public static extern TrivTVStruct *TrivTVInterpScatPts(CagdCtlPtStruct *PtList,
int USize,
int VSize,
int WSize,
int UOrder,
int VOrder,
int WOrder,
double *UKV,
double *VKV,
double *WKV);
public static extern TrivTVStruct *TrivEditSingleTVPt(TrivTVStruct *TV,
CagdCtlPtStruct *CtlPt,
int UIndex,
int VIndex,
int WIndex,
int Write);