/// <summary> /// Sets <see cref="AppViewBackButtonVisibility"/> to <see cref="SystemNavigationManager.AppViewBackButtonVisibility"/> /// </summary> /// <param name="page">The <see cref="Page"/></param> /// <param name="value"><see cref="AppViewBackButtonVisibility"/></param> public static void SetBackButtonVisibility(Page page, AppViewBackButtonVisibility value) { var systemNavigationManager = GetSystemNavigationManager(); if (systemNavigationManager != null) { systemNavigationManager.AppViewBackButtonVisibility = value; } }
/// <summary> /// Управляет видимостью кнопки Back в панели заголовка окна. /// </summary> private void UpdateBackButtonVisibility() { AppViewBackButtonVisibility visibility = AppViewBackButtonVisibility.Collapsed; if (Frame.CanGoBack) { visibility = AppViewBackButtonVisibility.Visible; } SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = visibility; }
partial void OnAppViewBackButtonVisibility(AppViewBackButtonVisibility visibility) { switch (visibility) { case AppViewBackButtonVisibility.Visible: WebAssemblyRuntime.InvokeJS("Windows.UI.Core.SystemNavigationManager.current.enable();"); break; case AppViewBackButtonVisibility.Collapsed: default: // Disabled value is not present in currently supported UWP API, but should be mapped to collapsed WebAssemblyRuntime.InvokeJS("Windows.UI.Core.SystemNavigationManager.current.disable();"); break; } }
private void NewLocation_Click(object sender, RoutedEventArgs e) { AddNewButton.Icon = new SymbolIcon(Symbol.Forward); AddNewButton.Label = "Continue"; AddNewButton.Click -= NewLocation_Click; AddNewButton.Click += ContinueAddingNewLocation; AddNewButton.Visibility = Visibility.Collapsed; LocationMarkerDetails.Visibility = Visibility.Collapsed; MapControl.MapTapped += PinLocationOnMap; _previousAppViewBackButtonVisibility = SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility; SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible; SystemNavigationManager.GetForCurrentView().BackRequested += CancelNewLocation; }
public MainPage() { this.InitializeComponent(); AppViewBackButtonVisibility m = new AppViewBackButtonVisibility(); m = AppViewBackButtonVisibility.Visible; List <Man> dates = new List <Man>() { new Man { Name = "222" }, new Man { Name = "2222" } }; comb.ItemsSource = dates; }
//暂时全盘接管导航 public static void RegSingleHandler(EventHandler <BackRequestedEventArgs> singleHandler) { var view = SystemNavigationManager.GetForCurrentView(); if (singleHandlers.Count <= 0) { lastSingleHandler = null; } else { lastSingleHandler = singleHandlers.Last().Key; } if (lastSingleHandler == null) { var list = new List <EventHandler <BackRequestedEventArgs> >(); list.AddRange(Handlers); singleHandlers.Add(singleHandler, list); foreach (var item in Handlers) { view.BackRequested -= item; } view.BackRequested += singleHandler; HandlerIndexs.Add(singleHandler); orinalVisibility = SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility; SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible; } else { var list = new List <EventHandler <BackRequestedEventArgs> >(); list.Add(lastSingleHandler); singleHandlers.Add(singleHandler, list); view.BackRequested -= lastSingleHandler; view.BackRequested += singleHandler; HandlerIndexs.Add(singleHandler); } }
/// <summary> /// Sets the back button visibility based on the current visual state and selected item /// </summary> private void SetBackButtonVisibility(MasterDetailsViewState previousState) { if (DesignMode.DesignModeEnabled) { return; } if (ViewState == MasterDetailsViewState.Details) { var navigationManager = SystemNavigationManager.GetForCurrentView(); _previousBackButtonVisibility = navigationManager.AppViewBackButtonVisibility; navigationManager.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible; } else if (previousState == MasterDetailsViewState.Details) { // Make sure we show the back button if the stack can navigate back SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = _previousBackButtonVisibility; } }
private void StartTitleBarAnimation(AppViewBackButtonVisibility buttonVisibility) { switch (buttonVisibility) { case AppViewBackButtonVisibility.Disabled: case AppViewBackButtonVisibility.Visible: if (IsTitleBarTextBlockInBegun) { goto default; } TitleBarTextBlockIn.Begin(); IsTitleBarTextBlockInBegun = true; break; case AppViewBackButtonVisibility.Collapsed: TitleBarTextBlockOut.Begin(); IsTitleBarTextBlockInBegun = false; break; default: break; } }
public static void SetBackButtonVisibility(Page page, AppViewBackButtonVisibility value) { ApplicationViewExtensions.SetBackButtonVisibility(page, value); }
public BackButtonVisibilityChangedEventArgs(AppViewBackButtonVisibility visibility) { BackButtonVisibility = visibility; }