示例#1
0
        public NavigationRootPage()
        {
            this.InitializeComponent();

            // Workaround for VisualState issue that should be fixed
            // by https://github.com/microsoft/microsoft-ui-xaml/pull/2271
            NavigationViewControl.PaneDisplayMode = muxc.NavigationViewPaneDisplayMode.Left;

            _navHelper = new RootFrameNavigationHelper(rootFrame, NavigationViewControl);

            SetDeviceFamily();
            AddNavigationMenuItems();
            Current   = this;
            RootFrame = rootFrame;

            this.GotFocus += (object sender, RoutedEventArgs e) =>
            {
                // helpful for debugging focus problems w/ keyboard & gamepad
                if (FocusManager.GetFocusedElement() is FrameworkElement focus)
                {
                    Debug.WriteLine("got focus: " + focus.Name + " (" + focus.GetType().ToString() + ")");
                }
            };

            Gamepad.GamepadAdded   += OnGamepadAdded;
            Gamepad.GamepadRemoved += OnGamepadRemoved;

            Window.Current.SetTitleBar(AppTitleBar);

            CoreApplication.GetCurrentView().TitleBar.LayoutMetricsChanged += (s, e) => UpdateAppTitle(s);

            _isKeyboardConnected = Convert.ToBoolean(new KeyboardCapabilities().KeyboardPresent);


            // remove the solid-colored backgrounds behind the caption controls and system back button
            // This is done when the app is loaded since before that the actual theme that is used is not "determined" yet
            Loaded += delegate(object sender, RoutedEventArgs e)
            {
                ApplicationViewTitleBar titleBar = ApplicationView.GetForCurrentView().TitleBar;
                titleBar.ButtonBackgroundColor         = Colors.Transparent;
                titleBar.ButtonInactiveBackgroundColor = Colors.Transparent;
            };

            NavigationViewControl.RegisterPropertyChangedCallback(muxc.NavigationView.PaneDisplayModeProperty, new DependencyPropertyChangedCallback(OnPaneDisplayModeChanged));
        }
        public NavigationRootPage()
        {
            this.InitializeComponent();

            _navHelper = new RootFrameNavigationHelper(rootFrame, NavigationViewControl);

            SetDeviceFamily();
            AddNavigationMenuItems();
            Current   = this;
            RootFrame = rootFrame;

            this.GotFocus += (object sender, RoutedEventArgs e) =>
            {
                // helpful for debugging focus problems w/ keyboard & gamepad
                if (FocusManager.GetFocusedElement() is FrameworkElement focus)
                {
                    Debug.WriteLine("got focus: " + focus.Name + " (" + focus.GetType().ToString() + ")");
                }
            };

            this.Loaded += (s, e) =>
            {
                // This is to work around a bug in the NavigationView header that hard-codes the header content to a 48 pixel height.
                var headerContentControl = NavigationViewControl.GetDescendantsOfType <ContentControl>().Where(c => c.Name == "HeaderContent").FirstOrDefault();

                if (headerContentControl != null)
                {
                    headerContentControl.Height = double.NaN;
                }
            };

            Gamepad.GamepadAdded   += OnGamepadAdded;
            Gamepad.GamepadRemoved += OnGamepadRemoved;

            Window.Current.CoreWindow.SizeChanged += (s, e) => UpdateAppTitle();
            CoreApplication.GetCurrentView().TitleBar.LayoutMetricsChanged += (s, e) => UpdateAppTitle();

            _isKeyboardConnected = Convert.ToBoolean(new KeyboardCapabilities().KeyboardPresent);
        }