草图偏置曲线返回的OBJECT无法用日志拉升

smalfly11

这是录的日志里草图偏置曲线里的
" Q3 J6 }9 {8 R/ gNXObject nXObject2;
    nXObject2 = skeTChOffsetBuilder1.Commit();
2 C8 T3 C; ]* c6 q   
2 v( |8 C& [: k( u/ b5 z" a    NXObject[] objects1;
. d1 h) a% f0 f$ L9 a# z2 _    objects1 = sketchOffsetBuilder1.GetCommittedObjects();
我返回了nXObject2;
# `3 w) `. M, Q; o6 ]4 x并录制了一个草图拉伸的日志 里面这么写的
NXOpen.Features.Feature[] features1 = new NXOpen.Features.Feature[1];
    NXOpen.Features.SketchFeature sketchFeature1 = (NXOpen.Features.SketchFeature)workPart.Features.FindObject("SKETCH(16)");
$ m7 W$ \  T3 _1 H8 r( v    features1[0] = sketchFeature1;
: ]: J: e% U2 q' ~3 _  w- O    Sketch sketch1 =(Sketch)workPart.Sketches.FindObject("SKETCH_00SKETCH_000");
! G( R* h: ^; t* r& \; b    Line line1 = (Line)sketch1.FindObject("Curve Line4");
  P8 b3 s' q& h' T# O% _' Y1 O    Curve nullCurve = null;
    CurveFeatureChainRule curveFeatureChainRule1;
    curveFeatureChainRule1 = workPart.ScRuleFactory.CreateRuleCurveFeatureChain(features1, line1, nullCurve, false, 0.00095);
   
9 m, I% G! ^9 e" x. b! A9 r    section1.AllowSelfIntersection(true);
$ g+ e' b. x( j1 ~8 Q   
: n) Q, [9 r. F: w% h    SelectionIntentRule[] rules1 = new SelectionIntentRule[1];
. T9 J* a7 h2 o6 a# [% F( x    rules1[0] = curveFeatureChainRule1;
    NXObject nullNXObject = null;
1 S( B1 ]2 {* m) G8 g( ~    Point3d helpPoint1 = new Point3d(-18.8530653857088, 21.736029640554, 0.0);
$ `' |4 e8 k  h8 [! _2 a0 N    section1.AddToSection(rules1, line1, nullNXObject, nullNXObject, helpPoint1, NXOpen.Section.Mode.Create, false);
6 n5 Z* C) Q, E" C我把NXOpen.Features.SketchFeature sketchFeature1 = (NXOpen.Features.SketchFeature)workPart.Features.FindObject("SKETCH(16)");
( X0 Y" B3 o& R( k改成了NXOpen.Features.SketchFeature sketchFeature1 = (NXOpen.Features.SketchFeature)nXObject2；
它报错说无法将 NXOpen.sketchoffset强制转换成NXOpen.features.sketchfeature;
( r# N  p, u# D
/ x- ?- I& G! u( K, p: |) s7 V再录一段没有草图的拉伸
( x; i' j) N) }3 j1 b7 ` NXOpen.Features.Feature[] features1 = new NXOpen.Features.Feature[1];
    NXOpen.Features.OffsetCurve offsetCurve1 = (NXOpen.Features.OffsetCurve)nXObject2;//在这写了nXObject2
" b* ?5 F, x; j4 I: d) v" o* s    features1[0] = offsetCurve1;
    workPart.Features.SuppressFeatures(features1);
$ ^: k- Q% o  L3 x# \它报错说无法将 NXOpen.sketchoffset强制转换成NXOpen.Features.OffsetCurve;
) M9 g$ R( R3 Z" A
; z  y% D. G4 ^3 D1 a( z求高手告诉我下怎么转换
2 k6 R7 W% D0 J" W. Y6 ^