If you want to open a channel USB, you must first know the GUID USB devices Road names and management, acquisition handle can use it after ReadFile / WriteFile write!

• USB驱动协议的简化版。如果你想打开一个USB管道，你首先要知道这种USB设备的GUID和管理道名称，获取句柄以后就可以使用ReadFile/WriteFile进行读写了！-USB drives a simplified version of the agreement.