C# Program to implement a Delegate property

using System;

namespace delegete
{
    delegate string change(string str);
    class Replace
    {
        static string space(string s)
        {
            Console.WriteLine("Replacing spaces with hyphens");
            return s.Replace(' ', '_');
        }
        static string word(string w)
        {
            Console.WriteLine("Replacing word is with at");
            return w.Replace("is", "at");
        }
        static void Main(string[] args)
        {
            change ob = new change(space);
            string S;
            S = ob("This is the string");
            Console.WriteLine("Resultant string--------->" + S);
            ob = new change(word);
            S = ob("This is the string");
            Console.WriteLine("Replacing string--------->" + S);
            Console.ReadLine();
        }
    }
}

                                                              Output