PhotoSharingApp.Universal.Views.AppShell.AppShell C# (CSharp) Method

        public AppShell()
        {
            InitializeComponent();

            // Set the data context
            _viewModel = new AppShellViewModel();
            DataContext = _viewModel;

            Loaded += (sender, args) =>
            {
                Current = this;

                togglePaneButton.Focus(FocusState.Programmatic);

                // We need to update the initial selection because
                // OnNavigatingToPage happens before Items are loaded in
                // both navigation bars.
                UpdateSelectionState();
            };

            rootSplitView.RegisterPropertyChangedCallback(
                SplitView.DisplayModeProperty,
                (s, a) =>
                {
                    // Ensure that we update the reported size of the TogglePaneButton when the SplitView's
                    // DisplayMode changes.
                    CheckTogglePaneButtonSizeChanged();
                });

            SystemNavigationManager.GetForCurrentView().BackRequested += SystemNavigationManager_BackRequested;

            var titleBar = ApplicationView.GetForCurrentView().TitleBar;
            titleBar.ButtonBackgroundColor = Colors.White;
            titleBar.ButtonHoverBackgroundColor = (Color)Application.Current.Resources["AppAccentLightColor"];
            titleBar.ButtonPressedBackgroundColor = (Color)Application.Current.Resources["AppAccentColor"];
            titleBar.ButtonForegroundColor = (Color)Application.Current.Resources["AppAccentForegroundColor"];
            titleBar.ButtonHoverForegroundColor = (Color)Application.Current.Resources["AppAccentForegroundColor"];
        }