Delegate Case 1 Variable pull out

Namespace Changestringlib//public class {publicly class    Class1    {        //public void changestring (string[] str)        //{        //For    (int i = 0; i < str. Length; i++)        //    {        //        str[i] = str[i]. ToUpper ();    }        //}        //public method publicly        void changestring (string[] str, chgstrdelegate chgstr)        {for            ( int i = 0; I < Str. Length; i++)            {                //delegate, just extract the changes in the method, easy to write common code                str[i] = Chgstr (Str[i]);    }}}

Delegate class

Namespace changestringlib{public    delegate string chgstrdelegate (String str);}

Invoke Item

Namespace consoleapplication1{    class program    {        static void Main (string[] args)        {            Changestringlib.class1 C1 = new Changestringlib.class1 ();            String[] name = {"Bob", "Chris", "James", "Steve", "Jhoney"};            Turn the strings into uppercase            //c1. Changestring (name,changestringtoupper);            C1. Changestring (name, CHANGECHANGEADDWJX);            foreach (var item in name)            {                Console.WriteLine (item);            }            Console.WriteLine ("OK");        }        static string Changechangeaddwjx (String msg)        {            return "★" + MSG + "★";        }        static string Changestringtoupper (String msg)        {            return MSG. ToUpper ();}}}    

Delegate Case 1 Variable pull out