自己用MCI写的MP3播放器代码，窗口界面的一些美化，如：透明按钮等-MP3 player code written with MCI

用MCI实现的MP3播放，已经实现了播放、暂停、进度实时显示、lrc歌词显示等功能。-With MCI implementation MP3 player, has realized the play, pause, and progress of the real-time display lrc lyrics display function.