in TrafficApp/MainPage.xaml.cs [644:654]
private void DisableMapSelection()
{
this.isMapSelectionEnabled = false;
this.InputMap.MapTapped -= InputMap_MapTapped;
this.InputMap.MapHolding += InputMap_MapHolding;
this.LocationsView.Visibility = Visibility.Visible;
this.MapSelectionModeMessage.Visibility = Visibility.Collapsed;
this.ListDisplayModeButton.IsEnabled = true;
this.AddCurrentLocationButton.IsEnabled = true;
this.AddNewLocationButton.IsEnabled = true;
}