title: WPF timer countdown
body: <p>I am wondering about timers in WPF.</p>
  
  <p>what i basically know is how to make a simple count down timer (label) count down like this code:</p>
  
  <pre><code>private void buttonStartOne_Click(object sender, RoutedEventArgs e)
  {
      counterOne = new DispatcherTimer();
      counterOne.Tick += new EventHandler(counterOne_Tick);
      counterOne.Interval = new TimeSpan(0, 0, 1);
  
      counterOneTime = 10;
      counterOne.Start();
  }
  
  private void counterOne_Tick(object sender, EventArgs e)
  {
  // code goes here
  
      if (counterOneTime &gt; 0)
      {
          counterOneTime--;
          labelCounterOne.Content = counterOneTime + "s";
      }
      else
          counterOne.Stop();
  }
  </code></pre>
  
  <p>In this example code above, the countdown is just 10 seconds.
  What i want, and dont know is how i should make it as: HH:mm:ss  and than make it count down.
  Would you do that with 3 separate counters and labels (one for each time unit)?
  Or what should be a better way to tackle this one?</p>