It is just a well-formed XML document, so you can load and change it as
any other XML documents.
However, as I see it, configuration should be maintained by the admin,
maybe with Notepad or some admin tool, and should not be updated
directly by your app unless you are writting that tool itself, or
writting an installation packake. If it is to store user preferences,
store in the registry or a separate file instead.
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Thi -
http://thith.blogspot.com