这个VC++代码需要有一定基础的开发者阅读，特别是对如何识别USB设备及USB基本原理有一定了解的开发者比较适用。程序主要演示了如何编写高层应用与USB接口通信。-Test.h This is the main header file for the application. It includes other project specific headers (including Resource.h) and declares the CTestApp