System.Data.SqlTypes.SqlBytes.CopyStreamToBuffer C# (CSharp) Method

        private void CopyStreamToBuffer()
        {
            Debug.Assert(FStream());

            long lStreamLen = _stream.Length;
            if (lStreamLen >= x_lMaxLen)
                throw new SqlTypeException(SR.SqlMisc_WriteOffsetLargerThanLenMessage);

            if (_rgbBuf == null || _rgbBuf.Length < lStreamLen)
                _rgbBuf = new byte[lStreamLen];

            if (_stream.Position != 0)
                _stream.Seek(0, SeekOrigin.Begin);

            _stream.Read(_rgbBuf, 0, (int)lStreamLen);
            _stream = null;
            _lCurLen = lStreamLen;
            _state = SqlBytesCharsState.Buffer;

            AssertValid();
        }