/// <summary>
    /// 监听的者的委托
    /// </summary>
    public delegate void DelegateClassHandle(); 

/// <summary>
    /// 雇员类
    /// </summary>
    class Employee
    {
        /// <summary>
        /// 员工玩游戏事件（事件类型为监听者委托）
        /// </summary>
        public event DelegateClassHandle PlayGame;


        /// <summary>
        /// 员工玩游戏的方法
        /// </summary>
        public void Games()
        {
            if (PlayGame != null)
            {
                PlayGame();
            }
        }  


    }

    /// <summary>
    /// 老板类，相当于监听者传送的对象
    /// </summary>
    class Boss
    {
        /// <summary>
        /// 老板通知的方法
        /// </summary>
        public void Notify()
        {
            System.Console.WriteLine("现在，有人玩游戏，赶紧去抓人！");
        }  


    }

 class Program
    {
        static void Main(string[] args)
        {
            //实例员工类和老板对象
            Employee employee = new Employee();
            Boss boss = new Boss();


            //将员工的玩游戏方法加入到监听者中
            employee.PlayGame += new DelegateClassHandle(boss.Notify);
            employee.Games(); 
        }
    }

<pre name="code" class="csharp" style="color: rgb(51, 51, 51); font-size: 14px; line-height: 26px;">public class CustomeEvetnArgs : EventArgs
{
    string name = "";
    int age = 0;
    public CustomeEvetnArgs()
    { }
    public string Name
    {
        get { return this.name; }
        set { this.name = value; }
    }
    public int Age
    {
        get { return this.age; }
        set { this.age = value; }
    }
}

public delegate void DelegateClassHandle(object sender, CustomeEvetnArgs e);

/// <summary>
        /// 员工玩游戏事件（事件类型为监听者委托）
        /// </summary>
        public event DelegateClassHandle PlayGame;




        private string _name;


        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }
        private int _age;


        public int Age
        {
            get { return _age; }
            set { _age = value; }
        }
 


        /// <summary>
        /// 员工玩游戏的方法
        /// </summary>
        public void Games()
        {
            if (PlayGame != null)
            {
                CustomeEvetnArgs e = new CustomeEvetnArgs();
                e.Name = this._name;
                e.Age = this._age;
                PlayGame(this,e);
            }
        }  


    }

 /// <summary>
    /// 老板类，相当于监听者传送的对象
    /// </summary>
    class Boss
    {
        /// <summary>
        /// 老板通知的方法
        /// </summary>
        public void Notify(object sender, CustomeEvetnArgs e)
        {
            System.Console.WriteLine("有人玩游戏了，名字是： "+e.Name + " 年龄是： " + e.Age.ToString());
        }  


    }

//实例员工类和老板对象
            Employee employee = new Employee();
            Boss boss = new Boss();
<span style="font-family: Arial;">          <span style="white-space:pre">	</span>employee.Name = "张三";</span>
            employee.Age = 25;
          
            employee.PlayGame += new DelegateClassHandle(boss.Notify);
            employee.Games();

public class Manager
{
    public void Notify(object sender, CustomeEvetnArgs e)
    {
        System.Console.WriteLine(sender.ToString() + "-" + e.Name);
    }
}

Employee employee = new Employee();
employee.Name = "Mike";
employee.Age = 25;
Admin admin = new Admin();
Manager manager = new Manager();
 
employee.PlayGame += new DelegateClassHandle(admin.Notify);
employee.PlayGame += new DelegateClassHandle(manager.Notify);
employee.Games();