Scenarios_SelectionChanged 49 samples/winrt/ImageManipulations/MainPage.xaml.cpp Scenarios->SelectionChanged += ref new SelectionChangedEventHandler(this, &MainPage::Scenarios_SelectionChanged); Scenarios_SelectionChanged 99 samples/winrt/ImageManipulations/MainPage.xaml.h void Scenarios_SelectionChanged(Object^ sender, Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e);