System.Xml.XmlBaseReader.AddXmlnsAttribute C# (CSharp) Méthode

        protected XmlAttributeNode AddXmlnsAttribute(Namespace ns)
        {
            if (!ns.Prefix.IsEmpty && ns.Uri.IsEmpty)
                XmlExceptionHelper.ThrowEmptyNamespace(this);

            // Some prefixes can only be bound to a particular namespace
            if (ns.Prefix.IsXml && ns.Uri != xmlNamespace)
            {
                XmlExceptionHelper.ThrowXmlException(this, new XmlException(SR.Format(SR.XmlSpecificBindingPrefix, "xml", xmlNamespace)));
            }
            else if (ns.Prefix.IsXmlns && ns.Uri != xmlnsNamespace)
            {
                XmlExceptionHelper.ThrowXmlException(this, new XmlException(SR.Format(SR.XmlSpecificBindingPrefix, "xmlns", xmlnsNamespace)));
            }

            _nsMgr.Register(ns);
            XmlAttributeNode attributeNode = AddAttribute(QNameType.Xmlns, false);
            attributeNode.Namespace = ns;
            attributeNode.AttributeText.Namespace = ns;
            return attributeNode;
        }