internal static void Namespace()
{
XNamespace namespace1 = "http://www.w3.org/XML/1998/namespace"; // Implicitly convert string to XNamespace.
XNamespace namespace2 = XNamespace.Xml;
XNamespace namespace3 = XNamespace.Get("http://www.w3.org/2000/xmlns/");
(namespace1 == namespace2).WriteLine(); // True
(namespace1 != namespace3).WriteLine(); // True
XNamespace @namespace = "https://weblogs.asp.net/dixin";
XName name = @namespace + "localName"; // + operator.
name.WriteLine(); // {https://weblogs.asp.net/dixin}localName
XElement element = new XElement(name, new XAttribute(XNamespace.Xmlns + "dixin", @namespace)); // + operator.
element.WriteLine(); // <dixin:localName xmlns:dixin="https://weblogs.asp.net/dixin" />
}