public void GetXmlFromFile(ContentURI uri, string filePath, out XPathDocument xPathDoc) { xPathDoc = null; if (FileStorageIO.URIAbsoluteExists(uri, filePath)) { XmlReader reader = FileStorageIO.GetXmlReader(uri, filePath); if (reader != null) { using (reader) { xPathDoc = new XPathDocument(reader); } } } }