internal bool SkipNotify()
        {
            XObject parent = this;

            while (true)
            {
                while ((parent != null) && (parent.annotations == null))
                {
                    parent = parent.parent;
                }
                if (parent == null)
                {
                    return(true);
                }
                if (parent.Annotations <XObjectChangeAnnotation>() != null)
                {
                    return(false);
                }
                parent = parent.parent;
            }
        }