RootFrame_FirstNavigated 107 samples/winrt_universal/PhoneTutorial/App.xaml.cpp void App::RootFrame_FirstNavigated(Object^ sender, NavigationEventArgs^ e) RootFrame_FirstNavigated 136 samples/winrt_universal/VideoCaptureXAML/video_capture_xaml/video_capture_xaml.Shared/App.xaml.cpp void App::RootFrame_FirstNavigated(Object^ sender, NavigationEventArgs^ e)