禁用U的有一些小方法，用注册表和setupapi实现-Disabled U realize there are some small registry and setupapi

利用Setupapi相关函数枚举系统中的端口信息， 包括端口说明，如：通信端口（COM1）。-Setupapi correlation function using enumeration system port information, Including port descr iption, such as: communication port (COM1).