MP3的程序模块，写的比较详细，可以用来借鉴或学习交流-MP3 program modules written in more detail, can be used to learn or learning exchange

使用C#撰写的调用摄像头的程序模块，源码加实现方案，包括调用方法说明-Written using C# program to call the camera module, the source added implementations, including calling the method explained