System.Xml.DtdParser.SaveParsingBuffer C# (CSharp) Method

        private void SaveParsingBuffer(int internalSubsetValueEndPos)
        {
            if (SaveInternalSubsetValue)
            {
                Debug.Assert(_internalSubsetValueSb != null);

                int readerCurPos = _readerAdapter.CurrentPosition;
                if (internalSubsetValueEndPos - readerCurPos > 0)
                {
                    _internalSubsetValueSb.Append(_chars, readerCurPos, internalSubsetValueEndPos - readerCurPos);
                }
            }
            _readerAdapter.CurrentPosition = _curPos;
        }