look at the code base for tools like emule, or xmule (open source I think).
Or, look at the development kit for instamt messenger.
--
Regards
John Timney (Microsoft ASP.NET MVP)
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"Larsp" <an*******@discussions.microsoft.com> wrote in message
news:08****************************@phx.gbl...
Hi! I'm member of a school projekt that is going to make a
IM applikation. My jobb is to make the peer to peer
communication work. The client sends via the server that
he has a file he wants to share. Then someone can answer
and once a communication-line has been made they can send
files to each other without goint via the server.
where can I find help about this?