Initializes a read-only System.Xml.XPath.XPathNavigator object for navigating through nodes in this System.Xml.XPath.XPathDocument.
A read-only System.Xml.XPath.XPathNavigator object.
The System.Xml.XPath.XPathNavigator is positioned on the root element of the System.Xml.XPath.XPathDocument. If there is no root element, the System.Xml.XPath.XPathNavigator is positioned on the first element in the System.Xml.XPath.XPathDocument.