Npgsql.NpgsqlConnectionStringBuilder.ContainsKey C# (CSharp) Method

		public bool ContainsKey(Keywords keyword)

		{
			return base.ContainsKey(GetKeyName(keyword));
		}

        /// <summary>
        /// Opens a database connection with the property settings specified by the
        /// <see cref="Npgsql.NpgsqlConnection.ConnectionString">ConnectionString</see>.
        /// </summary>
        public override void Open()
        {
            CheckConnectionClosed();

            NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, "Open");

            // Check if there is any missing argument.
            if (!settings.ContainsKey(Keywords.Host))
            {
                throw new ArgumentException(resman.GetString("Exception_MissingConnStrArg"),
                                            NpgsqlConnectionStringBuilder.GetKeyName(Keywords.Host));
            }
            if (!settings.ContainsKey(Keywords.UserName) && !settings.ContainsKey(Keywords.IntegratedSecurity))
            {
                throw new ArgumentException(resman.GetString("Exception_MissingConnStrArg"),
                                            NpgsqlConnectionStringBuilder.GetKeyName(Keywords.UserName));
            }

            // Get a Connector.  The connector returned is guaranteed to be connected and ready to go.
            connector = NpgsqlConnectorPool.ConnectorPoolMgr.RequestConnector(this);

            connector.Notice       += NoticeDelegate;
            connector.Notification += NotificationDelegate;

            if (SyncNotification)
            {
                connector.AddNotificationThread();
            }

            if (Enlist)
            {
                Promotable.Enlist(Transaction.Current);
            }
        }