System.Data.DataTableReaderListener.CleanUp C# (CSharp) Метод

        internal void CleanUp() => UnSubscribeEvents();

        public override void Close()
        {
            if (!_isOpen)
            {
                return;
            }

            // no need to listen to events after close
            _listener?.CleanUp();

            _listener    = null !;
            _schemaTable = null;
            _isOpen      = false;
        }