[Mono-devel-list] XmlDocumentNavigator should implement IHasXmlNode

[Duncan Mak]

Hey,

The relationship between the abstract class, XPathNavigator and the
IHasXmlNode interface is kinda funny. While XPathNavigator doesn't
implement the interface, it looks like concrete implementations of the
abstract class should implement the interface...

John Luke was having trouble with this on #mono:

[00:13] <jluke> XmlNode node = ((IHasXmlNode)nav).GetNode(); throws an
InvalidCastException, anyone know why?

This patch should fix the problem.

Should I commit?

Duncan.
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