Q Q2P0 2018-6-14 05:05 Well post, thanks. Maybe instead call "App.Current.Exit();" Will be better do "args.Handled = true;" Seems less agressive. JH Jay Heuer 2018-1-16 23:46 Ahem, I am not able to find the namespace Windows.UI.Core.Preview.SystemNavigationManagerPreview. Anything I need to NuGet here? V Vincent 2018-1-7 14:03 WoCao, you finally did it!!! Niubility!!!