/// <summary>
/// Retrieves, as an XName, the namespace name in this namespace resolver corresponding to the specified prefix, paired with the local name.
/// If the prefix is unknown, this throws an XslException.
/// </summary>
/// <param name="namespaceResolver"></param>
/// <param name="prefix"></param>
/// <param name="localName"></param>
/// <returns></returns>
public static XName GetRequiredXName(this IXmlNamespaceResolver namespaceResolver, string prefix, string localName)
{
if (localName == null)
{
throw new ArgumentNullException("localName");
}
return(namespaceResolver.GetRequiredXNamespace(prefix).GetName(localName));
}
