private void InitializeProperties()
{
queryFilter = new EarthquakeQueryFilter();
queryResults = new Collection <EarthquakeViewModel>();
displayTypes = new ObservableCollection <FeatureLayerViewModel>();
filteredQueryResults = new ObservableCollection <EarthquakeViewModel>();
SelectedMapMode = MapControlModes.FirstOrDefault();
foreach (FeatureLayer featureLayer in mapModel.StyleLayerOverlay.Layers.OfType <FeatureLayer>())
{
DisplayTypes.Add(new FeatureLayerViewModel(featureLayer));
}
SelectedFeatureLayer = DisplayTypes.FirstOrDefault();
}
