CMake/Tests/VSXaml/App.xaml.cpp
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2016-05-16 16:05:19 -04:00

132 lines
4.4 KiB
C++

//
// App.xaml.cpp
// Implementation of the App class.
//
#include "pch.h"
#include "MainPage.xaml.h"
using namespace VSXaml;
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 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)
{
#if _DEBUG
// Show graphics profiling information while debugging.
if (IsDebuggerPresent()) {
// Display the current frame rate counters
DebugSettings->EnableFrameRateCounter = true;
}
#endif
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();
// Set the default language
rootFrame->Language =
Windows::Globalization::ApplicationLanguages::Languages->GetAt(0);
rootFrame->NavigationFailed +=
ref new Windows::UI::Xaml::Navigation::NavigationFailedEventHandler(
this, &App::OnNavigationFailed);
if (e->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
rootFrame->Navigate(TypeName(MainPage::typeid), e->Arguments);
}
// 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
rootFrame->Navigate(TypeName(MainPage::typeid), e->Arguments);
}
// 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
}
/// <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);
}