public bool CreateSession (ChatSession chatSession)
 {
     return false;
 }
        private int GetMemeberCount(ChatSession session)
        {
#if (!ISWIN)
            int count = 0;
            foreach (ChatSessionMember member in session.Members)
            {
                if (member.HasBeenAdded) count++;
            }
            return count;
#else
            return session.Members.Count(member => member.HasBeenAdded);
#endif
        }