private int GetPoints(FieldPropertyItem item)
        {
            int result = 0;

            if (item.RoleId != null)
            {
                result += 2;
            }
//            if (item.CompanyId != null) result += 1;
            return(result);
        }
        public int CompareTo(object o)
        {
            FieldPropertyItem nextItem = o as FieldPropertyItem;

            if (nextItem != null)
            {
                return(GetPoints(nextItem) - GetPoints(this));
            }
            else
            {
                return(-1);
            }
        }