namespace NotificationFlyoutSample { public sealed partial class Shell { public Shell() { InitializeComponent(); } private void Theme_SelectionChanged(object sender, Windows.UI.Xaml.Controls.SelectionChangedEventArgs e) { //switch (Theme.SelectedIndex) //{ // case 0: // RequestedTheme = Windows.UI.Xaml.ElementTheme.Default; // break; // case 1: // RequestedTheme = Windows.UI.Xaml.ElementTheme.Dark; // break; // case 2: // RequestedTheme = Windows.UI.Xaml.ElementTheme.Light; // break; //} } } }