System.Xml.XmlTextWriter.HandleSpecialAttribute C# (CSharp) Method

        void HandleSpecialAttribute() {
            string value = xmlEncoder.AttributeValue;
            switch (this.specialAttr) {
                case SpecialAttr.XmlLang:
                    stack[top].xmlLang = value;
                    break;
                case SpecialAttr.XmlSpace:
                    // validate XmlSpace attribute
                    value = XmlConvert.TrimString(value);
                    if (value == "default") {
                        stack[top].xmlSpace = XmlSpace.Default;
                    }
                    else if (value == "preserve") {
                        stack[top].xmlSpace = XmlSpace.Preserve;
                    }
                    else {
                        throw new ArgumentException(Res.GetString(Res.Xml_InvalidXmlSpace, value));
                    }
                    break;
                case SpecialAttr.XmlNs:
                    VerifyPrefixXml(this.prefixForXmlNs, value);
                    PushNamespace(this.prefixForXmlNs, value, true);
                    break;
            }
        }