static void Main(string[] args)
        {
            class1 c1 = new class1();

            c1.Message1();
            c1.Message2();
            c1.Message3();
            Console.ReadKey();
        }
 public static void Message3(this class1 c1)
 {
     Console.WriteLine("this is Message 3:\"Future i on.....\"");
 }
 public static void Message2(this class1 c1)
 {
     Console.WriteLine("this is Message 2:\"Best of luck....\"");
 }