delegate string MyDele(string str);        string MyFun(string str)        {            return str;        }        private void Form1_Load(object sender, EventArgs e)        {            MyDele m = new MyDele(MyFun);            this.Text = m("实名");            //匿名函数            //1、            this.Text = new MyDele(delegate(string str)                        {                            return str;                        })("匿名");            //2、用于Invoke方法中            this.Invoke(new EventHandler(delegate(object o, EventArgs e1)                {                }));            //3、用于Invoke方法中            this.Invoke(new MethodInvoker( delegate()                {                }));            //4、用于定义线程            System.Threading.Thread th=new System.Threading.Thread(new System.Threading.ThreadStart(delegate()                {                                }));        }