一个新款的音量控制源码，可以控制耳机音量和mic音量，还可以播放WAV文件。-a new style of sound source control, headphone volume control and mic volume, also be broadcast WAV document.

主要实现的功能是对电脑的音量进行控制,一些程序中可能会用到-The main functions of the computer' s volume control, some of the procedures that may be used

通过控制台程序实现了一个MP3播放器，可以实现歌曲列表显示，歌曲播放，快进快退，音量加减，上一曲下一曲等操作-Through the console program implements a MP3 player, you can realize the song list shows, songs, play, fast forward, rewind, volume addition and subtraction, and other operations on a lower one