ArcGIS Pro二次开发闪烁对象

private async void FlashFeaturesAsync(IReadOnlyDictionary<BasicFeatureLayer, List<long>> flashFeatures)
		{
			//Get the active map view.
			var mapView = MapView.Active;
			if (mapView == null)
				return;
			await QueuedTask.Run(() =>
			{
				//Flash the collection of features.
				mapView.FlashFeature(flashFeatures);
			});
		}