NXopen C++ 分割成两段，我怎么得到两条线段的tag

SimonLv

我想请教一下大神：为什么我用分割曲线命令，将一条线分割成两段，我怎么得到两条线段的tag，这是录制代码，每到这里程序就蹦了
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    std::vector<NXObject *> objects1;
    objects1 = divideCurveBuilder1->GeTCommittedObjects();
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完整代码如下：
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/ c" Y$ J' T# k. ?" F// NX 7.5.0.32
0 F- ?* {; A+ @4 v$ Y// Journal created by 99112 on Sat Apr 04 23:13:53 2020 中国标准时间
, c4 Y/ b3 d  A. t1 p/ D//
: L" d/ P! D" X. Q% c#include <uf_defs.h>
2 A) Q. U* ~" \6 i" ]#include <NXOpen/NXException.hxx>
#include <NXOpen/Session.hxx>
#include <NXOpen/Builder.hxx>
#include <NXOpen/Direction.hxx>
#include <NXOpen/Expression.hxx>
8 H8 K( {: x+ ?! `' ?, h& L#include <NXOpen/ExpressionCollection.hxx>
#include <NXOpen/Features_BaseFeatureCollection.hxx>
#include <NXOpen/Features_DivideCurveBuilder.hxx>
; U% q7 e$ e! T: \. f#include <NXOpen/Features_FeatureCollection.hxx>
) w- d: _+ g- B+ o' {+ R#include <NXOpen/Features_PointFeature.hxx>
: t1 `* K) i) G5 ?#include <NXOpen/ModelingView.hxx>
#include <NXOpen/ModelingViewCollection.hxx>
" N6 I, X: {3 \5 A/ I6 n#include <NXOpen/NXObject.hxx>
#include <NXOpen/Part.hxx>
; `6 b8 m. X2 Y#include <NXOpen/PartCollection.hxx>
#include <NXOpen/Plane.hxx>
% h0 z( c/ w! ^( V# n+ M7 B* j#include <NXOpen/PlaneCollection.hxx>
#include <NXOpen/Point.hxx>
#include <NXOpen/PointCollection.hxx>
8 z# i0 R, R! y( I#include <NXOpen/Preferences_PartModeling.hxx>
#include <NXOpen/Preferences_PartPreferences.hxx>
#include <NXOpen/Section.hxx>
#include <NXOpen/SectionCollection.hxx>
#include <NXOpen/SelectCurve.hxx>
+ K8 o# s: j4 Z  q$ @4 Q; c& m. |, {! g#include <NXOpen/SelectObject.hxx>
. ]- ^+ t$ O1 ?: {  \8 x, v#include <NXOpen/SelectPointList.hxx>
#include <NXOpen/Session.hxx>
, {9 j, |- ^& X0 C1 n7 {#include <NXOpen/Spline.hxx>
#include <NXOpen/SplineCollection.hxx>
#include <NXOpen/TaggedObject.hxx>
#include <NXOpen/Unit.hxx>
#include <NXOpen/UnitCollection.hxx>
#include <NXOpen/Update.hxx>
using namespace NXOpen;

: M6 k6 D1 B8 b+ B1 Qextern "C" DllExport int ufusr_ask_unload()
$ V* L/ L4 j* s/ v8 D{
    return (int)Session::LibraryUnloadOptionImmediately;
+ f, E1 G) H; r" j5 L2 Z/ w}

extern "C" DllExport void ufusr(char *param, int *retCode, int paramLen)
{
    Session *theSession = Session::GetSession();
6 }2 w) W  x8 A' m, |    Part *workPart(theSession->Parts()->Work());
5 w, T0 Y# W) Y7 ]; W$ S, H( ^! Y6 Q  E    Part *displayPart(theSession->Parts()->Display());
    // ----------------------------------------------
7 m6 s/ d4 D- b& ^0 S" f    //   Menu: Edit->Curve->Divide...
    // ----------------------------------------------
& F6 n/ }+ R9 ?- g6 Z    Session::UndoMarkId markId1;
    markId1 = theSession->SetUndoMark(Session::MarkVisibilityVisible, "Start");

    Features::Feature *nullFeatures_Feature(NULL);
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    if ( !workPart->Preferences()->Modeling()->GetHistoryMode() )
    {
        throw NXException::Create("Create or edit of a Feature was recorded in History Mode but playback is in History-Free Mode.");
$ d2 Y: a( U  @& O    }

    Features::DivideCurveBuilder *divideCurveBuilder1;
    divideCurveBuilder1 = workPart->BaseFeatures()->CreateDivideCurveBuilder(nullFeatures_Feature);
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- Z( l- k5 R5 C: v" i# J    Point3d origin1(0.0, 0.0, 0.0);
7 j# }" _5 ~! w$ W    Vector3d normal1(0.0, 0.0, 1.0);
5 Q3 U* u2 @7 e0 T- Y2 m5 S    Plane *plane1;
    plane1 = workPart->Planes()->CreatePlane(origin1, normal1, SmartObject::UpdateOptionWithinModeling);
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    divideCurveBuilder1->SetBoundingPlane(plane1);
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" ^& [; A' u  }4 U1 A    Section *section1;
    section1 = workPart->Sections()->CreateSection(0.00095, 0.001, 0.005);
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    Unit *unit1(dynamic_cast<Unit *>(workPart->UnitCollection()->FindObject("MilliMeter")));
* H/ C( g0 z( s4 Q1 B2 G! D$ K! ]    Expression *expression1;
    expression1 = workPart->Expressions()->CreateSystemExpressionWithUnits("0", unit1);

    Section *section2;
0 L5 v4 @7 I7 C/ z& p- ~  t5 \6 P    section2 = workPart->Sections()->CreateSection(0.00095, 0.001, 0.005);
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" Z2 I3 ^2 B" c# ]4 u    Expression *expression2;
    expression2 = workPart->Expressions()->CreateSystemExpressionWithUnits("0", unit1);
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    divideCurveBuilder1->SetEqualSegmentMethod(Features::DivideCurveBuilder::EqualSegmentOptionEqualArcLength);
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    divideCurveBuilder1->SetEqualParameterSegments(5);
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. i! T: \$ p3 D" f2 O' x1 ~" C    divideCurveBuilder1->SetEqualArcLengthSegments(5);

0 \; a- Z9 Z+ R/ `" o' c1 n% f    theSession->SetUndoMarkName(markId1, NXString("Divide Curve \345\257\271\350\257\235\346\241\206", NXString::UTF8));

    divideCurveBuilder1->SetType(Features::DivideCurveBuilder::TypesByBoundingObjects);
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    Spline *spline1(dynamic_cast<Spline *>(workPart->Splines()->FindObject("HANDLE R-13222")));
8 b# B; L5 l7 i9 T0 y9 r! Z    Point3d point1(687.588524265161, -38.7585251796817, 92.0013591828029);
0 @. j# v% I$ [2 q    divideCurveBuilder1->DividingCurve()->SetValue(spline1, workPart->ModelingViews()->WorkView(), point1);

    divideCurveBuilder1->SetBoundingObjectMethod(Features::DivideCurveBuilder::BoundingObjectOptionProjectPoint);
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' H% L$ u  b" d6 c    Features::PointFeature *pointFeature1(dynamic_cast<Features::PointFeature *>(workPart->Features()->FindObject("POINT(33)")));
    Point *point2(dynamic_cast<Point *>(pointFeature1->FindObject("POINT 1")));
& G* |/ n7 N/ Q: y! `    Xform *nullXform(NULL);
    Point *point3;
    point3 = workPart->Points()->CreatePoint(point2, nullXform, SmartObject::UpdateOptionWithinModeling);
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    divideCurveBuilder1->SetBoundingProjectPoint(point3);

  U& C. H# U. z2 h- M4 N- P    Session::UndoMarkId markId2;
    markId2 = theSession->SetUndoMark(Session::MarkVisibilityInvisible, "Divide Curve");
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    NXObject *nXObject1;
    nXObject1 = divideCurveBuilder1->Commit();
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" t3 G# y1 P) l- s* A( J    std::vector<NXObject *> objects1;
    objects1 = divideCurveBuilder1->GetCommittedObjects();

    theSession->DeleteUndoMark(markId2, NULL);

    theSession->SetUndoMarkName(markId1, "Divide Curve");

    divideCurveBuilder1->Destroy();
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    try
    {
4 u, ~8 T; A. I7 O! W6 B        // 表达式仍然在使用中。
) F" N; _3 Q+ n! H1 m        workPart->Expressions()->Delete(expression2);
, a" P3 c- @. ?3 Q0 f2 \! J    }
! V" X0 L, g# n- o; n. I2 Z( C" v    catch (const NXException &ex)
( o: v5 d$ y+ B; u# t    {
$ q6 y1 Y8 q$ p( D- q      ex.AssertErrorCode(1050029);
    }
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" G% P* P, k  w5 R5 v1 @& R6 g5 ]    section2->Destroy();
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    try
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0 ~9 m8 b2 P8 C/ {2 j$ I' N- i- x5 D        // 表达式仍然在使用中。
        workPart->Expressions()->Delete(expression1);
    }
    catch (const NXException &ex)
0 D* d4 F# j$ K) m( J. o- x0 Y    {
# u" ]* `7 q% c  l2 D7 q      ex.AssertErrorCode(1050029);
. J" b% X$ E6 z* [    }
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4 {4 j1 Y& B  U$ ~+ O$ f4 L1 Z8 F    section1->Destroy();

7 Y3 G: r! \: k! Z9 b    plane1->DestroyPlane();
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    int nErrs1;
    nErrs1 = theSession->UpdateManager()->DoUpdate(markId1);
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6 d6 ]) n8 w; i6 P3 S    // ----------------------------------------------
    //   Menu: Tools->Journal->Stop Recording
, ]# \# c; ^6 _: Z' D    // ----------------------------------------------
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7 M+ q' S! K2 J希望大神指点
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admin

objects1 = divideCurveBuilder1->GetCommittedObjects()  这个是空吗？ 如果不是通常情况下，就是在这里，你可以打印看下。

另外一种方式就是生成的feature，通过feature去找对应的子对象

SimonLv

C:\Users\99112\Desktop
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( z' {2 |7 P/ J) v1 M  q% |[mw_shl_code=cpp,true]objects1 = divideCurveBuilder1->GetCommittedObjects() [/mw_shl_code]的值一直是两个0，这段是录制jounal生成的，源代码就是这么获取的
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- `! Z+ Q9 W/ P4 j我用

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[mw_shl_code=cpp,true]        Features::Feature *feat1;
' O& Y& l' r1 I( A. K+ s1 [- b4 k        feat1 = divideCurveBuilder1->CommitFeature();[/mw_shl_code]
代替
& i( w+ Q- O8 q[mw_shl_code=cpp,true]    NXObject *nXObject1;
# z/ v) d3 ?& U" L4 d! ~) L. b    nXObject1 = cylinderBuilder1->Commit();[/mw_shl_code]
: A( S- @- r* V# P也可以分割一条曲线成两条   但是我想用这两条线怎么获取他们的tag？？
' q0 `$ p4 R1 H3 \9 U希望指点一下？
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