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 more than 1100 bytes, 1800 ASCII characters, or 2700 digits to image such as BMP,PNG,JPG,GIF image using C/C++ language with several lines of code. It support 9 error correction levels 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.