// Events // :Navigation protected override void OnRemovedFromJournal(System.Windows.Navigation.JournalEntryRemovedEventArgs e) { // Set GPS service off _locationService.StopService(); // Remove handlers _locationService.GPSLocationChanged -= GPSLocationChanged; _locationService.GPSLocationChanged -= _viewModel.GPSLocationChanged; this.DataContext = null; _runUpdater.Tick -= _timerTick; _runUpdater.Stop(); }