Microsoft.Silverlight.Testing.Controls.TreeViewItem.ToggleExpanded C# (CSharp) Метод

        private void ToggleExpanded(RoutedEventHandler handler, RoutedEventArgs args)
        {
            ToggleButton expander = ExpanderButton;
            if (expander != null)
            {
                expander.IsChecked = IsExpanded;
            }

            UpdateVisualState(true);
            RaiseEvent(handler, args);
        }