/// <summary>
/// Select a set of <see cref="XElement"/> using a XPath expression
/// </summary>
/// <param name="node">Extension point <see cref="XNode"/></param>
/// <param name="expression">The XPath expression</param>
/// <returns>An <see cref="IEnumerable<XElement>"/> corresponding to the resulting set of elements</returns>
public static IEnumerable <XElement> XPathSelectElements(this XNode node, string expression)
{
return(node.XPathSelectElements(expression, null));
}
/// <summary>
/// Select an <see cref="XElement"/> using a XPath expression
/// </summary>
/// <param name="node">Extension point <see cref="XNode"/></param>
/// <param name="expression">The XPath expression</param>
/// <param name="resolver">A <see cref="IXmlNamespaceResolver"/> for the namespace
/// prefixes used in the XPath expression</param>
/// <returns>An <see cref="XElement"> or null</see></returns>
public static XElement?XPathSelectElement(this XNode node, string expression, IXmlNamespaceResolver?resolver)
{
return(node.XPathSelectElements(expression, resolver).FirstOrDefault());
}