/// <summary>
/// Destruct the previously created view.
/// </summary>
public override void Destruct()
{
// Unhook from events
Navigator.EnabledChanged -= OnEnabledChanged;
// Update the child panel to have group appearance
Navigator.ChildPanel.PanelBackStyle = Navigator.Group.GroupBackStyle;
// Remove the old root from the canvas
_drawPanel.Clear();
// Put the old root back again
ViewManager.Root = _oldRoot;
// Let base class perform common operations
base.Destruct();
}