How do I create a timer in WPF?

Question

I am a newbie in timer in WPF, and I need a code that every 5 minutes there is a message box will pop up. Can anyone help me for the simple code of timer?

That's what I tried so far:

System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer(); 
private void test() 
{ 
    dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick); 
    dispatcherTimer.Interval = new TimeSpan(0, 0, 1); 
    dispatcherTimer.Start(); 
} 
private void dispatcherTimer_Tick(object sender, EventArgs e)
{ 
    // code goes here 
} 

private void button1_Click(object sender, RoutedEventArgs e)
{ 
    test(); 
}

Pang · Accepted Answer · 2020-12-03 04:47:11Z

195

In WPF, you use a DispatcherTimer.

System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);
dispatcherTimer.Interval = new TimeSpan(0,5,0);
dispatcherTimer.Start();


private void dispatcherTimer_Tick(object sender, EventArgs e)
{
  // code goes here
}

edited Dec 3, 2020 at 4:47

Pang

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answered Jul 19, 2012 at 11:44

Rhys Towey

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1 Comment

Rhys Towey Over a year ago

Where it says "//code goes here", write " Messagebox.Show("message goes here"); "

Chris Schaller · Accepted Answer · 2024-03-03 22:09:43Z

42

Adding to the above. Use the DispatcherTimer if you want the tick events marshalled back to the UI thread. Otherwise, use System.Timers.Timer.

edited Mar 3, 2024 at 22:09

Chris Schaller

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answered Jun 16, 2015 at 20:32

JasonDWilson

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1 Comment

JamesHoux Over a year ago

+1 for explaining relevance to UI thread -- something that is critical to understand when working with WPF.

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