BarCode DLL - Version 3.5 TEC-IT's BarCode Tools are available as DLL too - especially for the developer who is searching for a tightly integrated bar code solution. We support all common barcodes (linear types as well as 2D like PDF417, Maxicode) With Release 3.0 the API of the DLL was completely revised and arranged "PROGRAMMER-FRIENDLY". With this tool we deliver also Barcode View - a preview editor demonstrating the use of TBarCode3 DLL (incl. C++ source code).