一個好用的計算機工具，以MFC VC++為基礎，經過Visual Studio .NET 2003實際編譯及驗證可用。-Computer tool, by MFC VC++ base, after volume production test in Visual Studio .NET 2003 compiler passed.

MFC来控制电脑左右通道的音量，使用window的API函数实现改功能-MFC to control the computer left and right channel volume, API function using window achieve functional change