currentDataNode Method

Returns an IXMLDOMNode object (which is part of the Microsoft XML, version 2.0 object model interface) that epresents the Extensible Markup Language (XML) node for the specified text range inside an XML Data View Web Part.

expression.currentDataNode(Range)

expression    Required. An expression that returns one of the objects in the Applies To list.

Range    Required IHTMLTxtRange. Specifies a range or selection of text and elements inside of an XML Data View Web Part.