System.Xml.XmlTextReaderImpl.ReadBase64 C# (CSharp) Méthode

        internal int ReadBase64(byte[] array, int offset, int len)
        {
            Debug.Assert(_v1Compat, "XmlTextReaderImpl.ReadBase64 cannot be called on reader created via XmlReader.Create.");
            Debug.Assert(_outerReader is XmlTextReader);

            if (_parsingFunction == ParsingFunction.InIncrementalRead)
            {
                if (_incReadDecoder != _base64Decoder)
                { // mixing ReadBase64 with ReadChars or ReadBinHex
                    InitBase64Decoder();
                }
                return IncrementalRead(array, offset, len);
            }
            else
            {
                if (_curNode.type != XmlNodeType.Element)
                {
                    return 0;
                }
                if (_curNode.IsEmptyElement)
                {
                    _outerReader.Read();
                    return 0;
                }

                if (_base64Decoder == null)
                {
                    _base64Decoder = new Base64Decoder();
                }

                InitIncrementalRead(_base64Decoder);
                return IncrementalRead(array, offset, len);
            }
        }

 public int ReadBase64(byte[] array, int offset, int len)
 {
     return(_impl.ReadBase64(array, offset, len));
 }