public class Orders
    {
        static NinjaTrader.Client.Client NTClient;

        static Object _ATILock = new Object();

        static int sequenceNumber;


        // this is a static construcor
        // we establish once a pipe to NinjaTrader
        public  Orders ()
        {
            //init
            if (NTClient == null)
            {
                NTClient = new NinjaTrader.Client.Client();
                sequenceNumber = 0;
            }
            
        }

        // this should only be done once, when we quite the windows app
        public static void TearDown ()
        {
                NTClient.TearDown();
                NTClient = null;
        }
}