Opc.Ua.XmlEncoder.WriteNodeId C# (CSharp) Method

        public void WriteNodeId(string fieldName, NodeId value)
        {
            if (BeginField(fieldName, value == null, true))
            {
                PushNamespace(Namespaces.OpcUaXsd);

                if (value != null)
                {
                    ushort namespaceIndex = value.NamespaceIndex;

                    if (m_namespaceMappings != null && m_namespaceMappings.Length > namespaceIndex)
                    {
                        namespaceIndex = m_namespaceMappings[namespaceIndex];
                    }

                    StringBuilder buffer = new StringBuilder();
                    NodeId.Format(buffer, value.Identifier, value.IdType, namespaceIndex);
                    WriteString("Identifier", buffer.ToString());
                }

                PopNamespace();

                EndField(fieldName);
            }
        }
        

        /// <summary>
        /// Saves the attributes from the stream.
        /// </summary>
        /// <param name="context">The context for the system being accessed.</param>
        /// <param name="encoder">The encoder wrapping the stream to write.</param>
        public override void Save(ISystemContext context, XmlEncoder encoder)
        {
            base.Save(context, encoder);

            encoder.PushNamespace(Namespaces.OpcUaXsd);

            if (m_value != null)
            {
                encoder.WriteVariant("Value", WrappedValue);
            }

            if (!NodeId.IsNull(DataType))
            {
                encoder.WriteNodeId("DataType", DataType);
            }

            if (ValueRank != ValueRanks.Any)
            {
                encoder.WriteInt32("ValueRank", ValueRank);
            }

            if (ArrayDimensions != null)
            {
                encoder.WriteString("ArrayDimensions", BaseVariableState.ArrayDimensionsToXml(ArrayDimensions));
            }

            encoder.PopNamespace();
        }