System.Xml.Serialization.XmlSerializationWriterInterpreter.WriteMemberElement C# (CSharp) Method

		void WriteMemberElement (XmlTypeMapElementInfo elem, object memberValue)
		{
			switch (elem.TypeData.SchemaType)
			{
				case SchemaTypes.XmlNode:
					string elemName = elem.WrappedElement ? elem.ElementName : "";
					if (_format == SerializationFormat.Literal) WriteElementLiteral(((XmlNode)memberValue), elemName, elem.Namespace, elem.IsNullable, false);
					else WriteElementEncoded(((XmlNode)memberValue), elemName, elem.Namespace, elem.IsNullable, false);
					break;

				case SchemaTypes.Enum:
				case SchemaTypes.Primitive:
					if (_format == SerializationFormat.Literal) 
						WritePrimitiveValueLiteral (memberValue, elem.ElementName, elem.Namespace, elem.MappedType, elem.TypeData, elem.WrappedElement, elem.IsNullable);
					else 
						WritePrimitiveValueEncoded (memberValue, elem.ElementName, elem.Namespace, new XmlQualifiedName (elem.DataTypeName, elem.DataTypeNamespace), elem.MappedType, elem.TypeData, elem.WrappedElement, elem.IsNullable);
					break;

				case SchemaTypes.Array:
					if (memberValue == null) {
						if (!elem.IsNullable) return;
						if (_format == SerializationFormat.Literal) WriteNullTagLiteral (elem.ElementName, elem.Namespace);
						else WriteNullTagEncoded (elem.ElementName, elem.Namespace);
					}
					else if (elem.MappedType.MultiReferenceType) 
						WriteReferencingElement (elem.ElementName, elem.Namespace, memberValue, elem.IsNullable);
					else {
						WriteStartElement(elem.ElementName, elem.Namespace, memberValue);
						WriteListContent (null, elem.TypeData, (ListMap) elem.MappedType.ObjectMap, memberValue, null);
						WriteEndElement (memberValue);
					}
					break;

				case SchemaTypes.Class:
					if (elem.MappedType.MultiReferenceType)	{
						if (elem.MappedType.TypeData.Type == typeof(object))
							WritePotentiallyReferencingElement (elem.ElementName, elem.Namespace, memberValue, null, false, elem.IsNullable);
						else
							WriteReferencingElement (elem.ElementName, elem.Namespace, memberValue, elem.IsNullable);
					}
					else WriteObject (elem.MappedType, memberValue, elem.ElementName, elem.Namespace, elem.IsNullable, false, true);
					break;

				case SchemaTypes.XmlSerializable:
					// bug #419973
					if (!elem.MappedType.TypeData.Type.IsInstanceOfType (memberValue))
						memberValue = ImplicitConvert (memberValue, elem.MappedType.TypeData.Type);
					WriteSerializable ((IXmlSerializable) memberValue, elem.ElementName, elem.Namespace, elem.IsNullable);
					break;

				default:
					throw new NotSupportedException ("Invalid value type");
			}
		}