代码改变世界

func lambda Action 匿名委托

2011-01-26 15:07  JingXinSoft  阅读(194)  评论(0)    收藏  举报

 直接上代码：

代码 
    public delegate void ActionMethodHandler(int p);


    class FuncTest
    {
        public static Action<int> myAction;
       

        public static string TestMethod(int msg)
        {
            return "test:" + msg.ToString();
        }

        public static void CallMethod<T>(Func<T,string> methodName,T item)
        {
            Console.WriteLine(methodName(item));
        }

        public static void ActionMethod(int p)
        {
            Console.WriteLine(p.ToString());
        }
    }

 

 

 

代码 
 1 static void Main(string[] args)
 2         {
 3              FuncTest.CallMethod(FuncTest.TestMethod,3);
 4 
 5 
 6             FuncTest.CallMethod<int>(FuncTest.TestMethod, 3);
 7 
 8             FuncTest.myAction = FuncTest.ActionMethod;
 9             FuncTest.myAction(3);
10 
11             ActionMethodHandler actionMethod = new ActionMethodHandler(FuncTest.ActionMethod);
12             actionMethod(3);
13 
14             ActionMethodHandler actionMethod2 = new ActionMethodHandler(p => { Console.WriteLine(p.ToString()); });
15             actionMethod2(3);
16 
17             ActionMethodHandler actionMethod3 = new ActionMethodHandler(delegate(int p)
18                                                                             {
19                                                                                 Console.WriteLine(p.ToString());
20                                                                             });
21             actionMethod3(3);
22 
23             FuncTest.myAction = (p) => { Console.WriteLine(p.ToString()); };
24             FuncTest.myAction(3);
25 
26             FuncTest.myAction = delegate(int p)
27                                     {
28                                         Console.WriteLine(p.ToString());
29                                     };
30             FuncTest.myAction(3);
31 
32             Console.Read();
33         }
34