mgpk-politex-zadania

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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices.WindowsRuntime;
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using Windows.ApplicationModel;
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using Windows.ApplicationModel.Activation;
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using Windows.Foundation;
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using Windows.Foundation.Collections;
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using Windows.UI.Xaml;
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using Windows.UI.Xaml.Controls;
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using Windows.UI.Xaml.Controls.Primitives;
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using Windows.UI.Xaml.Data;
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using Windows.UI.Xaml.Input;
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using Windows.UI.Xaml.Media;
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using Windows.UI.Xaml.Navigation;
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namespace UWPKursovayaAvtobus
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{
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    /// <summary>
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    /// Provides application-specific behavior to supplement the default Application class.
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    /// </summary>
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    sealed partial class App : Application
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    {
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        /// <summary>
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        /// Initializes the singleton application object.  This is the first line of authored code
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        /// executed, and as such is the logical equivalent of main() or WinMain().
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        /// </summary>
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        public App()
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        {
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            this.InitializeComponent();
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            this.Suspending += OnSuspending;
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        }
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        /// <summary>
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        /// Invoked when the application is launched normally by the end user.  Other entry points
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        /// will be used such as when the application is launched to open a specific file.
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        /// </summary>
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        /// <param name="e">Details about the launch request and process.</param>
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        protected override void OnLaunched(LaunchActivatedEventArgs e)
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        {
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            Frame rootFrame = Window.Current.Content as Frame;
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            // Do not repeat app initialization when the Window already has content,
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            // just ensure that the window is active
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            if (rootFrame == null)
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            {
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                // Create a Frame to act as the navigation context and navigate to the first page
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                rootFrame = new Frame();
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                rootFrame.NavigationFailed += OnNavigationFailed;
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                if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
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                {
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                    //TODO: Load state from previously suspended application
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                }
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                // Place the frame in the current Window
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                Window.Current.Content = rootFrame;
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            }
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            if (e.PrelaunchActivated == false)
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            {
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                if (rootFrame.Content == null)
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                {
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                    // When the navigation stack isn't restored navigate to the first page,
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                    // configuring the new page by passing required information as a navigation
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                    // parameter
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                    rootFrame.Navigate(typeof(MainPage), e.Arguments);
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                }
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                // Ensure the current window is active
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                Window.Current.Activate();
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            }
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        }
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        /// <summary>
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        /// Invoked when Navigation to a certain page fails
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        /// </summary>
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        /// <param name="sender">The Frame which failed navigation</param>
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        /// <param name="e">Details about the navigation failure</param>
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        void OnNavigationFailed(object sender, NavigationFailedEventArgs e)
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        {
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            throw new Exception("Failed to load Page " + e.SourcePageType.FullName);
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        }
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        /// <summary>
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        /// Invoked when application execution is being suspended.  Application state is saved
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        /// without knowing whether the application will be terminated or resumed with the contents
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        /// of memory still intact.
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        /// </summary>
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        /// <param name="sender">The source of the suspend request.</param>
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        /// <param name="e">Details about the suspend request.</param>
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        private void OnSuspending(object sender, SuspendingEventArgs e)
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        {
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            var deferral = e.SuspendingOperation.GetDeferral();
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            //TODO: Save application state and stop any background activity
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            deferral.Complete();
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        }
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    }
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}
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