用sharpdevelop开发自己的插件系统， 很好的一个入门例子，你可以看到整个插件是怎么被放到插件树中，并最后实例化整个插件。可运行，给你很直观的感受。,a good example to demo how to develop your own add_ins via sharpdevelp which is a source open IED for c# programming. Wish great help to you.