public THashSet<Contact> getProximityMatchCandidates(string sessionId)
{
#if !SILVERLIGHT
send_getProximityMatchCandidates(sessionId);
return recv_getProximityMatchCandidates();
#else
var asyncResult = Begin_getProximityMatchCandidates(null, null, sessionId);
return End_getProximityMatchCandidates(asyncResult);
#endif
}
#if SILVERLIGHT