AnimatGuiCtrls.Controls.ComboTreeBox.nodes_CollectionChanged C# (CSharp) Method

        void nodes_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
        {
            if (!isUpdating) {
                // verify that selected node still belongs to the tree
                if (!OwnsNode(selectedNode)) SetSelectedNode(null);

                // rebuild the view
                dropDown.UpdateVisibleItems();
            }
        }