System.Data.XmlDataTreeWriter.CreateTablesHierarchy C# (CSharp) Method

        private void CreateTablesHierarchy(DataTable dt)
        {
            //            if (!dt.SerializeHierarchy)
            //                return;
            foreach (DataRelation r in dt.ChildRelations)
            {
                if (!_dTables.Contains(r.ChildTable))
                {
                    _dTables.Add(r.ChildTable);
                    CreateTablesHierarchy(r.ChildTable);
                }
            }
        }