C#委托

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ActionDelegate
{
    delegate void OutputInfo(string str,int count);

    class Program
    {
        private static string str = "hello world";
        private static int count = 0;
        static void Main(string[] args)
        {
            //Test0();
            //Test1();
            //Test2();
            //Test3();
            //Test4();
            Test5();
            Console.ReadKey();
        }

        /// <summary>
        /// 显式声明委托 
        /// </summary>
        protected static void Test0()
        {
            OutputInfo target = Output;
            target(str, ++count);
        }

        protected static void Test1()
        {
            Action<string, int> target;  //申明只有一个参数的委托,返回值必须为void
            target = Output;
            target(str, ++count);
        }

        protected static void Test2()
        {
            Action<string, int> target;   //申明只有一个参数的委托
            target = delegate(string s, int c) { Output(s, c); };  //匿名方法
            target(str, ++count);
        }

        protected static void Test3()
        {
            Action<string, int> target;   //申明只有一个参数的委托
            target = (s, c) => Output(s, c);  //lambda表达式
            target(str, ++count);
        }

        /// <summary>
        /// 委托方法
        /// </summary>
        /// <param name="str"></param>
        protected static void Output(string str, int count)
        {
            Console.WriteLine("method-{0}:{1}", count, str);
        }

        /// <summary>
        /// 委托方法2
        /// </summary>
        /// <param name="str"></param>
        protected static void Output2(string str)
        {
            Console.WriteLine(str);
        }

        protected static void Test4()
        {
            List<String> names = new List<String>();
            names.Add("Bruce");
            names.Add("Alfred");
            names.Add("Tim");
            names.Add("Richard");

            // Display the contents of the list using the Print method.
            names.ForEach(Output2);

            // The following demonstrates the anonymous method feature of C#
            // to display the contents of the list to the console.
            names.ForEach(delegate(String name)
            {
                Console.WriteLine(name);
            });
        }

        protected static void Test5()
        {
            MyClass myClass = new MyClass();
            myClass.myDelegate();
        }
    }
}