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-rw-r--r--winrt/winapp/App.xaml.cpp109
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diff --git a/winrt/winapp/App.xaml.cpp b/winrt/winapp/App.xaml.cpp
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+//
+// App.xaml.cpp
+// Implementation of the App class.
+//
+
+#include "pch.h"
+#include "MainPage.xaml.h"
+
+
+using namespace winapp;
+
+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="args">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
+}