本实例“打开”按钮实现打开并播放的功能，在播放过程中可以通过相应按钮进行增大音量，减少音量，快进，快退功能设置-In this instance " Open" button to open and play to achieve the functions during playback buttons can be increased by the corresponding volume, reduced vol

利用CMEDIAPLAYER2控件播放多媒体文件-Control Play multimedia files using CMEDIAPLAYER2 ~~~~~~~~~