IO_ComponetTest

说明：  众所周知，DOS和Window98操作系统下用户程序能够直接操作端口(Port函数)，但在Win2000和WinXP下却不能直接操作端口，该程序源码是在Window2000和WindowXP系统下直接操作计算机端口例子。
(As we all know, DOS Windows98 operating system and user program can be directly operated port (Port functions) But in Win2000 and WinXP but not under the direct operation of ports, The procedure is the source Window2000 WindowXP systems and direct operating computers port example .)