public static extern CagdCrvStruct *TrimEvalTrimCrvToEuclid2(CagdSrfStruct *Srf, CagdCrvStruct *UVCrv, CagdCrvStruct **UVCrvLinear);
public static extern void TrimMake2ndCrvSameLengthAs1stCrv(CagdCrvStruct *Crv1, CagdCrvStruct **Crv2);
public static extern MdlTrimSrfStruct *MdlTrimSrfNew2(CagdSrfStruct *Srf, CagdCrvStruct **LoopList, int NumLoops, int HasTopLvlTrim);