Code39Azalea is a free Code 39 demo TrueType font. It creates numeric-only barcode symbols. Therefore any string you create must contain the digits 0-9. The asterisk (*) is used as the start and stop bar. For example, *123*. Code39Azalea is a subset of C39Tools, Azalea's full font collection. C39Tools creates Code 39 barcodes from with any Windows including Excel, Access, Visual Basic, C/C++, Crystal Reports and other applications. We have a large library of free sample code at www.azalea.com/sample-code/ Azalea Software publishes a full catalog of bar code fonts that support UPC, EAN, Code 128, Code 39, Interleaved 2 of 5, PDF 417, Data Matrix, and other barcode and OCR symbologies. Please visit our website at: www.azalea.com or call us at 1.206.341.9500