C#中Abstract 与 Virtual
摘要：
Abstract classes have the following features: An abstract class cannot be instantiated.An abstract class may contain abstract methods and accessors.It is not possible to modify an abstract class with the sealed (C# Reference) modifier, which means that the class cannot be inherited.A non-abstract cl 阅读全文
posted @ 2011-06-29 17:51 生龙活虎1986 阅读(674) 评论(0) 推荐(0) 编辑