DDK的虚拟串口程序，用DDk2600就可以编译，在xp2下测试通过，你可以自己修改源代码增加功能.,DDK virtual serial process can be used to compile DDk2600 in xp2 test is passed, you can modify the source code to increase their function.

OPC是工业控制常用的通讯方式，这个文件是标准OPC2.0的开发工具包-OPC is commonly used in industrial control means of communication, this document is a standard of OPC2.0 Development Kit

Windows XP2 应用程序兼容性测试 ACT 指南，用于软件测试-Windows XP2 ACT Guide application compatibility testing for software testing