Opc.Ua.XmlDecoder.ReadString C# (CSharp) Method

        private string ReadString()
        {
            string value = m_reader.ReadContentAsString();
            
            // check the length.
            if (value != null)
            {            
                if (m_context.MaxStringLength > 0 && m_context.MaxStringLength < value.Length)
                {
                    throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
                }
            }

            return value;
        }

        /// <summary>
        /// Updates the attributes from the stream.
        /// </summary>
        /// <param name="context">The context for the system being accessed.</param>
        /// <param name="decoder">The decoder wrapping the stream to read.</param>
        public override void Update(ISystemContext context, XmlDecoder decoder)
        {
            base.Update(context, decoder);

            decoder.PushNamespace(Namespaces.OpcUaXsd);

            if (decoder.Peek("Value"))
            {
                WrappedValue = decoder.ReadVariant("Value");
            }

            if (decoder.Peek("DataType"))
            {
                DataType = decoder.ReadNodeId("DataType");
            }

            if (decoder.Peek("ValueRank"))
            {
                ValueRank = decoder.ReadInt32("ValueRank");
            }

            if (decoder.Peek("ArrayDimensions"))
            {
                ArrayDimensions = BaseVariableState.ArrayDimensionsFromXml(decoder.ReadString("ArrayDimensions"));
            }

            decoder.PopNamespace();
        }