QuickFix.SessionSettings.Has C# (CSharp) Method

        public bool Has(SessionID sessionID)
        {
            return settings_.ContainsKey(sessionID);
        }

 /// <summary>
 /// Add new session, either at start-up or as an ad-hoc operation
 /// </summary>
 /// <param name="sessionID">ID of new session<param>
 /// <param name="dict">config settings for new session</param></param>
 /// <returns>true if session added successfully, false if session already exists or is not an initiator</returns>
 public bool AddSession(SessionID sessionID, Dictionary dict)
 {
     if (dict.GetString(SessionSettings.CONNECTION_TYPE) == "initiator" && !sessionIDs_.Contains(sessionID))
     {
         Session session = sessionFactory_.Create(sessionID, dict);
         lock (sync_)
         {
             if (!_settings.Has(sessionID))  // session won't be in settings if ad-hoc creation after startup
             {
                 _settings.Set(sessionID, dict);
             }
             sessionIDs_.Add(sessionID);
             sessions_[sessionID] = session;
             SetDisconnected(sessionID);
         }
         return(true);
     }
     return(false);
 }