ArcGISWindowsPhoneSDK.PortalMetadata.OnBackKeyPress C# (CSharp) 메소드

        protected override void OnBackKeyPress(System.ComponentModel.CancelEventArgs e)
        {
            if (MapsPage.IsOpen || GroupsPage.IsOpen)
            {
                ApplicationBar.IsVisible = true;
                e.Cancel = true;
            }
        }