directshow+delphi播放器源码，声明：代码为转载，版权归原作者！-player directshow+ delphi source, the statement: code for the reprint, belongs to original author!

使用directshow播放视频文件的程序，使用窗口消息的方式来与ds进行通讯。-Play video files using directshow program, a way to use windows messages to communicate with the ds.