2:42 pm

Thanks, that solved the problem.
I'd suggest this should be off as a default. Just an opinion of course.
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