委托2

 1         public delegate void myDelegate(string str);
 2         public static void HellowChinese0(string strChinese)
 3         {
 4             Console.WriteLine("Good morning," + strChinese);
 5         }
 6 
 7         private static void demo0()
 8         {
 9             myDelegate d = new myDelegate(HellowChinese0);
10             d("demo0");
11         }

 1         public static void HellowChinese(string strChinese)
 2         {
 3             Console.WriteLine("Good morning," + strChinese);
 4         }
 5 
 6         static void demo1()
 7         {
 8             Action<string> action = HellowChinese;
 9             action("demo1");
10         }

1         public static string HelloEnglish(string strEnglish)
2         {
3             return "Good morning," + strEnglish;
4         }
5         static void demo2()
6         {
7             Func<string, string> f = HelloEnglish;
8             Console.WriteLine(f("demo2"));
9         }