Thank you all for comments I think I was fascinated by the complexity and cleverness of the program. I tried to follow all the processes and the programmers are way above my league
After spending a day with it, I'm now trying to figure out why go to all this effort when a simple barcode font system will achieve the same result? i.e. I need to print a barcode label from my inventory system...... On Sat, Jul 23, 2011 at 1:28 AM, Ted Roche <[email protected]> wrote: > On Fri, Jul 22, 2011 at 12:41 AM, Sytze de Boer <[email protected]> > wrote: > > I've been testing the foxbarcodes option from VFPX > > > > Without wanting to create an account, I winder if anyone here is using > this > > "tool" > > > > My problem is that when I create a barcode, type 39, it adds a letter to > the > > barcode image > > e.g. 12345 becomes *12345F* > > I understand the asterisk additions, but can't figure why it is adding > the > > letter F > > > > This is code 39 mod 43 - the last digit is a checksum, calculated by > SUM(characters) modulo 43, i.e., > > "12345" => (1+2+3+4+5) = 15. 15%43 = 15. Character 20 => F. > > You either need to turn OFF the generation of the checksum in > FoxBarCodes or turn it ON in the bar code reader itself. > > It's a handy feature, especially if dealing with a lot of dirty, > difficult to read bar codes: the reader itself will tell you if it is > reading the correct code. > > References: > > http://www.morovia.com/education/symbology/code39.asp > http://en.wikipedia.org/wiki/Code_39#Code_39_mod_43 > > -- > Ted Roche > Ted Roche & Associates, LLC > http://www.tedroche.com > [excessive quoting removed by server] _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://leafe.com/mailman/listinfo/profox OT-free version of this list: http://leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/CAG1nNy9H3i5=sM=5crtsnqlw3n4hxwavucw1wduhkvfadd+...@mail.gmail.com ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
