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Class CountDown TimeSpan and Timer?

I'm attempting to fire an event every 24 hours with the following code.

I would use a simple Timer, but the Interval would be 1440000.........

Q. Is there a more simple approach than my home-brew code found below?


 private void CountDownTimer()
        {
            Timer timer = new Timer();
            timer.Tick += new EventHandler(TimerTick);
            timer.Interval = 60000;  // 60 Seconds
            timer.Start();
        }

        public static void TimerTick(object source, System.EventArgs e)
        {            
            DateTime LeaseDateTime = DateTime.Now.AddHours(24);
            TimeSpan TimeLeft = LeaseDateTime.Subtract(DateTime.Now);

            if (TimeLeft == 0/0/000)
            {
                // Run another method..........
            }
        }
0
kvnsdr
Asked:
kvnsdr
  • 2
1 Solution
 
Mike TomlinsonMiddle School Assistant TeacherCommented:
If you want to poll then something like...

        private DateTime targetTime;

        private void CountDownTimer()
        {
            targetTime = DateTime.Now.AddDays(1);
            Timer timer = new Timer();
            timer.Tick += new EventHandler(TimerTick);
            timer.Interval = 60000;  // 60 Seconds
            timer.Start();
        }

        public void TimerTick(object source, System.EventArgs e)
        {
            TimeSpan ts = targetTime.Subtract(DateTime.Now);
            if (ts.TotalMilliseconds <= 0)
            {
                // schedule next targeTime 24 hours out
                targetTime = DateTime.Now.AddDays(1);

                // run some method in here...

            }
        }
0
 
kmaicorpCommented:
If you dont care about polling, why not just make the thread sleeps for 24 hours? Did you wanted to cancel the task before the 24 hours?
0
 
kvnsdrAuthor Commented:
I'm simply looking for the best overall solution.

I use polling because of habit more than anything.

Although Thread seems like the most simple approach.

Thread.Sleep(1440000);
0
 
Mike TomlinsonMiddle School Assistant TeacherCommented:
Sleep() is a good approach.  Encapsulate a thread in a Class and put that thread to sleep so it doesn't lock up your GUI.  Then make the class raise a custom event to notify the main UI when to do something.  Be sure to marshal the threaded event back onto the main UI with a Delegate and Invoke().
0

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