AspNetEdit.Gui.Toolbox.Toolbox.toggleFiltering C# (CSharp) Метод

        private void toggleFiltering(object sender, EventArgs e)
        {
            if (!filterToggleButton.Active && (base.Children.Length == 3)) {
                filterEntry.Text = "";
                base.Remove (filterEntry);
            }
            else if (base.Children.Length == 2) {
                base.PackStart (filterEntry, false, false, 4);
                filterEntry.Show ();
                filterEntry.GrabFocus ();
            }
            else throw new Exception ("Unexpected number of widgets");
        }