public RescueReferenceSurface NthObject(long ordinal)
        {
            long returnNdx = NthObject5(nativeNdx
                                        , ordinal);

            if (returnNdx == 0)
            {
                return(null);
            }
            else
            {
                RescueReferenceSurface myReturn = new RescueReferenceSurface(returnNdx);
                int isA = myReturn.IsA();
                switch (isA)
                {
                case RescueObject.R_RescueBlockUnitHorizonSurface:
                    myReturn = new RescueBlockUnitHorizonSurface(returnNdx);
                    break;
                }
                return(myReturn);
            }
        }
        public RescueReferenceSurface ObjectNamed(string nameIn)
        {
            long returnNdx = ObjectNamed6(nativeNdx
                                          , nameIn);

            if (returnNdx == 0)
            {
                return(null);
            }
            else
            {
                RescueReferenceSurface myReturn = new RescueReferenceSurface(returnNdx);
                int isA = myReturn.IsA();
                switch (isA)
                {
                case RescueObject.R_RescueBlockUnitHorizonSurface:
                    myReturn = new RescueBlockUnitHorizonSurface(returnNdx);
                    break;
                }
                return(myReturn);
            }
        }
        public RescueReferenceSurface ObjectIdentifiedBy(long identifier)
        {
            long returnNdx = ObjectIdentifiedBy7(nativeNdx
                                                 , identifier);

            if (returnNdx == 0)
            {
                return(null);
            }
            else
            {
                RescueReferenceSurface myReturn = new RescueReferenceSurface(returnNdx);
                int isA = myReturn.IsA();
                switch (isA)
                {
                case RescueObject.R_RescueBlockUnitHorizonSurface:
                    myReturn = new RescueBlockUnitHorizonSurface(returnNdx);
                    break;
                }
                return(myReturn);
            }
        }