这是使得VB程序可以调用Winrar进行压缩或解压rar压缩文件的方法，在程序中通过Winrar的命令行模式，实现解压或压缩，不过事先需要安装Winrar，具体的Winrar的命令行模式请参阅Winrar的帮助文档。

-This is to make the VB program called Winrar to compress or decompress rar compressed files approach adopted in the program Winrar command line mode, to achieve decompression or compression, but the prior need to install Winrar, Winrar specific command line mode, see Winrar help documentation.