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 30 linear barcodes[Code 39+, Codabar, Code 2 of 5 Standard, Code 2 of 5 Industrial, Code 2 of 5 IATA, Code 2 of 5 Interleaved, Code 2 of 5 Data Logic, ITF-14, Deutsche Post Leitcode, Deutsche Post Identcode, Code 93, Code 128, MSI Plessey, Telepen ASCII, Telepen Numeric, Plessey Code, Pharmacode One Track, Korean Post Authority Code, Flattermarken, Facing Identification Mark, Pharmacode Two Track, Postnet , PLANET, Intelligent Mail, RM4SCC, Australia Post 4-state,Pharmazentral Nummer (PZN),EAN system barcodes,CODE 39] 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.