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

        internal DataTableReaderListener(DataTableReader reader)
        {
            if (reader == null)
            {
                throw ExceptionBuilder.ArgumentNull(nameof(DataTableReader));
            }
            if (_currentDataTable != null)
            {
                UnSubscribeEvents();
            }
            _readerWeak = new WeakReference(reader);
            _currentDataTable = reader.CurrentDataTable;
            if (_currentDataTable != null)
            {
                SubscribeEvents();
            }
        }