QuickFix.SessionSettings.Validate C# (CSharp) Method

        protected void Validate(QuickFix.Dictionary dictionary)
        {
            string beginString = dictionary.GetString(BEGINSTRING);
            if (beginString != Values.BeginString_FIX40 &&
                beginString != Values.BeginString_FIX41 &&
                beginString != Values.BeginString_FIX42 &&
                beginString != Values.BeginString_FIX43 &&
                beginString != Values.BeginString_FIX44 &&
                beginString != Values.BeginString_FIXT11)
            {
                throw new ConfigError(BEGINSTRING + " (" + beginString + ") must be FIX.4.0 to FIX.4.4 or FIXT.1.1");
            }

            string connectionType = dictionary.GetString(CONNECTION_TYPE);
            if (!"initiator".Equals(connectionType) && !"acceptor".Equals(connectionType))
            {
                throw new ConfigError(CONNECTION_TYPE + " must be 'initiator' or 'acceptor'");
            }
        }