using System;

delegate void NumberChanger(int n);

namespace DelegateAppl

{

   public class TestDelegate

   {

      static int num = 10;

      public static void AddNum(int p)

      {

         num += p;

         Console.WriteLine("Named Method: {0}", num);

      }

      public static void MultNum(int q)

      {

         num *= q;

         Console.WriteLine("Named Method: {0}", num);

      }

      public static int getNum()

      {

         return num;

      }

      public static void Main(string[] args)

      {

         //create delegate instances using anonymous method

         NumberChanger nc = delegate(int x)

         {

            Console.WriteLine("Anonymous Method: {0}", x);

         };

         //calling the delegate using the anonymous method 

         nc(10);

         //instantiating the delegate using the named methods 

         nc =  new NumberChanger(AddNum);

         //calling the delegate using the named methods 

         nc(5);

         //instantiating the delegate using another named methods 

         nc =  new NumberChanger(MultNum);

         //calling the delegate using the named methods 

         nc(2);

         Console.ReadLine();

      }

   }

}