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Code 39 is a barcode symbology that can encode uppercase letters (A through Z), digits (0 through 9) and a handful of special characters like the $ sign. we can refer to a mature [code 39 generator](http://www.businessrefinery.com/products/barcode_net/net_barcode_generator.html) to create and draw code 39 barcode on multiple image formats, including jpeg, …

Well, we can use a mature and robust [barcode scanner](http://www.businessrefinery.com/products/barcode_reader_net/main.html) application to read and decode any barcode, inlcuding 1d and 2d barcodes.