public static extern int TrivIgaGenOneFaceNeighboringConstraints( int ArgmntID, TrivIGANeighboringConstraintCallBackType NeighboringConstraintCallBack, TrivTVStruct *TV1, int FaceID1, TrivTVStruct *TV2, int FaceID2, void *CallbackData);
public static extern void TrivIGAGenNeighboringConstraints(int ArgmntID, void *CallbackData, TrivIGANeighboringConstraintCallBackType NeighboringConstraintCallBack);