this is a snapshot of barcodeLib by Brad Barnhill ported to CF, see (http://www.codeproject.com/Articles/20823/Barcode-Image-Generation-Library)
see my blog at http://www.hjgode.de/wp/2014/01/25/mobile-development-barcodelib-again-ported-to-compact-framework/ and http://www.hjgode.de/wp/2010/04/27/barcodelib-ported-to-compact-framework/
and see the article at http://www.codeproject.com/Articles/76205/BarcodeLib-ported-to-Compact-Framework
in bin/debug you find a zip with working test app and class lib DLL.