public static void ShowMsg(Object sender, Clock.RingEventArgs e)
{ //静态方法
Clock clocker = (Clock)sender;
Console.WriteLine("Display：{0} ", clocker.name);
Console.WriteLine("Display：时间快到了，当前时间：{0}点。", e.time);
Console.WriteLine();
}
public void MakeAlert(Object sender, Clock.RingEventArgs e)
{
Clock clocker = (Clock)sender; //以后如果有多个发布者，便于修改
//访问 sender 中的公共字段
Console.WriteLine("Alarm：{0}", clocker.name);
Console.WriteLine("Alarm: 嘀嘀嘀，现在已经 {0} 点了：", e.time);
Console.WriteLine();
}
