If you hope to link the barcode function to your application without external dependent file, SDK/LIB is the best choice. With the SDK/LIB,you can encode up to 2,335 text, 3116 digits or 1556 bytes to image such as BMP,PNG,JPG,GIF image using C/C++ language with several lines of code. It support 4 encoding modes , Reed-Solomon error correction and several image styles such as background color, bar color, image quality, rotation angle,x-dimension and etc. You can use the library to develop application ,ActiveX, ATLCOM, ASP Control, .Net Control and etc. using Microsoft Visual C++, Borland C++ Builder or other development tools support static library linkage. We support four license modal: Small Company license, 1 Developer License?5 Developer License?UnlimitedDeveloper License. You can develop and distribute your application with one of those license modal depends your needs. A static library is a file that contains functions, classes, or resources that an external program can use to complement its functionality. To use a library, the programmer has to create a link to it. The project can be a console application, a Win32 or a VCL application. The library file has the lib extension.