I'm not an expert in the OBEX stuff in the main library, but see the ObexWebRequest class for sending, and the ObexListener class for receiving. There are various samples provided which show them in action, e.g. ObexPushApplication and ObexPushVB (both for NETCF I think) and, DesktopListener and DeviceListener (one for desktop, one for NETCF).
Alan J. McFarlane
http://www.alanjmcf.me.uk/
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