Theme Listener

The Theme Listener class allows you to determine the current Application Theme, and when it is changed via System Theme changes.

Try it in the sample app

Syntax

var Listener = new ThemeListener();
Listener.ThemeChanged += Listener_ThemeChanged;

private void Listener_ThemeChanged(ThemeListener sender)
{
    var theme = sender.CurrentTheme;
    // Use theme dependent code.
}

Dim listener = New ThemeListener()
AddHandler listener.ThemeChanged, AddressOf Listener_ThemeChanged

Private Sub Listener_ThemeChanged(ByVal sender As ThemeListener)
    Dim theme = sender.CurrentTheme
    ' Use theme dependent code.
End Sub

Properties

Property	Type	Description
CurrentTheme	ApplicationTheme	Gets or sets the Current Theme.
CurrentThemeName	string	Gets the Name of the Current Theme.
IsHighContrast	bool	Gets or sets a value indicating whether the current theme is high contrast.

Events

Events	Description
ThemeChanged	An event that fires if the Theme changes.

Sample Project

Theme Listener Sample Page Source. You can see this in action in the Windows Community Toolkit Sample App.

Requirements

Device family	Universal, 10.0.16299.0 or higher
Namespace	Microsoft.Toolkit.Uwp.UI
NuGet package	Microsoft.Toolkit.Uwp.UI

API

• Theme Listener source code