2D barcodes - QR codes

• this is a good web page which summarized all type of bar codes with a sample images.

(http://www.neodynamic.com/Products/BCWinC/Barcode_NET_Windows_Forms_Standards_Symbologies.aspx)

• Zxing (Zebra Crossing) a open source Java based 1D , 2D barcode decoder (http://code.google.com/p/zxing/)

this code work for me well in decoding QR-codes.