Inheritance - Overrides

Inheritance - Overrides

When a base class defines only the names of its methods or properties with the MustInherit modifier, the derived classes must provide their own implementations to those methods and properties using the Visual Basic modifier Overrides. 

                   

   

 

 

posted @ 2015-06-17 14:57  xymum  阅读(120)  评论(0)  编辑  收藏  举报