public void onBallInPlay(BallEventArgs e) { BallEventHandler ballInPlay = BallInPlay; if (ballInPlay != null) { ballInPlay(this, e); } }
static void Main(string[] args) { Ball ball = new Ball(); Pitcher pitcher=new Pitcher(ball); BallEventArgs bea = new BallEventArgs(5, 7); ball.onBallInPlay(bea); string z = Console.ReadLine(); }