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Bar Code Blitz


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  • WMV (WMV Video)

Thanks to everyone who submitted a video for the first-ever Show Off event at PDC05. We had 25 submissions in the space of just a few weeks. To view all of the submissions, look for videos tagged with showoff.

Bar Code Blitz

Length: 5:05
Shown at PDC05: Yes

Lorin and Lawrence set out on a project to make bar codes appear on web pages. Techniques demonstrated include use of the new Generic Handler template in Visual Studio 2005 and the use of GDI+ to dynamically render a GIF image. The code for the bar code solution shown in the video supports two common standards: 3 of 9 for text, and 2 of 5 codes for numeric.


  • Lorin Thwaits - writer, director, producer, developer in plaid
  • Lawrence Grant - developer in maroon
  • E.W. Lloyd - "The Boss"
  • Andrew Holliday - Film crew

Tools used

  • Visual Studio 2005 April CTP


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  • This was my favorite video of the bunch. Funny, clever, cool, and quick. Never too fast to understand, but fast enough to keep it moving. Great job, guys!
  • Yooowzers --- Fast typing........
  • That is truly awesome! Cool Five minutes has never rushed by so quickly whilst watching an internet video. If only all demos were like this - fast-paced and well-scripted. Any chance Lorin and Lawrence can post the source?
  • Any chance to get the source code?  I couldn't quite catch all of the index values.



  • HarlequinHarlequin http:/​/​twitter.​com/True​Harlequin
    AIM48 wrote:
    Yooowzers --- Fast typing........

    Makes you want to change your answer to the "If I had one superpower" question.

    Being able to type 50 words a second Smiley
  • freaking awesome! Excellent!
  • When we made this video for the PDC ShowOff event we were limited to 5 minutes total.  We had actually taken lots more footage during the original filming.  So I have now put together a longer version that includes all the content and greater bandwidth so you can actually read what the code says as it flies by.  You can download it from this link:


    For those interested in the source code, it's available for download in a .ZIP from that site.  It will do both 3 of 9 and also 2 of 5 codes.

  • This submission was voted #1 at the PDC05 Show Off event.

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