结合中遇到的问题

秋爱

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请问怎么把NXOPEN创建的直线用UF的函数生成管道呢。我在界面上能获取任意两点生成直线（nxopen实现的），把直线转换成UF函数里边的参数后管道不能创建，请求帮助，代码如下：
$ ?( O0 V2 c7 k# q: M. b1 J            //两点创建直线
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) _% v6 }3 i; S  E                Session *theSession = Session::GetSession();
                Part *workPart(theSession->arts()->Work());
                Part *displayPart(theSession->arts()->Display());

                std::vector<TaggedObject*>pp = point0->GetSelectedObjects();    //获取选择的点
                TaggedObject * p = pp[0];
                Point * getpoint = dynamic_cast<oint*>(p);

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                std::vector<TaggedObject*>qq = point1->GetSelectedObjects();    //获取选择的点
% f- [" u1 ]+ B6 y' q                TaggedObject * p1 = qq[0];
                Point * getpoint1 = dynamic_cast<oint*>(p1);  

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7 n5 ~5 T" g+ W: D5 W: g! k                Features::AssociativeLine *nullFeatures_AssociativeLine(NULL);
                Features::AssociativeLineBuilder *associativeLineBuilder1;
) b- S3 `! z% Q2 \* ?0 m* t                associativeLineBuilder1 = workPart->BaseFeatures()->CreateAssociativeLineBuilder(nullFeatures_AssociativeLine);

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9 z( K! ^/ u: B  L, g8 Z                Unit *unit1;
. D$ i; ]- v& _5 U1 [2 Z, d( x% M                unit1 = associativeLineBuilder1->Limits()->StartLimit()->Distance()->Units();
                associativeLineBuilder1->Limits()->StartLimit()->Distance()->SetRightHandSide("0");
) @0 J0 c1 u) \                associativeLineBuilder1->Limits()->EndLimit()->SetLimitOption(GeometricUtilities::CurveExtendData:imitOptionsAtPoint);

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6 O' c* W" E) h" D$ z                associativeLineBuilder1->StartPoint()->SetValue(getpoint);
                associativeLineBuilder1->SetStartPointOptions(Features::AssociativeLineBuilder::StartOptionPoint);
' a& ?6 `; g4 _; t  R: D; ~0 P7 h  `, @                associativeLineBuilder1->EndPoint()->SetValue(getpoint1);
# ^' o3 N# u, }* E1 {3 S3 [                associativeLineBuilder1->SetEndPointOptions(Features::AssociativeLineBuilder::EndOptionPoint);
                NXObject *nXObject1;
                nXObject1 = associativeLineBuilder1->Commit();
                associativeLineBuilder1->Destroy();


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! N3 c* t/ }" |" `& b                //uf部分
$ j6 A! y: V. i7 v$ D                UF_initialize();
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                tag_t linetag =( nXObject1->Tag());
& Y/ h* J9 K' A+ d+ r& h- r! z                uf_list_p_t path_list = NULL;
2 ^4 j* B4 F. y. `                char * limit [ 2 ] = {"20","0"};
+ B/ V* p3 z! r: x5 L9 I" I                UF_FEATURE_SIGN sign = UF_NULLSIGN;
                tag_t target_body = null_tag;
3 S1 c4 e6 ]) x8 F1 v                uf_list_p_t  feature_list = NULL;
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: L9 V$ i+ [4 s                UF_MODL_create_list(&path_list);
               
                UF_MODL_put_list_item(path_list,linetag);
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                UF_MODL_create_tube1(path_list,limit,sign,target_body,&feature_list);
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                errorCode = UF_MODL_delete_list(&path_list);
2 Y3 z2 u- q: M! f" M( n, ^                UF_MODL_delete_list(&feature_list);
                UF_terminate();
( G! c% m* a& [( T* H8 R                associativeLineBuilder1->Destroy();