/// <summary>
        /// 延遲呼叫
        /// </summary>
        /// <param name="method"></param>
        /// <param name="delayTime"></param>
        public static void DelayInvoke(Action method, int delayTime = 2000)
        {
            RegularInvoke(method, delayTime, false);
        }
 
        
 
/// <summary>
        /// 定時呼叫
        /// </summary>
        /// <param name="method"></param>
        /// <param name="delayTime"></param>
        /// <param name="aotoReset"></param>
        public static void RegularInvoke(Action method, int delayTime, bool aotoReset = true
 
)
        {
            System.Timers.Timer timer = new System.Timers.Timer(delayTime);
            timer.Elapsed += new System.Timers.ElapsedEventHandler((a, b) =>
            {
                method();
            });
            //執行一次 false
            timer.AutoReset = aotoReset;
            
 
//是否執行System.Timers.Timer.Elapsed事件 
            timer.Enabled = true;
        }

//延遲呼叫
DelayInvoke(() =>
      {
            //DO
       }, 1800);
 
//定時呼叫
RegularInvoke(() =>
      {
            //DO
       }, 1800);