MateConstraint surf1, surf2, surf3, surf4, surf5, surf6, surf7, surf8;
surf1 = oAssCompDef.Constraints.AddMateConstraint(oFace1, oFace2, 0,
InferredTypeEnum.kNoInference, InferredTypeEnum.kNoInference);
surf2 = oAssCompDef.Constraints.AddMateConstraint(oFace3, oFace4, 0,
InferredTypeEnum.kNoInference, InferredTypeEnum.kNoInference);