BallGame.cs - BallGame

using System;

namespace ConsoleApplication2 {

    public class BallGame {
        public event EventHandler<BallHitEventArgs> BallHit;
        public event EventHandler GameOver;

        public void HitBall(int mph, int compassDirection) {
            Console.WriteLine("[PUBLISHER:] I have just the ball [{0} mph] [compass direction:{1}]", mph, compassDirection);
            OnBallHit(mph, compassDirection);
            Console.WriteLine("[PUBLISHER:] I am telling you this game is over");
            OnGameOver();


        }

        private void OnBallHit(int mph, int compassDirection) {
            if (BallHit != null) {
                BallHit(this, new BallHitEventArgs(mph, compassDirection));
            }
        }

        private void OnGameOver() {
            if (GameOver != null) {
                GameOver(this, EventArgs.Empty);
            }
        }
    }
}