说明：  本源码是关于在wince下如何使用directx播放多媒体文件的小程序，为了方便代码的移植,将directx的操作封装成CMedia类,只要直接调用该类,就可以相当简便地调用directx来播放多媒体文件了
(The source code is under the wince on how to use multimedia files to play directx small procedure code in order to facilitate the transplant, the operation will be directx package CMedia into categories, so long as such a direct call, you can quite easily call to play multimedia files directx a)