AutoRankEditor.MainForm.cGroupOp_SelectedIndexChanged C# (CSharp) Метод

        private void cGroupOp_SelectedIndexChanged( object sender, EventArgs e ) {
            ((GroupNode)treeData.SelectedNode).Op = (GroupNodeType)cGroupOp.SelectedIndex;
            ((GroupNode)treeData.SelectedNode).UpdateLabel();
        }