Exemple #1
0
        /// <summary>
        /// Invoked when the application is launched normally by the end user.  Other entry points
        /// will be used when the application is launched to open a specific file, to display
        /// search results, and so forth.
        /// </summary>
        /// <param name="args">Details about the launch request and process.</param>
        protected async override void OnLaunched(LaunchActivatedEventArgs args)
        {
            IPageNavigator pageNavigator = ServiceLocator.Instance.Resolve <IPageNavigator>();

            Frame rootFrame = Window.Current.Content as Frame;

            // Do not repeat app initialization when the Window already has content,
            // just ensure that the window is active
            if (rootFrame == null)
            {
                // Create a Frame to act as the navigation context and navigate to the first page
                rootFrame = new Frame();

                // Place the frame in the current Window
                Window.Current.Content = rootFrame;

                if (args.PreviousExecutionState == ApplicationExecutionState.Terminated)
                {
                    await pageNavigator.LoadAsync();
                }
            }

            if (rootFrame.Content == null)
            {
                // When the navigation stack isn't restored navigate to the first page,
                // configuring the new page by passing required information as a navigation
                // parameter
                if (!pageNavigator.NavigateTo("MainPage", new MainViewModel()))
                {
                    throw new Exception("Failed to create initial page");
                }
            }
            // Ensure the current window is active
            Window.Current.Activate();
        }
Exemple #2
0
        /// <summary>
        /// Invoked when the application is launched normally by the end user.  Other entry points
        /// will be used when the application is launched to open a specific file, to display
        /// search results, and so forth.
        /// </summary>
        /// <param name="args">Details about the launch request and process.</param>
        protected override async void OnLaunched(LaunchActivatedEventArgs args)
        {
            Frame          rootFrame     = Window.Current.Content as Frame;
            IPageNavigator pageNavigator = ServiceLocator.Instance.Resolve <IPageNavigator>();

            // Do not repeat app initialization when the Window already has content,
            // just ensure that the window is active
            if (rootFrame == null)
            {
                // Create a Frame to act as the navigation context and navigate to the first page
                Window.Current.Content = rootFrame = new Frame();
            }

            // Reload our state and navigation stack
            try
            {
                // Load the state
                await pageNavigator.LoadAsync();
            }
            catch (Exception)
            {
                //Something went wrong restoring state.
                //Assume there is no state and continue
            }

            // If it didn't restore the state, the content will be null.
            if (rootFrame.Content == null)
            {
                // When the navigation stack isn't restored navigate to the first page,
                // configuring the new page by passing required information as a navigation
                // parameter
                if (!pageNavigator.NavigateTo("GroupedItems"))
                {
                    throw new Exception("Failed to create initial page");
                }
            }

            // Ensure the current window is active
            Window.Current.Activate();
        }