0027350: Support for Universal Windows Platform

- Toolchain file to configure a Visual Studio generator for a Windows 10 Universal Application was added (CMake).
- There is no support for environment variables in UWP.
- SID is not supported (were excluded).
- Windows registry is not supported (were excluded).
- Mess with usage of Unicode/ANSI was corrected.
- Added sample to check UWP functionality.
- Excluded usage of methods with Unicode characters where it is possible.
- Minor corrections to allow building OCAF (except TKVCAF) and DE (except VRML and XDE)
- Building of unsupported modules for UWP platform is off by default .
- Checking of DataExchange functionality was added to XAML (UWP) sample.
- Added information about UWP to the documentation.
- Update of results of merge with issue 27801

samples/xaml/App.xaml.cpp

@@ -0,0 +1,124 @@
+//
+// App.xaml.cpp
+// Implementation of the App class.
+//
+
+#include "pch.h"
+#include "MainPage.xaml.h"
+
+using namespace uwp;
+
+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);
+}
+
+/// <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="theEvent">Details about the launch request and process.</param>
+void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ theEvent)
+{
+#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();
+
+    rootFrame->NavigationFailed += ref new Windows::UI::Xaml::Navigation::NavigationFailedEventHandler(this, &App::OnNavigationFailed);
+
+    if (theEvent->PreviousExecutionState == ApplicationExecutionState::Terminated)
+    {
+      // TODO: Restore the saved session state only when appropriate, scheduling the
+      // final launch steps after the restore is complete
+
+    }
+
+    if (theEvent->PrelaunchActivated == false)
+    {
+      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), theEvent->Arguments);
+      }
+      // Place the frame in the current Window
+      Window::Current->Content = rootFrame;
+      // Ensure the current window is active
+      Window::Current->Activate();
+    }
+  }
+  else
+  {
+    if (theEvent->PrelaunchActivated == false)
+    {
+      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), theEvent->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="theSender">The source of the suspend request.</param>
+/// <param name="theEvent">Details about the suspend request.</param>
+void App::OnSuspending(Object^ theSender, SuspendingEventArgs^ theEvent)
+{
+  (void)theSender;  // Unused parameter
+  (void)theEvent;   // Unused parameter
+
+                    //TODO: Save application state and stop any background activity
+}
+
+/// <summary>
+/// Invoked when Navigation to a certain page fails
+/// </summary>
+/// <param name="theSender">The Frame which failed navigation</param>
+/// <param name="theEvent">Details about the navigation failure</param>
+void App::OnNavigationFailed(Platform::Object ^theSender, Windows::UI::Xaml::Navigation::NavigationFailedEventArgs ^theEvent)
+{
+  throw ref new FailureException("Failed to load Page " + theEvent->SourcePageType.Name);
+}