try this, 包你滿意

Wolf wolf = new Wolf();
Animal wolf0 = (Animal)Activator.CreateInstance(wolf.GetType().BaseType);
wolf0.Eat();

所有跟帖： 

• 這個結果是對的，但是不是用的wolf -牛牛哥- ♀ (66 bytes) () 09/15/2009 postreply 18:50:14

• It is still from the wolf. If you don't want wolf0, try this. (( -me123456- ♀ (124 bytes) () 09/16/2009 postreply 06:30:15

• 你好像不懂的什麽是Derived,什麽是Base,也不懂得題意 -st.paul- ♂ (118 bytes) () 09/16/2009 postreply 08:53:12