一个可用于Direct Sound 7的类模块，应该有朋友需要的-1 can be used for Direct Sound 7 of the class module, there should be a friend in need

DirectSound音频编程，包括封装CDirectSound类，创建缓冲区，音乐播放-DirectSound audio programming, including encapsulation CDirectSound class, create a buffer, a music player