text: ﻿//
  // App.xaml.cpp
  // Implementation of the App class.
  //
  
  // clang-format off
  
  #include "pch.h"
  
  using namespace MinApp;
  
  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;
  
  /// <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);
  }
  
  extern "C" int main(int argc, char* argv[]);
  extern "C" void UIApplicationActivated(Windows::ApplicationModel::Activation::IActivatedEventArgs^ e);
  extern "C" void UIApplicationLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ e);
  #ifdef ENABLE_BACKGROUND_TASK
  extern "C" void UIApplicationBackgroundActivated(Windows::ApplicationModel::Activation::BackgroundActivatedEventArgs^ e);
  #endif
  
  /// <summary>
  /// Invoked when the application is launched normally by the end user.  Other entry points
  /// will be used such as when the application is launched to open a specific file.
  /// </summary>
  /// <param name="e">Details about the launch request and process.</param>
  void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ e) {
      main(0, NULL);
      UIApplicationLaunched(e);
  }
  
  void App::OnActivated(Windows::ApplicationModel::Activation::IActivatedEventArgs^ e) {
      main(0, NULL);
      UIApplicationActivated(e);
  }
  
  void App::OnFileActivated(FileActivatedEventArgs^ args)
  {
      main(0, NULL);
      UIApplicationActivated(args);
  }
  
  #ifdef ENABLE_BACKGROUND_TASK
  void App::OnBackgroundActivated(Windows::ApplicationModel::Activation::BackgroundActivatedEventArgs^ e) {
      __super ::OnBackgroundActivated(e);
      UIApplicationBackgroundActivated(e);
  }
  #endif
  
  /// <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*/) {
      // TODO: Save application state and stop any background activity
  }
  
  /// <summary>
  /// Invoked when Navigation to a certain page fails
  /// </summary>
  /// <param name="sender">The Frame which failed navigation</param>
  /// <param name="e">Details about the navigation failure</param>
  void App::OnNavigationFailed(Platform::Object^ sender, Windows::UI::Xaml::Navigation::NavigationFailedEventArgs^ e) {
      throw ref new FailureException("Failed to load Page " + e->SourcePageType.Name);
  }
  
  // clang-format on
  