using System;
namespace p8_6
{
  
    public delegate void MyHandler1(object sender, MyEventArgs e);
    public delegate void MyHandler2(object sender, MyEventArgs e);
  
    class A
    {
        public const string m_id = "Class A";
        public void OnHandler1(object sender, MyEventArgs e)
        {
            Console.WriteLine("I am in OnHandler1 and MyEventArgs is {0}", e.m_id);
        }
        public void OnHandler2(object sender, MyEventArgs e)
        {
            Console.WriteLine("I am in OnHandler2 and MyEventArgs is {0}", e.m_id);
        }
     
        public A(B b)
        {
            MyHandler1 d1 = new MyHandler1(OnHandler1);
            MyHandler2 d2 = new MyHandler2(OnHandler2);
       	    b.Event1 += d1;
            b.Event2 += d2;
        }
    }
 
    class B
    {
        public event MyHandler1 Event1;
        public event MyHandler2 Event2;
        public void FireEvent1(MyEventArgs e)
        {
            if (Event1 != null)
            {
                Event1(this, e);
            }
        }
        public void FireEvent2(MyEventArgs e)
        {
            if (Event2 != null)
            {
   
		Event2(this, e);
            }
        }
    }
    public class MyEventArgs
    {
        public string m_id;
    }
    class Program
    {
        static void Main(string[] args)
        {
            B b = new B();
            A a = new A(b);
            MyEventArgs e1 = new MyEventArgs();
            MyEventArgs e2 = new MyEventArgs();
            e1.m_id = "Event args for event 1";
            e2.m_id = "Event args for event 2";
            b.FireEvent1(e1);
            b.FireEvent2(e2);
            Console.ReadLine();
        }
    }
}
