Hi Lucius ,
Since the technical obstacle of this issue mainly comes from the COM
interop of using Live Messenger SDK, this should be Windows Live Messenger
SDK development question instead of .Net Winform programming question.
Based on my experience, Windows Live Messenger provided 2 dev SDKs for
development however both of them allow us to create the extensions of
Messenger instead of creating a new client. So I do not think this can be
done. See the link below:
http://www.vssdk.com/?p=19
Anyway, there is a dedicated MSDN forum for Windows Live Messenger
development, you may post further Live Messenger programming questions
there:
"Windows Live Messenger: Development "
http://forums.microsoft.com/MSDN/ShowForum.aspx?ForumID=112&SiteID=1&PageID=
3
Thanks for your understanding.
Best regards,
Jeffrey Tan
Microsoft Online Community Support
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