text: //
  // App.xaml.cpp
  // Implementation of the App class.
  //
  
  #include "pch.h"
  #include "MainPage.xaml.h"
  
  using namespace TiltedShadow;
  
  using namespace Platform;
  using namespace Windows::ApplicationModel;
  using namespace Windows::ApplicationModel::Activation;
  using namespace Windows::Foundation;
  using namespace Windows::Foundation::Collections;
  using namespace Windows::UI::Xaml;
  using namespace Windows::UI::Xaml::Controls;
  using namespace Windows::UI::Xaml::Controls::Primitives;
  using namespace Windows::UI::Xaml::Data;
  using namespace Windows::UI::Xaml::Input;
  using namespace Windows::UI::Xaml::Interop;
  using namespace Windows::UI::Xaml::Media;
  using namespace Windows::UI::Xaml::Navigation;
  
  // The Blank Application template is documented at http://go.microsoft.com/fwlink/?LinkId=234227
  
  /// <summary>
  /// Initializes the singleton application object.  This is the first line of authored code
  /// executed, and as such is the logical equivalent of main() or WinMain().
  /// </summary>
  App::App()
  {
      InitializeComponent();
      Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
  }
  
  /// <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="pArgs">Details about the launch request and process.</param>
  void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ args)
  {
      auto rootFrame = dynamic_cast<Frame^>(Window::Current->Content);
  
      // Do not repeat app initialization when the Window already has content,
      // just ensure that the window is active
      if (rootFrame == nullptr)
      {
          // Create a Frame to act as the navigation context and associate it with
          // a SuspensionManager key
          rootFrame = ref new Frame();
  
          if (args->PreviousExecutionState == ApplicationExecutionState::Terminated)
          {
              // TODO: Restore the saved session state only when appropriate, scheduling the
              // final launch steps after the restore is complete
  
          }
  
          if (rootFrame->Content == nullptr)
          {
              // 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 (!rootFrame->Navigate(TypeName(MainPage::typeid), args->Arguments))
              {
                  throw ref new FailureException("Failed to create initial page");
              }
          }
          // Place the frame in the current Window
          Window::Current->Content = rootFrame;
          // Ensure the current window is active
          Window::Current->Activate();
      }
      else
      {
          if (rootFrame->Content == nullptr)
          {
              // 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 (!rootFrame->Navigate(TypeName(MainPage::typeid), args->Arguments))
              {
                  throw ref new FailureException("Failed to create initial page");
              }
          }
          // Ensure the current window is active
          Window::Current->Activate();
      }
  }
  
  /// <summary>
  /// Invoked when application execution is being suspended.  Application state is saved
  /// without knowing whether the application will be terminated or resumed with the contents
  /// of memory still intact.
  /// </summary>
  /// <param name="sender">The source of the suspend request.</param>
  /// <param name="e">Details about the suspend request.</param>
  void App::OnSuspending(Object^ sender, SuspendingEventArgs^ e)
  {
      (void) sender;    // Unused parameter
      (void) e;    // Unused parameter
  
      //TODO: Save application state and stop any background activity
  }
  