为Windows Media文件包括文件打包的DRM。它是控制术…

代码说明：

lays Windows Media files including files packaged with DRM. It is controlled through a GUI, and commands include Play, Pause, Seek and Stop. The sample can play local files or files read from the Internet-lays Windows Media files including files p ackaged with DRM. It is controlled through a GUI , and commands include Play, Pause, Seek and Stop. The sample can play local files or read files from the Internet