System.Runtime.Serialization.XmlReaderDelegator.XmlReaderDelegator.ReadExtensionData C# (CSharp) Method

        internal IDataNode ReadExtensionData(Type valueType)
        {
            switch (Type.GetTypeCode(valueType))
            {
                case TypeCode.Boolean:
                    return new DataNode<bool>(ReadContentAsBoolean());
                case TypeCode.Char:
                    return new DataNode<char>(ReadContentAsChar());
                case TypeCode.Byte:
                    return new DataNode<byte>(ReadContentAsUnsignedByte());
                case TypeCode.Int16:
                    return new DataNode<short>(ReadContentAsShort());
                case TypeCode.Int32:
                    return new DataNode<int>(ReadContentAsInt());
                case TypeCode.Int64:
                    return new DataNode<long>(ReadContentAsLong());
                case TypeCode.Single:
                    return new DataNode<float>(ReadContentAsSingle());
                case TypeCode.Double:
                    return new DataNode<double>(ReadContentAsDouble());
                case TypeCode.Decimal:
                    return new DataNode<decimal>(ReadContentAsDecimal());
                case TypeCode.DateTime:
                    return new DataNode<DateTime>(ReadContentAsDateTime());
                case TypeCode.String:
                    return new DataNode<string>(ReadContentAsString());
                case TypeCode.SByte:
                    return new DataNode<sbyte>(ReadContentAsSignedByte());
                case TypeCode.UInt16:
                    return new DataNode<ushort>(ReadContentAsUnsignedShort());
                case TypeCode.UInt32:
                    return new DataNode<uint>(ReadContentAsUnsignedInt());
                case TypeCode.UInt64:
                    return new DataNode<ulong>(ReadContentAsUnsignedLong());
                case TypeCode.Empty:
                case TypeCode.DBNull:
                case TypeCode.Object:
                default:
                    if (valueType == Globals.TypeOfByteArray)
                        return new DataNode<byte[]>(ReadContentAsBase64());
                    else if (valueType == Globals.TypeOfObject)
                        return new DataNode<object>(new object());
                    else if (valueType == Globals.TypeOfTimeSpan)
                        return new DataNode<TimeSpan>(ReadContentAsTimeSpan());
                    else if (valueType == Globals.TypeOfGuid)
                        return new DataNode<Guid>(ReadContentAsGuid());
                    else if (valueType == Globals.TypeOfUri)
                        return new DataNode<Uri>(ReadContentAsUri());
                    else if (valueType == Globals.TypeOfXmlQualifiedName)
                        return new DataNode<XmlQualifiedName>(ReadContentAsQName());
                    break;
            }
            throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateInvalidPrimitiveTypeException(valueType));
        }