public void SignalEvent(ProgramEvent e)
        {
            if (ProgramEvent != null)
                ProgramEvent(e);
        }
        public event ProgramEventHandler ProgramEvent;

enum ProgramEventType
    {
        ProgramStarted,
        ProgramStateChanged,
        WorldMapControlMoved,
        DestructibleKilled,
	..
}

class ProgramEvent
    {
        public ProgramEventType Type { get; set; }
        public override string ToString()
        {
            return "ProgramEvent " + Type;
        }
    }



        class DestructibleKilled : ProgramEvent
        {
            public DestructibleKilled() { Type = ProgramEventType.DestructibleKilled; }
            public Game.Map.Unit Perpetrator { get; set; }
            public Game.Map.Destructible Destructible { get; set; }
            public Game.Map.Script Script { get; set; }
        }