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See more: C# Windows DateTime time
I need help with making a code that checks every second if Datetime is started. If it is started it should close the already running function. I know dispatchertimer but I want it to run the thread in background. The reason is because I have a mediaplayer that plays till datetime is started, causing the movie to restart every 1 second.

I would be very thank full if you guys could help me, a little bit desperate...

        Dictionary<string, string> listBox3Dict = new Dictionary<string, string>();
        private bool listbox3job()
            AxWMPLib.AxWindowsMediaPlayer axWmp =
wfh.Child as AxWMPLib.AxWindowsMediaPlayer;
            DateTime? start = DateTimePicker1.Value;
            DateTime? end = DateTimePicker2.Value; // This. End date. If end date. Stop movie.
            DateTime now = DateTime.Now;
            if (start == null || end == null)
            else if (now >= start.Value && now <= end.Value)
                    foreach (var selected in listBox3.Items)
                        string s = selected.ToString();
                        if (listBox3Dict.ContainsKey(s))
                            axWmp.URL = (listBox3Dict[s]);
                return true;
            return false;
Posted 17-Apr-13 10:18am
Sergey Alexandrovich Kryukov at 17-Apr-13 19:17pm
"I know dispatchertimer but I want it to run the thread in background."... how one prevents another?
What in the background, a movie?!
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Solution 2

Little code snippet about timer. Hope that help.

Timer timer;
int secondsToPlay;
private void StartPlay_Click(object sender, EventArgs e)
    timer = new Timer();
    timer.Tick += new EventHandler(timer_Tick);
    timer.Interval = 1000;
    DateTime Start = dateTimePicker1.Value;
    DateTime End = dateTimePicker2.Value;
    TimeSpan total = End - Start;
    secondsToPlay = (int)total.TotalSeconds;
    // Start video etc ...
void timer_Tick(object sender, EventArgs e)
    if (secondsToPlay <= 0)
        // Stop video etc ...

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