/// <summary>
 /// 结束事件
 /// </summary>
 /// <param name="timer"></param>
 /// <param name="completedEvent"></param>
 /// <returns></returns>
 public static Timer OnComplete(this Timer timer, TimerEndHandler completedEvent)
 {
     if (null == timer)
     {
         return(null);
     }
     timer.AddEvent(completedEvent);
     return(timer);
 }
 /// <summary>
 /// 停止并初始化
 /// </summary>
 private void Stop()
 {
     if (MyTimers.Contains(this))
     {
         MyTimers.Remove(this);
     }
     _time         = -1;
     _isFinish     = true;
     _isPause      = false;
     UpdateEvent   = null;
     CompleteEvent = null;
 }
 /// <summary>
 /// 添加结束事件
 /// </summary>
 /// <param name="completedEvent"></param>
 public void AddEvent(TimerEndHandler completedEvent)
 {
     if (null == CompleteEvent)
     {
         CompleteEvent = completedEvent;
     }
     else
     {
         //防止多次注册同一事件
         Delegate[] delegates = CompleteEvent.GetInvocationList();
         if (!Array.Exists(delegates, (v) => { return(v == (Delegate)completedEvent); }))
         {
             CompleteEvent += completedEvent;
         }
     }
 }