How to use UpdateBackButton method of AppUIBasics.Common.NavigationHelper class

Best WinAppDriver code snippet using AppUIBasics.Common.NavigationHelper.UpdateBackButton

NavigationHelper.cs

Source:NavigationHelper.cs Github

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...170 this.Frame = rootFrame;171 this.Frame.Navigated += (s, e) =>172 {173 // Update the Back button whenever a navigation occurs.174 UpdateBackButton();175 };176 this.CurrentNavView = currentNavView;177 // Handle keyboard and mouse navigation requests178 this.systemNavigationManager = SystemNavigationManager.GetForCurrentView();179 systemNavigationManager.BackRequested += SystemNavigationManager_BackRequested;180 // must register back requested on navview181 if (ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 6))182 {183 CurrentNavView.BackRequested += NavView_BackRequested;184 }185 // Listen to the window directly so we will respond to hotkeys regardless186 // of which element has focus.187 Window.Current.CoreWindow.Dispatcher.AcceleratorKeyActivated +=188 CoreDispatcher_AcceleratorKeyActivated;189 Window.Current.CoreWindow.PointerPressed +=190 this.CoreWindow_PointerPressed;191 }192 private void NavView_BackRequested(Microsoft.UI.Xaml.Controls.NavigationView sender, Microsoft.UI.Xaml.Controls.NavigationViewBackRequestedEventArgs args)193 {194 TryGoBack();195 }196 private bool TryGoBack()197 {198 // don't go back if the nav pane is overlayed199 if (this.CurrentNavView.IsPaneOpen && (this.CurrentNavView.DisplayMode == Microsoft.UI.Xaml.Controls.NavigationViewDisplayMode.Compact || this.CurrentNavView.DisplayMode == Microsoft.UI.Xaml.Controls.NavigationViewDisplayMode.Minimal))200 {201 return false;202 }203 bool navigated = false;204 if (this.Frame.CanGoBack)205 {206 this.Frame.GoBack();207 navigated = true;208 }209 210 return navigated;211 }212 private bool TryGoForward()213 {214 bool navigated = false;215 if (this.Frame.CanGoForward)216 {217 this.Frame.GoForward();218 navigated = true;219 }220 return navigated;221 }222 private void SystemNavigationManager_BackRequested(object sender, BackRequestedEventArgs e)223 {224 if (!e.Handled)225 {226 e.Handled = TryGoBack();227 }228 }229 private void UpdateBackButton()230 {231 if (ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 6))232 {233 this.CurrentNavView.IsBackEnabled = this.Frame.CanGoBack ? true : false;234 } else235 {236 systemNavigationManager.AppViewBackButtonVisibility = this.Frame.CanGoBack ? AppViewBackButtonVisibility.Visible : AppViewBackButtonVisibility.Collapsed;237 }238 239 }240 /// <summary>241 /// Invoked on every keystroke, including system keys such as Alt key combinations.242 /// Used to detect keyboard navigation between pages even when the page itself243 /// doesn't have focus....

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UpdateBackButton

Using AI Code Generation

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1protected override void OnNavigatedTo(NavigationEventArgs e)2{3 NavigationHelper.UpdateBackButton();4}5protected override void OnNavigatedFrom(NavigationEventArgs e)6{7 NavigationHelper.UpdateBackButton();8}9protected override void OnNavigatedTo(NavigationEventArgs e)10{11 NavigationHelper.UpdateBackButton();12}13protected override void OnNavigatedFrom(NavigationEventArgs e)14{15 NavigationHelper.UpdateBackButton();16}17protected override void OnNavigatedTo(NavigationEventArgs e)18{19 NavigationHelper.UpdateBackButton();20}21protected override void OnNavigatedFrom(NavigationEventArgs e)22{23 NavigationHelper.UpdateBackButton();24}25protected override void OnNavigatedTo(NavigationEventArgs e)26{27 NavigationHelper.UpdateBackButton();28}29protected override void OnNavigatedFrom(NavigationEventArgs e)30{31 NavigationHelper.UpdateBackButton();32}33protected override void OnNavigatedTo(NavigationEventArgs e)34{35 NavigationHelper.UpdateBackButton();36}37protected override void OnNavigatedFrom(NavigationEventArgs e)38{39 NavigationHelper.UpdateBackButton();40}41protected override void OnNavigatedTo(NavigationEventArgs e)42{43 NavigationHelper.UpdateBackButton();44}

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UpdateBackButton

Using AI Code Generation

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1private void UpdateBackButton()2{3 if (Frame != null)4 {5 if (Frame.CanGoBack)6 {7 SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;8 }9 {10 SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;11 }12 }13}14private void GoBack(object sender, RoutedEventArgs e)15{16 if (Frame != null && Frame.CanGoBack)17 {18 Frame.GoBack();19 }20}21protected override void OnNavigatedTo(NavigationEventArgs e)22{23 navigationHelper.OnNavigatedTo(e);24}25protected override void OnNavigatedFrom(NavigationEventArgs e)26{27 navigationHelper.OnNavigatedFrom(e);28}29protected override void OnNavigatedFrom(NavigationEventArgs e)30{31 navigationHelper.OnNavigatedFrom(e);32}33protected override void OnNavigatedTo(NavigationEventArgs e)34{35 navigationHelper.OnNavigatedTo(e);36}37protected override void OnNavigatedTo(NavigationEventArgs e)38{39 navigationHelper.OnNavigatedTo(e);40}41protected override void OnNavigatedFrom(NavigationEventArgs e)42{43 navigationHelper.OnNavigatedFrom(e);44}45protected override void OnNavigatedTo(NavigationEventArgs e)46{47 navigationHelper.OnNavigatedTo(e);48}49protected override void OnNavigatedFrom(NavigationEventArgs e)50{

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UpdateBackButton

Using AI Code Generation

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1using System;2using Windows.UI.Xaml;3using Windows.UI.Xaml.Controls;4using Windows.UI.Xaml.Navigation;5using AppUIBasics.Common;6{7 {8 public Scenario4()9 {10 this.InitializeComponent();11 }12 protected override void OnNavigatedTo(NavigationEventArgs e)13 {14 NavigationHelper.UpdateBackButton();15 }16 }17}18using System;19using Windows.UI.Xaml;20using Windows.UI.Xaml.Controls;21using Windows.UI.Xaml.Navigation;22using AppUIBasics.Common;23{24 {25 public Scenario5()26 {27 this.InitializeComponent();28 }29 protected override void OnNavigatedTo(NavigationEventArgs e)30 {31 NavigationHelper.UpdateBackButton();32 }33 }34}35using System;36using Windows.UI.Xaml;37using Windows.UI.Xaml.Controls;38using Windows.UI.Xaml.Navigation;39using AppUIBasics.Common;40{41 {42 public Scenario6()43 {44 this.InitializeComponent();45 }46 protected override void OnNavigatedTo(NavigationEventArgs e)47 {48 NavigationHelper.UpdateBackButton();49 }50 }51}52using System;53using Windows.UI.Xaml;54using Windows.UI.Xaml.Controls;55using Windows.UI.Xaml.Navigation;56using AppUIBasics.Common;57{58 {59 public Scenario7()60 {61 this.InitializeComponent();62 }63 protected override void OnNavigatedTo(NavigationEventArgs e)64 {65 NavigationHelper.UpdateBackButton();66 }67 }68}

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UpdateBackButton

Using AI Code Generation

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1private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)2{3 if (e.PageState != null)4 {5 if (e.PageState.ContainsKey("NavigationHelper"))6 {7 NavigationHelper.LoadState(e.PageState["NavigationHelper"]);8 }9 }10}11private void NavigationHelper_SaveState(object sender, SaveStateEventArgs e)12{13 e.PageState["NavigationHelper"] = NavigationHelper.SaveState();14}15private void GoBack(object sender, RoutedEventArgs e)16{17 NavigationHelper.GoBack();18}19private void GoForward(object sender, RoutedEventArgs e)20{21 NavigationHelper.GoForward();22}23private void CanGoBack(object sender, CanExecuteRoutedEventArgs e)24{25 e.CanExecute = NavigationHelper.CanGoBack();26}27private void CanGoForward(object sender, CanExecuteRoutedEventArgs e)28{29 e.CanExecute = NavigationHelper.CanGoForward();30}31protected override void OnNavigatedTo(NavigationEventArgs e)32{33 NavigationHelper.OnNavigatedTo(e);34}35protected override void OnNavigatedFrom(NavigationEventArgs e)36{37 NavigationHelper.OnNavigatedFrom(e);38}39private void OnBackRequested(object sender, BackRequestedEventArgs e)40{41 NavigationHelper.OnBackRequested(e);42}43private void OnForwardRequested(object sender, ForwardRequestedEventArgs e)44{45 NavigationHelper.OnForwardRequested(e);46}

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UpdateBackButton

Using AI Code Generation

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1protected override void OnNavigatedTo(NavigationEventArgs e)2{3 base.OnNavigatedTo(e);4 NavigationHelper.OnNavigatedTo(e);5}6protected override void OnNavigatedFrom(NavigationEventArgs e)7{8 base.OnNavigatedFrom(e);9 NavigationHelper.OnNavigatedFrom(e);10}11protected override void OnNavigatedFrom(NavigationEventArgs e)12{13 base.OnNavigatedFrom(e);14 NavigationHelper.OnNavigatedFrom(e);15}16protected override void OnNavigatedFrom(NavigationEventArgs e)17{18 base.OnNavigatedFrom(e);19 NavigationHelper.OnNavigatedFrom(e);20}21protected override void OnNavigatedFrom(NavigationEventArgs e)22{23 base.OnNavigatedFrom(e);24 NavigationHelper.OnNavigatedFrom(e);25}26protected override void OnNavigatedFrom(NavigationEventArgs e)27{28 base.OnNavigatedFrom(e);29 NavigationHelper.OnNavigatedFrom(e);30}31protected override void OnNavigatedFrom(NavigationEventArgs e)32{33 base.OnNavigatedFrom(e);34 NavigationHelper.OnNavigatedFrom(e);35}36protected override void OnNavigatedFrom(NavigationEventArgs e)37{38 base.OnNavigatedFrom(e);

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UpdateBackButton

Using AI Code Generation

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1private void Page_Loaded(object sender, RoutedEventArgs e)2{3 AppUIBasics.Common.NavigationHelper.UpdateBackButton();4}5private void Page_Unloaded(object sender, RoutedEventArgs e)6{7 AppUIBasics.Common.NavigationHelper.UpdateBackButton();8}

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UpdateBackButton

Using AI Code Generation

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1protected override void OnNavigatedTo(NavigationEventArgs e)2{3 NavigationHelper.UpdateBackButton();4}5protected override void OnNavigatedFrom(NavigationEventArgs e)6{7 NavigationHelper.UpdateBackButton();8}9protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)10{11 NavigationHelper.UpdateBackButton();12}13protected override void OnNavigatedTo(NavigationEventArgs e)14{15 NavigationHelper.UpdateBackButton();16}17protected override void OnNavigatedFrom(NavigationEventArgs e)18{19 NavigationHelper.UpdateBackButton();20}21protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)22{23 NavigationHelper.UpdateBackButton();24}25protected override void OnNavigatedTo(NavigationEventArgs e)26{27 NavigationHelper.UpdateBackButton();28}29protected override void OnNavigatedFrom(NavigationEventArgs e)30{31 NavigationHelper.UpdateBackButton();32}33protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)34{35 NavigationHelper.UpdateBackButton();36}37protected override void OnNavigatedTo(NavigationEventArgs e)38{39 NavigationHelper.UpdateBackButton();40}41protected override void OnNavigatedFrom(NavigationEventArgs e)42{43 NavigationHelper.UpdateBackButton();44}

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