NX二次开发培训源码分享： 通过选择指定特征，修改特征...

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" Z5 Z* u6 i6 d/ f创建一个选择feature的功能，当用户选择的是sphere的时候，让用户选择更改球的直径！
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Session *theSession = Session::GetSession();
        UI         *theUI = UI        ::GetUI();
( ]8 ]1 H% B" V& c: d        Part *workPart (theSession->Parts()->Work());
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        // initialize the select
        std::vector <Selection::MaskTriple> masks(1);
        Selection::MaskTriple mask;
        mask.Type=UF_feature_type;
        mask.Subtype =0;
        mask.SolidBodySubtype=0;
4 F% d' N8 d4 u2 o$ R( I        masks.push_back(mask);
        //masks[0] = {{UF_feature_type,0,0}};
2 T6 G" X7 m% d2 p  C        TaggedObject *object;
4 h; E2 M' C& X7 H9 R6 }        std::stringstream ss;
8 s: X6 c- r' Z+ U0 k9 Y        Point3d cursor;
# ~  P5 r2 R0 ?  B& ~        Selection::SelectionScope scope =  Selection::SelectionScopeUseDefault;
        Selection::SelectionAction action = Selection::SelectionActionClearAndEnableSpecific;
        Selection::Response res;
        Features::Feature * getFeature = NULL;
; e# e  ^6 L% b9 E        res = theUI->SelectionManager()->SelectTaggedObject("select a feature:","feature select",scope,action,false,false,masks,&object,&cursor);
        if(res == Selection::ResponseObjectSelected || res == Selection::ResponseObjectSelectedByName)
- `% N7 r& T, B+ y0 B' A& \* B. Y                {
0 T7 N+ t8 O9 n& {6 g% {. e2 x! o                        // get the information
                         getFeature = dynamic_cast<Features::Feature *>(object);
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! K9 a* d( G4 A. U# J+ Q& ]          theSession->ListingWindow()->WriteLine("the select feature type is : " +getFeature->FeatureType() + "\n");
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  f; V% ~: W. O9 j                 if (!strcmp(getFeature->FeatureType().GetUTF8Text(),"SPHERE"))
                 {
2 R- T6 g; {2 q+ b                         Features::Sphere *getSphere = dynamic_cast<Features::Sphere *>(getFeature);
  L4 B& A, f! l  }5 A4 U2 Z1 _                         std::vector<Expression *> exp =  getSphere->GetExpressions();
% L2 I1 J! s, q7 |/ Y1 Y+ q                         ss << exp.size() <<endl;
6 G( V1 e; J- \. d6 Y% r( {                         theSession->ListingWindow()->WriteLine("the expression number is : "  + ss.str() );
1 X; f- L) o$ _3 B3 c: }' O0 d: H                         for(unsigned int i =0 ; i< exp.size();i++)
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                                  theSession->ListingWindow()->WriteLine("The expressions are : " + exp[i]->Equation()+"\n");
$ D4 a$ O* C0 G  `" ^! m& ^3 X                         }
' ]# \/ S' Q" I) G0 ?8 Y                         Session::UndoMarkId undomark = theSession->SetUndoMark(Session::MarkVisibilityVisible,"change the exp");
; j2 L$ F: z8 R5 w                         exp[0]->SetRightHandSide("400");
9 p2 Z0 @6 V% U$ H2 b                         theSession->UpdateManager()->DoUpdate(undomark);
7 |! Q* p* g$ P2 ?/ Z                         theSession->ListingWindow()->WriteLine("The expressions are : " + exp[0]->Equation()+"\n");
' I( a  t% ]4 V                 }
; G, B$ x( \+ G/ I8 B          }
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