EventHandlerの使い方

【発行側】
public class class1
{
   public delegate void _MyEvent(object sender, MyEventArgs e);
   public event _MyEvent MyEvent;
   protected virtual void MyChangeEvent(MyEventArgs e)
   {
      if ( MyEvent != null )
      {
         MyEvent( this, e );
      }
   }
   private void Changed()
   {
      MyEventArgs e = new MyEventArgs( arg1, arg2 );
      MyChangeEvent(e);
   }
   public class MyEventArgs : EventArgs
   {
      public string Arg1;
      public int Arg2;
      ...
      public MyEventArgs (  string _Arg1, int _Arg2 )
      {
         Arg1 = _Arg1;
         Arg2 = _Arg2;
      }
   }
}
【受取側】
public class class2
{
   private void Define()
   {
      class1 obj = new class1();
      obj.MyEvent += new class1._MyEvent(RecieveEvent);
    }
   private void RecieveEvent( object sender, class1.MyEventArgs e)
   {
      Console.WriteLine(e.Arg1 + e.Arg2);
   }
}