I think you're confusing two different selections. Outlook.Selection is the
collection of items that are selected. That you can get. As far as getting
what text is selected in a specific email item what I said before goes.
Using the Outlook object model you can't get what text is selected.
If you are using the 3rd party library Redemption
(
www.dimastr.com/redemption) you can get the appropriate editor for the type
of item (HTML, plain text, RTF) and that will let you get the selected text.
Otherwise, as I said before, for HTML you would get the HTML.Document and
use the HTML Document object model. For WordMail you get the Word.Document
and use that object model.