| Details_XPathException | Provides the exception thrown when an error occurs while processing an XPath expression. |
| IXPathNavigable | Provides an accessor to the XPathNavigator class. |
| XPathDocument | Provides a fast, read-only, in-memory representation of an XML document by using the XPath data model. |
| XPathExpression | Provides a typed class that represents a compiled XPath expression. |
| XPathItem | Represents an item in the XQuery 1.0 and XPath 2.0 Data Model. |
| XPathNavigator | Provides a cursor model for navigating and editing XML data. |
| XPathNodeIterator | Provides an iterator over a selected set of nodes. |