public static void RemoveObjectNames(DrawingGroup drawingGroup)
{
if (drawingGroup.GetValue(FrameworkElement.NameProperty) != null)
drawingGroup.SetValue(FrameworkElement.NameProperty, null);
foreach (var child in drawingGroup.Children.OfType<DependencyObject>())
{
if (child.GetValue(FrameworkElement.NameProperty) != null)
child.SetValue(FrameworkElement.NameProperty, null);
if (child is DrawingGroup)
RemoveObjectNames(child as DrawingGroup);
}
}
