在屏幕上显示音量控制信息 调用Core Audio APIs 适应于vista win7-This sample uses the Core Audio APIs to implement an on-screen display that shows volume changes to the output stream that plays through the default audio-rendering endpoint device. The on-screen display a

wavecontrol基于wavefile类，我在另一篇文章中写道。该用户控件使用这类分析的波形文件，并控制本身处理所有图纸/缩放波形。-WaveControl is based on the WaveFile class that I wrote in another article. This user control uses that class for parsing of the wave file, and the control itself handles all the dr