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  • 方法调用方法的委托小例子

     //定义委托,它定义了可以代表的方法的类型
            public delegate string GreetingDelegate(string name);
            public MethodGoMethod()
            {
                InitializeComponent();
            }
            private static void EnglishGreeting(string name)
            {
                Console.WriteLine( "Morning, " + name);
            }
    
            private static string ChineseGreeting(string name)
            {
                return "早上好, " + name;
            }
    
            //注意此方法,它接受一个GreetingDelegate类型的方法作为参数
            private static void GreetPeople(string name,GreetingDelegate MakeGreeting)
            {
                MakeGreeting(name);
            }
            private static void GreetPeople(string name)
            {
                MessageBox.Show("Morning, " + name);
            }
            private void button1_Click(object sender, EventArgs e)
            {
    
    
                //List<Dictionary<string, string>> item = new List<Dictionary<string, string>>();
                //Dictionary<string, string> dic = new Dictionary<string, string>();
                //dic.Add("X","Y");
                //item.Add(dic);
                //Dictionary<string, string> dic1 = new Dictionary<string, string>();
                //dic1.Add("X","Z");
                //item.Add(dic);
                //MessageBox.Show(item.Count.ToString());
                GreetPeople("aaaaaaa",ChineseGreeting);
                GreetPeople("asdasd");
            
            }
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  • 原文地址:https://www.cnblogs.com/llcdbk/p/5260591.html
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