强大的VFMP3-Play控件(能显示MP3播放的波形图、播放MP3文件、控件音频大小)（强力推荐）-powerful VFMP3-Play Control (MP3 player showing the waveform, play MP3 files, the audio component size) (strongly recommended)

此程序利用DirectSound7实现声音采集并显示其波形，优点是代码很简单，缺点是比较耗CPU，应为每次采集都需要清空Buffer。有需要的看看吧，改进一下应该会比较好用。-DirectSound7 use this procedure to achieve the sound collection and display its waveform, the advantages of the code is very simple, the disadvantage of comparing

利用DirectSound从麦克风获取声音，以WAV格式存储至计算机的硬盘，并利用Graphics类显示声音文件的波形。-Catch sound from cumputer s microphone.Store it as WAV in the HDD off the computer. Draw waveform of the WAV file by using Graphics.