public People(Cat c) { c.Cry += new Cat.Crying(c_Cry);//注册了猫叫事件,人听到猫叫则惊醒 }
/// <summary> /// 注册. /// </summary> /// <param name="c">The c.</param> public Mouse(Cat c) { c.Cry += new Cat.Crying(C_Cry); //注册了猫叫事件,老鼠听到猫叫则逃跑 }