System.Xml.Serialization.XmlCodeExporter.AddRootMetadata C# (CSharp) Method

        void AddRootMetadata(CodeAttributeDeclarationCollection metadata, TypeMapping typeMapping, string name, string ns, ElementAccessor rootElement) {
            string rootAttrName = typeof(XmlRootAttribute).FullName;
            
            // check that we haven't already added a root attribute since we can only add one
            foreach (CodeAttributeDeclaration attr in metadata) {
                if (attr.Name == rootAttrName) return;
            }

            CodeAttributeDeclaration attribute = new CodeAttributeDeclaration(rootAttrName);
            if (typeMapping.TypeDesc.Name != name) {
                attribute.Arguments.Add(new CodeAttributeArgument(new CodePrimitiveExpression(name)));
            }
            if (ns != null) {
                attribute.Arguments.Add(new CodeAttributeArgument("Namespace", new CodePrimitiveExpression(ns)));
            }
            if (typeMapping.TypeDesc != null && typeMapping.TypeDesc.IsAmbiguousDataType) {
                attribute.Arguments.Add(new CodeAttributeArgument("DataType", new CodePrimitiveExpression(typeMapping.TypeDesc.DataType.Name)));
            }
            if ((object)(rootElement.IsNullable) != null) {
                attribute.Arguments.Add(new CodeAttributeArgument("IsNullable", new CodePrimitiveExpression((bool)rootElement.IsNullable)));
            }
            metadata.Add(attribute);
        }