Esri.ArcGISRuntime.Toolkit.Controls.LegendTree.UpdateLayerVisibilities C# (CSharp) Метод

        internal void UpdateLayerVisibilities()
        {
            LayerItems.ForEach(layerItem =>
                {
                    layerItem.DeferLayerItemsSourceChanged = true;
                    layerItem.UpdateLayerVisibilities(true, true, true);
                    layerItem.DeferLayerItemsSourceChanged = false;
                }
            );
        }
        #endregion

        private void OnLayerPropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            var layer = sender as Layer;

            if (layer == null)
            {
                return;
            }

            if (e.PropertyName == "MinScale")
            {
                MinimumScale = Layer.MinScale != 0 && !double.IsNaN(Layer.MinScale)
                                                       ? Math.Min(_serviceMinScale, Layer.MinScale)
                                                       : _serviceMinScale;
                if (LegendTree != null)
                {
                    LegendTree.UpdateLayerVisibilities();
                }
            }
            else if (e.PropertyName == "MaxScale")
            {
                MaximumScale = !double.IsNaN(Layer.MaxScale)
                                                                   ? Math.Max(_serviceMaxScale, Layer.MaxScale)
                                                                   : _serviceMaxScale;
                if (LegendTree != null)
                {
                    LegendTree.UpdateLayerVisibilities();
                }
            }
            else if (e.PropertyName == "IsVisible")
            {
                if (LegendTree != null)
                {
                    LegendTree.UpdateLayerVisibilities();
                }
            }
            else if (e.PropertyName == "DisplayName")
            {
                Label = layer.DisplayName;
            }
            else if (e.PropertyName == "Status")
            {
                //if (!(sender is GroupLayerBase)) // For group layers, we don't wait for initialized event
                Refresh();
            }
        }