static void Main(string[] args) { Incrementer incrementer = new Incrementer(); Dozens dozensCounter = new Dozens(incrementer); incrementer.DoCount(); Console.WriteLine("number of dozens ={0}", dozensCounter.DozensCount); Console.ReadKey(); }
//设置成从外面只能get的属性 public Dozens(Incrementer incrementer) { DozensCount = 0; incrementer.CountedADozen += Incrementer_CountedADozen; }