title: QR code scanner using webcam with VB.net or C#
body: <p>I'm working on a a thesis and I'm in need of a QR-code scanner using a webcam..
  I searched and the library is paid. </p>
  
  <p>I need a tutorial or a source code to finish this. I prefer a tutorial so I can learn it, not just download it and run it.. any links that can help me will do! </p>
  
  <p>Please please.. </p>