C#3.0 新特性系列(6) Extension Methods

You can use Extension Methods to add methods to existing types without declaring a new derived type, recomelling...

 1 namespace XuExtensionMethods

 2 {

 3     public static class XuExtensions

 4     {

 5         public static int GetMagic(this String stri)

 6         {

 7             return stri

 8         }

 9     }   

 }