乐器数字接口，简称MIDI，本程序借助MFC的MCI来完成该功能-Musical Instrument Digital Interface, or MIDI, the MFC with the procedures to complete the function of MCI

使用midi的电子琴源程序,可用鼠标或键盘弹奏乐曲.点击S按钮可选择乐器等设置,点T自动弹奏乐曲测试.-Use the keyboard midi source, use the mouse or keyboard to play songs by clicking S button to select settings such as musical instruments, play music automatically point T test.