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How to use SaveStateEventArgs method of AppUIBasics.Common.RootFrameNavigationHelper class

Best WinAppDriver code snippet using AppUIBasics.Common.RootFrameNavigationHelper.SaveStateEventArgs

NavigationHelper.cs

Source:NavigationHelper.cs

...131        public void OnNavigatedFrom(NavigationEventArgs e)132        {133            var frameState = SuspensionManager.SessionStateForFrame(this.Frame);134            var pageState = new Dictionary<string, object>();135            this.SaveState?.Invoke(this, new SaveStateEventArgs(pageState));136            frameState[_pageKey] = pageState;137        }138        #endregion139    }140    /// <summary>141    /// RootFrameNavigationHelper registers for standard mouse and keyboard142    /// shortcuts used to go back and forward. There should be only one143    /// RootFrameNavigationHelper per view, and it should be associated with the144    /// root frame.145    /// </summary>146    /// <example>147    /// To make use of RootFrameNavigationHelper, create an instance of the148    /// RootNavigationHelper such as in the constructor of your root page.149    /// <code>150    ///     public MyRootPage()151    ///     {152    ///         this.InitializeComponent();153    ///         this.rootNavigationHelper = new RootNavigationHelper(MyFrame);154    ///     }155    /// </code>156    /// </example>157    [Windows.Foundation.Metadata.WebHostHidden]158    public class RootFrameNavigationHelper159    {160        private Frame Frame { get; set; }161        SystemNavigationManager systemNavigationManager;162        private Microsoft.UI.Xaml.Controls.NavigationView CurrentNavView { get; set; }163        /// <summary>164        /// Initializes a new instance of the <see cref="RootNavigationHelper"/> class.165        /// </summary>166        /// <param name="rootFrame">A reference to the top-level frame.167        /// This reference allows for frame manipulation and to register navigation handlers.</param>168        public RootFrameNavigationHelper(Frame rootFrame, Microsoft.UI.Xaml.Controls.NavigationView currentNavView)169        {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.244        /// </summary>245        /// <param name="sender">Instance that triggered the event.</param>246        /// <param name="e">Event data describing the conditions that led to the event.</param>247        private void CoreDispatcher_AcceleratorKeyActivated(CoreDispatcher sender,248            AcceleratorKeyEventArgs e)249        {250            var virtualKey = e.VirtualKey;251            // Only investigate further when Left, Right, or the dedicated Previous or Next keys252            // are pressed253            if ((e.EventType == CoreAcceleratorKeyEventType.SystemKeyDown ||254                e.EventType == CoreAcceleratorKeyEventType.KeyDown) &&255                (virtualKey == VirtualKey.Left || virtualKey == VirtualKey.Right ||256                (int)virtualKey == 166 || (int)virtualKey == 167))257            {258                var coreWindow = Window.Current.CoreWindow;259                var downState = CoreVirtualKeyStates.Down;260                bool menuKey = (coreWindow.GetKeyState(VirtualKey.Menu) & downState) == downState;261                bool controlKey = (coreWindow.GetKeyState(VirtualKey.Control) & downState) == downState;262                bool shiftKey = (coreWindow.GetKeyState(VirtualKey.Shift) & downState) == downState;263                bool noModifiers = !menuKey && !controlKey && !shiftKey;264                bool onlyAlt = menuKey && !controlKey && !shiftKey;265                if (((int)virtualKey == 166 && noModifiers) ||266                    (virtualKey == VirtualKey.Left && onlyAlt))267                {268                    // When the previous key or Alt+Left are pressed navigate back269                    e.Handled = TryGoBack();270                }271                else if (((int)virtualKey == 167 && noModifiers) ||272                    (virtualKey == VirtualKey.Right && onlyAlt))273                {274                    // When the next key or Alt+Right are pressed navigate forward275                    e.Handled = TryGoForward();276                }277            }278        }279        /// <summary>280        /// Invoked on every mouse click, touch screen tap, or equivalent interaction.281        /// Used to detect browser-style next and previous mouse button clicks282        /// to navigate between pages.283        /// </summary>284        /// <param name="sender">Instance that triggered the event.</param>285        /// <param name="e">Event data describing the conditions that led to the event.</param>286        private void CoreWindow_PointerPressed(CoreWindow sender,287            PointerEventArgs e)288        {289            var properties = e.CurrentPoint.Properties;290            // Ignore button chords with the left, right, and middle buttons291            if (properties.IsLeftButtonPressed || properties.IsRightButtonPressed ||292                properties.IsMiddleButtonPressed)293                return;294            // If back or forward are pressed (but not both) navigate appropriately295            bool backPressed = properties.IsXButton1Pressed;296            bool forwardPressed = properties.IsXButton2Pressed;297            if (backPressed ^ forwardPressed)298            {299                e.Handled = true;300                if (backPressed) this.TryGoBack();301                if (forwardPressed) this.TryGoForward();302            }303        }304    }305    /// <summary>306    /// Represents the method that will handle the <see cref="NavigationHelper.LoadState"/>event307    /// </summary>308    public delegate void LoadStateEventHandler(object sender, LoadStateEventArgs e);309    /// <summary>310    /// Represents the method that will handle the <see cref="NavigationHelper.SaveState"/>event311    /// </summary>312    public delegate void SaveStateEventHandler(object sender, SaveStateEventArgs e);313    /// <summary>314    /// Class used to hold the event data required when a page attempts to load state.315    /// </summary>316    public class LoadStateEventArgs : EventArgs317    {318        /// <summary>319        /// The parameter value passed to <see cref="Frame.Navigate(Type, object)"/>320        /// when this page was initially requested.321        /// </summary>322        public object NavigationParameter { get; private set; }323        /// <summary>324        /// A dictionary of state preserved by this page during an earlier325        /// session.  This will be null the first time a page is visited.326        /// </summary>327        public Dictionary<string, object> PageState { get; private set; }328        /// <summary>329        /// Initializes a new instance of the <see cref="LoadStateEventArgs"/> class.330        /// </summary>331        /// <param name="navigationParameter">332        /// The parameter value passed to <see cref="Frame.Navigate(Type, object)"/>333        /// when this page was initially requested.334        /// </param>335        /// <param name="pageState">336        /// A dictionary of state preserved by this page during an earlier337        /// session.  This will be null the first time a page is visited.338        /// </param>339        public LoadStateEventArgs(object navigationParameter, Dictionary<string, object> pageState)340            : base()341        {342            this.NavigationParameter = navigationParameter;343            this.PageState = pageState;344        }345    }346    /// <summary>347    /// Class used to hold the event data required when a page attempts to save state.348    /// </summary>349    public class SaveStateEventArgs : EventArgs350    {351        /// <summary>352        /// An empty dictionary to be populated with serializable state.353        /// </summary>354        public Dictionary<string, object> PageState { get; private set; }355        /// <summary>356        /// Initializes a new instance of the <see cref="SaveStateEventArgs"/> class.357        /// </summary>358        /// <param name="pageState">An empty dictionary to be populated with serializable state.</param>359        public SaveStateEventArgs(Dictionary<string, object> pageState)360            : base()361        {362            this.PageState = pageState;363        }364    }365}...

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.InteropServices.WindowsRuntime;6using Windows.ApplicationModel;7using Windows.ApplicationModel.Activation;8using Windows.Foundation;9using Windows.Foundation.Collections;10using Windows.UI.Xaml;11using Windows.UI.Xaml.Controls;12using Windows.UI.Xaml.Controls.Primitive;13using Windows.UI.Xaml.Data;14using Windows.UI.Xaml.Input;15using Windows.UI.Xaml.Media;16using Windows.UI.Xaml.Navigation;17{18    {19        public App()20        {21            this.InitializeComponent();22            this.Suspending += OnSuspending;23        }24        protected override void OnLaunched(LaunchActivatedEventArgs e)25        {26            if (System.Diagnostics.Debugger.IsAttached)27            {28                this.DebugSettings.EnableFrameRateCounter = true;29            }30            if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)31            {32                {33                    ((AppUIBasics.Common.RootFrameNavigationHelper)Resources["navigationHelper"]).RestoreSavedNavigation();34                }35                catch (Exception)36                {37                }38            }39            Frame rootFrame = Window.Current.Content as Frame;40            if (rootFrame == null)41            {

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.InteropServices.WindowsRuntime;6using Windows.ApplicationModel;7using Windows.ApplicationModel.Activation;8using Windows.Foundation;9using Windows.Foundation.Collections;10using Windows.UI.Xaml;11using Windows.UI.Xaml.Controls;12using Windows.UI.Xaml.Controls.Primitives;13using Windows.UI.Xaml.Data;14using Windows.UI.Xaml.Input;15using Windows.UI.Xaml.Media;16using Windows.UI.Xaml.Navigation;17{18    {19        public App()20        {21            this.InitializeComponent();22            this.Suspending += OnSuspending;23        }24        protected override void OnLaunched(LaunchActivatedEventArgs e)25        {26            Frame rootFrame = Window.Current.Content as Frame;27            if (rootFrame == null)28            {29                rootFrame = new Frame();

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.InteropServices.WindowsRuntime;6using Windows.ApplicationModel;7using Windows.ApplicationModel.Activation;8using Windows.Foundation;9using Windows.Foundation.Collections;10using Windows.UI.Xaml;11using Windows.UI.Xaml.Controls;12using Windows.UI.Xaml.Controls.Primitive;13using Windows.UI.Xaml.Data;14using Windows.UI.Xaml.Input;15using Windows.UI.Xaml.Media;16using Windows.UI.Xaml.Navigation;17{18    {19        public App()20        {21            this.InitializeComponent();22            this.Suspending += OnSuspending;23        }24        protected override void OnLaunched(LaunchActivatedEventArgs e)25        {26            Frame rootFrame = Window.Current.Content as Frame;27            if (rootFrame == null)28            {29                rootFrame = new Frame();30                SuspensionManager.RegisterFrame(rootFrame, "AppFrame");

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.InteropServices.WindowsRuntime;6using Windows.ApplicationModel;7using Windows.ApplicationModel.Activation;8using Windows.Foundation;9using Windows.Foundation.Collections;10using Windows.UI.Xaml;11using Windows.UI.Xaml.Controls;12using Windows.UI.Xaml.Controls.Primitive;13using Windows.UI.Xaml.Data;14using Windows.UI.Xaml.Input;15using Windows.UI.Xaml.Media;16using Windows.UI.Xaml.Navigation;17{18    {19        private TransitionCollection transitions;20        public App()21        {22            this.InitializeComponent();23            this.Suspending += OnSuspending;24        }25        protected override void OnLaunched(LaunchActivatedEventArgs e)26        {27            Frame rootFrame = Window.Current.Content as Frame;28            if (rootFrame == null)29            {30                rootFrame = new Frame();

SaveStateEventArgs

Using AI Code Generation

1{2    public Page4()3    {4        this.InitializeComponent();5        NavigationCacheMode = NavigationCacheMode.Enabled;6    }7    protected override void OnNavigatedTo(NavigationEventArgs e)8    {9        if (e.NavigationMode == NavigationMode.Back)10        {11            var state = (e.Parameter as RootFrameNavigationHelper.SaveStateEventArgs).PageState;12            if (state != null && state.ContainsKey("Page4State"))13            {14                textBox.Text = state["Page4State"].ToString();15            }16        }17    }18    protected override void OnNavigatedFrom(NavigationEventArgs e)19    {20        if (e.NavigationMode == NavigationMode.Back)21        {22            var state = (e.Parameter as RootFrameNavigationHelper.SaveStateEventArgs).PageState;23            state["Page4State"] = textBox.Text;24        }25    }26}27{28    public Page5()29    {30        this.InitializeComponent();31        NavigationCacheMode = NavigationCacheMode.Required;32    }33}34{35    public Page6()36    {37        this.InitializeComponent();38        NavigationCacheMode = NavigationCacheMode.Disabled;39    }40}41{42    public Page7()43    {44        this.InitializeComponent();45        NavigationCacheMode = NavigationCacheMode.Enabled;46    }47}48{49    public Page8()50    {51        this.InitializeComponent();52        NavigationCacheMode = NavigationCacheMode.Enabled;53    }54}55{56    public Page9()57    {58        this.InitializeComponent();59        NavigationCacheMode = NavigationCacheMode.Enabled;60    }61}62{63    public Page10()64    {65        this.InitializeComponent();66        NavigationCacheMode = NavigationCacheMode.Enabled;67    }68}69{70    public Page11()71    {72        this.InitializeComponent();73        NavigationCacheMode = NavigationCacheMode.Enabled;74    }75}76{

SaveStateEventArgs

Using AI Code Generation

1using AppUIBasics.Common;2using AppUIBasics.Data;3using AppUIBasics.ViewModels;4using Windows.UI.Xaml.Controls;5using Windows.UI.Xaml.Navigation;6{7    {8        private NavigationHelper navigationHelper;9        private ObservableDictionary defaultViewModel = new ObservableDictionary();10        public Scenario4()11        {12            this.InitializeComponent();13            navigationHelper = new NavigationHelper(this);14            navigationHelper.LoadState += navigationHelper_LoadState;15            navigationHelper.SaveState += navigationHelper_SaveState;16        }17        {18            get { return this.navigationHelper; }19        }20        {21            get { return this.defaultViewModel; }22        }23        private void navigationHelper_SaveState(object sender, SaveStateEventArgs e)24        {25            e.PageState["TextBoxContent"] = textBox.Text;26        }27        private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)28        {29            if (e.PageState != null && e.PageState.ContainsKey("TextBoxContent"))30            {31                textBox.Text = e.PageState["TextBoxContent"] as string;32            }33        }34        protected override void OnNavigatedTo(NavigationEventArgs e)35        {36            navigationHelper.OnNavigatedTo(e);37        }38        protected override void OnNavigatedFrom(NavigationEventArgs e)39        {40            navigationHelper.OnNavigatedFrom(e);41        }42    }43}44Navigation Example (VB)45Navigation Example (C#)46Navigation Example (C++/CX)47Navigation Example (JavaScript)48Navigation Example (XAML)49Navigation Example (XAML) (VB)50Navigation Example (XAML) (C#)51Navigation Example (XAML) (C++/CX)52Navigation Example (XAML) (JavaScript)

SaveStateEventArgs

Using AI Code Generation

1private void OnNavigated(object sender, NavigationEventArgs e)2{3    if (e.NavigationMode == NavigationMode.New)4    {5        var rootFrame = sender as Frame;6        rootFrame.BackStack.Clear();7    }8}9private void OnNavigated(object sender, NavigationEventArgs e)10{11    if (e.NavigationMode == NavigationMode.New)12    {13        SuspensionManager.ClearFrameState();14    }15}16private void OnNavigated(object sender, NavigationEventArgs e)17{18    if (e.NavigationMode == NavigationMode.New)19    {20        var rootFrame = sender as Frame;21        rootFrame.BackStack.Clear();22    }23}24private void OnNavigated(object sender, NavigationEventArgs e)25{26    if (e.NavigationMode == NavigationMode.New)27    {28        SuspensionManager.ClearFrameState();29    }30}31private void OnNavigated(object sender, NavigationEventArgs e)32{33    if (e.NavigationMode == NavigationMode.New)34    {35        var rootFrame = sender as Frame;36        rootFrame.BackStack.Clear();37    }38}39private void OnNavigated(object sender, NavigationEventArgs e)40{41    if (e.NavigationMode == NavigationMode.New)42    {43        SuspensionManager.ClearFrameState();44    }45}46private void OnNavigated(object sender, NavigationEventArgs e)47{48    if (e.NavigationMode == NavigationMode.New)49    {50        var rootFrame = sender as Frame;51        rootFrame.BackStack.Clear();52    }53}54private void OnNavigated(object sender, NavigationEventArgs e)55{56    if (e.NavigationMode == NavigationMode.New)57    {58        SuspensionManager.ClearFrameState();59    }60}

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.Serialization;6using System.Runtime.Serialization.Json;7using System.Text;8using System.Threading.Tasks;9using Windows.Storage;10using Windows.UI.Xaml;11using Windows.UI.Xaml.Controls;12using Windows.UI.Xaml.Navigation;13{14    {15        private static Dictionary<String, Object> sessionState = new Dictionary<String, Object>();16        private static Dictionary<String, Object> _sessionState = new Dictionary<String, Object>();17        private static List<Type> _knownTypes = new List<Type>();18        private static Boolean _sessionStateRead = false;19        {20            get { return sessionState; }21        }22        public static void RegisterFrame(Frame frame, String sessionStateKey)23        {24            if (frame.GetValue(FrameSessionStateKeyProperty) != null)25            {26                throw new InvalidOperationException("Frames can only be registered to one session state key");27            }28            if (frame.GetValue(FrameSessionBaseKeyProperty) != null)29            {30                throw new InvalidOperationException("Frames must be either be registered before accessing frame session state, or not registered at all");31            }32            if (!frame.GetValue(NavigationHelper.FrameSessionStateKeyProperty).Equals(sessionStateKey))33            {34                throw new InvalidOperationException("Invalid RegisterFrame invocation for frame");35            }36            frame.SetValue(FrameSessionBaseKeyProperty, sessionStateKey);37            frame.Navigated += (sender, e) =>38            {39                if (e.NavigationMode == NavigationMode.New)40                {41                    ClearFrameStateForFrame(frame);42                }43            };44        }45        public static Dictionary<String, Object> SessionStateForFrame(Frame frame)46        {47            var frameState = new Dictionary<String, Object>();48            var frameSessionKey = frame.GetValue(FrameSessionBaseKeyProperty) as String;49            if (frameSessionKey != null)50            {51                var frameSessionState = SessionState[frameSessionKey] as Dictionary<String, Object>;52                if (frameSessionState != null)53                {54                    frameState = frameSessionState;55                }56            }57            return frameState;58        }59        public static void RegisterKnownType(Type type)60        {61            if (!_knownTypes.Contains(type))62            {63                _knownTypes.Add(type);64            }

SaveStateEventArgs

Using AI Code Generation

1using AppUIBasics.Common;2using AppUIBasics.Data;3using AppUIBasics.SamplePages;4using Windows.UI.Xaml;5using Windows.UI.Xaml.Controls;6using Windows.UI.Xaml.Navigation;7{8    {9        private NavigationHelper navigationHelper;10        private ObservableDictionary defaultViewModel = new ObservableDictionary();11        public Scenario4()12        {13            this.InitializeComponent();14            navigationHelper = new NavigationHelper(this);15            navigationHelper.LoadState += navigationHelper_LoadState;16            navigationHelper.SaveState += navigationHelper_SaveState;17        }18        void navigationHelper_LoadState(object sender, LoadStateEventArgs e)19        {20            if (e.PageState == null) return;21            if (e.PageState.ContainsKey("SelectedItem"))22            {23                var selectedItem = (SampleDataItem)e.PageState["SelectedItem"];24                itemListView.SelectedItem = selectedItem;25                if (!Frame.Navigate(typeof(SamplePage1), selectedItem))26                {27                    throw new Exception("Failed to create scenario page");28                }29            }30        }31        void navigationHelper_SaveState(object sender, SaveStateEventArgs e)32        {33            var selectedItem = (SampleDataItem)itemListView.SelectedItem;34            if (selectedItem != null)35            {36                e.PageState["SelectedItem"] = selectedItem;37            }38        }39        {40            get { return this.navigationHelper; }41        }42        {43            get { return this.defaultViewModel; }44        }45        protected override void OnNavigatedTo(NavigationEventArgs e)46        {47            navigationHelper.OnNavigatedTo(e);48        }49        protected override void OnNavigatedFrom(NavigationEventArgs e)50        {51            navigationHelper.OnNavigatedFrom(e);52        }53        private void itemListView_SelectionChanged(object sender, SelectionChangedEventArgs e)54        {55            var selectedItem = (SampleDataItem)itemListView.SelectedItem;56            if (

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.InteropServices.WindowsRuntime;6using Windows.Foundation;7using Windows.Foundation.Collections;8using Windows.UI.Xaml;9using Windows.UI.Xaml.Controls;10using Windows.UI.Xaml.Controls.Primitive;11using Windows.UI.Xaml.Data;12using Windows.UI.Xaml.Input;13using Windows.UI.Xaml.Media;14using Windows.UI.Xaml.Navigation;15using AppUIBasics.Common;16{17    {18        private NavigationHelper navigationHelper;19        private ObservableDictionary defaultViewModel = new ObservableDictionary();20        {21            get { return this.navigationHelper; }22        }23        {24            get { return this.defaultViewModel; }25        }26        public MainPage()27        {28            this.InitializeComponent();29            this.navigationHelper = new NavigationHelper(this);30            this.navigationHelper.LoadState += navigationHelper_LoadState;31            this.navigationHelper.SaveState += navigationHelper_SaveState;32        }33        private void navigationHelper_SaveState(object sender, SaveStateEventArgs e)34        {35        }36        private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)37        {38        }39        protected override void OnNavigatedTo(NavigationEventArgs e)40        {41            navigationHelper.OnNavigatedTo(e);42        }43        protected override void OnNavigatedFrom(NavigationEventArgs e)44        {45            navigationHelper.OnNavigatedFrom(e);46        }47        private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)48        {49            var selectedItem = e.AddedItems.FirstOrDefault();50            if (selectedItem != null)51            {52                this.Frame.Navigate(Type.GetType("AppUIBasics." + selectedItem.ToString()));53            }54        }55    }56}57                }58            }59            return frameState;60        }61        public static void RegisterKnownType(Type type)62        {63            if (!_knownTypes.Contains(type))64            {65                _knownTypes.Add(type);66            }

SaveStateEventArgs

Using AI Code Generation

1using AppUIBasics.Common;2using AppUIBasics.Data;3using AppUIBasics.SamplePages;4using Windows.UI.Xaml;5using Windows.UI.Xaml.Controls;6using Windows.UI.Xaml.Navigation;7{8    {9        private NavigationHelper navigationHelper;10        private ObservableDictionary defaultViewModel = new ObservableDictionary();11        public Scenario4()12        {13            this.InitializeComponent();14            navigationHelper = new NavigationHelper(this);15            navigationHelper.LoadState += navigationHelper_LoadState;16            navigationHelper.SaveState += navigationHelper_SaveState;17        }18        void navigationHelper_LoadState(object sender, LoadStateEventArgs e)19        {20            if (e.PageState == null) return;21            if (e.PageState.ContainsKey("SelectedItem"))22            {23                var selectedItem = (SampleDataItem)e.PageState["SelectedItem"];24                itemListView.SelectedItem = selectedItem;25                if (!Frame.Navigate(typeof(SamplePage1), selectedItem))26                {27                    throw new Exception("Failed to create scenario page");28                }29            }30        }31        void navigationHelper_SaveState(object sender, SaveStateEventArgs e)32        {33            var selectedItem = (SampleDataItem)itemListView.SelectedItem;34            if (selectedItem != null)35            {36                e.PageState["SelectedItem"] = selectedItem;37            }38        }39        {40            get { return this.navigationHelper; }41        }42        {43            get { return this.defaultViewModel; }44        }45        protected override void OnNavigatedTo(NavigationEventArgs e)46        {47            navigationHelper.OnNavigatedTo(e);48        }49        protected override void OnNavigatedFrom(NavigationEventArgs e)50        {51            navigationHelper.OnNavigatedFrom(e);52        }53        private void itemListView_SelectionChanged(object sender, SelectionChangedEventArgs e)54        {55            var selectedItem = (SampleDataItem)itemListView.SelectedItem;56            if (

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.InteropServices.WindowsRuntime;6using Windows.Foundation;7using Windows.Foundation.Collections;8using Windows.UI.Xaml;9using Windows.UI.Xaml.Controls;10using Windows.UI.Xaml.Controls.Primitive;11using Windows.UI.Xaml.Data;12using Windows.UI.Xaml.Input;13using Windows.UI.Xaml.Media;14using Windows.UI.Xaml.Navigation;15using AppUIBasics.Common;16{17    {18        private NavigationHelper navigationHelper;19        private ObservableDictionary defaultViewModel = new ObservableDictionary();20        {21            get { return this.navigationHelper; }22        }23        {24            get { return this.defaultViewModel; }25        }26        public MainPage()27        {28            this.InitializeComponent();29            this.navigationHelper = new NavigationHelper(this);30            this.navigationHelper.LoadState += navigationHelper_LoadState;31            this.navigationHelper.SaveState += navigationHelper_SaveState;32        }33        private void navigationHelper_SaveState(object sender, SaveStateEventArgs e)34        {35        }36        private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)37        {38        }39        protected override void OnNavigatedTo(NavigationEventArgs e)40        {41            navigationHelper.OnNavigatedTo(e);42        }43        protected override void OnNavigatedFrom(NavigationEventArgs e)44        {45            navigationHelper.OnNavigatedFrom(e);46        }47        private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)48        {49            var selectedItem = e.AddedItems.FirstOrDefault();50            if (selectedItem != null)51            {52                this.Frame.Navigate(Type.GetType("AppUIBasics." + selectedItem.ToString()));53            }54        }55    }56}

SaveStateEventArgs

Using AI Code Generation

1using AppUIBasics.Common;2using AppUIBasics.Data;3using AppUIBasics.SamplePages;4using Windows.UI.Xaml;5using Windows.UI.Xaml.Controls;6using Windows.UI.Xaml.Navigation;7{8    {9        private NavigationHelper navigationHelper;10        private ObservableDictionary defaultViewModel = new ObservableDictionary();11        public Scenario4()12        {13            this.InitializeComponent();14            navigationHelper = new NavigationHelper(this);15            navigationHelper.LoadState += navigationHelper_LoadState;16            navigationHelper.SaveState += navigationHelper_SaveState;17        }18        void navigationHelper_LoadState(object sender, LoadStateEventArgs e)19        {20            if (e.PageState == null) return;21            if (e.PageState.ContainsKey("SelectedItem"))22            {23                var selectedItem = (SampleDataItem)e.PageState["SelectedItem"];24                itemListView.SelectedItem = selectedItem;25                if (!Frame.Navigate(typeof(SamplePage1), selectedItem))26                {27                    throw new Exception("Failed to create scenario page");28                }29            }30        }31        void navigationHelper_SaveState(object sender, SaveStateEventArgs e)32        {33            var selectedItem = (SampleDataItem)itemListView.SelectedItem;34            if (selectedItem != null)35            {36                e.PageState["SelectedItem"] = selectedItem;37            }38        }39        {40            get { return this.navigationHelper; }41        }42        {43            get { return this.defaultViewModel; }44        }45        protected override void OnNavigatedTo(NavigationEventArgs e)46        {47            navigationHelper.OnNavigatedTo(e);48        }49        protected override void OnNavigatedFrom(NavigationEventArgs e)50        {51            navigationHelper.OnNavigatedFrom(e);52        }53        private void itemListView_SelectionChanged(object sender, SelectionChangedEventArgs e)54        {55            var selectedItem = (SampleDataItem)itemListView.SelectedItem;56            if (

SaveStateEventArgs

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Runtime.InteropServices.WindowsRuntime;6using Windows.Foundation;7using Windows.Foundation.Collections;8using Windows.UI.Xaml;9using Windows.UI.Xaml.Controls;10using Windows.UI.Xaml.Controls.Primitive;11using Windows.UI.Xaml.Data;12using Windows.UI.Xaml.Input;13using Windows.UI.Xaml.Media;14using Windows.UI.Xaml.Navigation;15using AppUIBasics.Common;16{17    {18        private NavigationHelper navigationHelper;19        private ObservableDictionary defaultViewModel = new ObservableDictionary();20        {21            get { return this.navigationHelper; }22        }23        {24            get { return this.defaultViewModel; }25        }26        public MainPage()27        {28            this.InitializeComponent();29            this.navigationHelper = new NavigationHelper(this);30            this.navigationHelper.LoadState += navigationHelper_LoadState;31            this.navigationHelper.SaveState += navigationHelper_SaveState;32        }33        private void navigationHelper_SaveState(object sender, SaveStateEventArgs e)34        {35        }36        private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)37        {38        }39        protected override void OnNavigatedTo(NavigationEventArgs e)40        {41            navigationHelper.OnNavigatedTo(e);42        }43        protected override void OnNavigatedFrom(NavigationEventArgs e)44        {45            navigationHelper.OnNavigatedFrom(e);46        }47        private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)48        {49            var selectedItem = e.AddedItems.FirstOrDefault();50            if (selectedItem != null)51            {52                this.Frame.Navigate(Type.GetType("AppUIBasics." + selectedItem.ToString()));53            }54        }55    }56}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.