DispatcherTimer.IsEnabled Property

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Gets a value that indicates whether the timer is running.

Namespace:  System.Windows.Threading
Assembly:  System.Windows (in System.Windows.dll)


Public ReadOnly Property IsEnabled As Boolean
public bool IsEnabled { get; }

Property Value

Type: System.Boolean
true if the timer is enabled; otherwise, false.


The following code example demonstrates how to use this property.

Private WithEvents counterPanel As Panel
Private WithEvents timer As DispatcherTimer = New DispatcherTimer()
Private counter As Integer = 0

Private Sub PanelClick(ByVal sender As System.Object, _
    ByVal e As System.Windows.Input.MouseButtonEventArgs) _
    Handles counterPanel.MouseLeftButtonDown

    If timer.IsEnabled Then timer.Stop() Else timer.Start()

End Sub

Private Sub TimerClick(ByVal sender As System.Object, _
    ByVal e As EventArgs) Handles timer.Tick

    counter += 1
    Dim t As New TextBlock
    t.Text = counter.ToString

End Sub

Private Sub TestDispatcherTimer(ByVal p As Panel)

    Me.counterPanel = p
    timer.Interval = New TimeSpan(0, 0, 1)

End Sub
private void TestDispatcherTimer(Panel counterPanel)
    DispatcherTimer timer = new DispatcherTimer();
    int counter = 0;

    counterPanel.MouseLeftButtonDown += 
        delegate(object s, MouseButtonEventArgs args) {
            if (timer.IsEnabled) timer.Stop(); else timer.Start(); 

    timer.Tick += 
        delegate(object s, EventArgs args) {
            counterPanel.Children.Add( new TextBlock { 
                Text = counter++.ToString() });

    timer.Interval = new TimeSpan(0, 0, 1); // one second

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.