using System;
using System.Collections.Generic;
using System.Text;

namespace DelegatePassing
{
    class Program
    {
        public delegate void MyDelegate( int value );

        public event MyDelegate EventDelegate;

        static void Main( string[] args )
        {
            Program p = new Program();
            p.EventDelegate += new MyDelegate( p_EventDelegate );
            p.EventDelegate += new MyDelegate(o_EventDelegate);
            TestEventPassing( p.EventDelegate, 12 );
        }

        static void p_EventDelegate( int value )
        {
            Console.WriteLine( "P is passing {0} from event.", value );
        }

        static void o_EventDelegate( int value )
        {
            Console.WriteLine( "O is passing {0} from event.", value );
        }

        static void TestEventPassing( MyDelegate deleg, int value )
        {
            if( deleg is MyDelegate )
                ( ( MyDelegate )deleg ).Invoke( value );
        }
    }
}