delegate1.cs

// declaring a delegate 
       public delegate int AddDelegate(int num1, int num2); // 1 
       static void Main(string[] args)
       {
           AddDelegate d1 = new AddDelegate(add); // 2 
           int result = d1(7, 2); // 3
           Console.WriteLine(result);
           Console.ReadKey(true);
 
       }
       public static int add(int a, int b) // function 
       {
           Console.WriteLine(" A Delegate Called me");
           int res;
           res = a + b;
           return res;
 
       }