最新版的directshow.net源码(directshow.net是一群牛人用C#重写的directshow所有接口函数的类库，是在C#下实现视频的最好用的东东），里面包括N个例子。绝对值得学习。-directshow.net latest version of the source (directshow.net a group of cattle were rewritten in C# the directshow all interface function library is i