Headless.XPathNavigableExtensions.GetNavigator C# (CSharp) Method

        public static XPathNavigator GetNavigator(this IXPathNavigable navigable)
        {
            if (navigable == null)
            {
                throw new ArgumentNullException("navigable");
            }

            var navigator = navigable.CreateNavigator();

            if (navigator == null)
            {
                throw new InvalidOperationException(Resources.XPathNavigator_NavigatorNotCreated);
            }

            return navigator;
        }