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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: r1 M6 q! w6 d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();
5 Z; t, y$ v3 m        UI         *theUI = UI        ::GetUI();
8 \. y' g  h3 f        Part *workPart (theSession->Parts()->Work());
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        // initialize the select
. f4 g" e& W4 P, ]. x        std::vector <Selection::MaskTriple> masks(1);
        Selection::MaskTriple mask;
1 x; H0 M7 _& }* L# C! L* U  Q: H        mask.Type=UF_feature_type;
        mask.Subtype =0;
        mask.SolidBodySubtype=0;
. v9 V8 E/ t; z! b9 z# S        masks.push_back(mask);
        //masks[0] = {{UF_feature_type,0,0}};
8 _- _/ H) K0 M( x/ M" U7 f, R        TaggedObject *object;
: `+ q- C1 B+ t        std::stringstream ss;
  G* v0 e$ Z) h+ U9 ~1 D1 y        Point3d cursor;
. \' b/ O. k! F, H2 {3 `( K6 `3 M        Selection::SelectionScope scope =  Selection::SelectionScopeUseDefault;
        Selection::SelectionAction action = Selection::SelectionActionClearAndEnableSpecific;
        Selection::Response res;
        Features::Feature * getFeature = NULL;
2 v  z" P% b. D- L  y' r        res = theUI->SelectionManager()->SelectTaggedObject("select a feature:","feature select",scope,action,false,false,masks,&object,&cursor);
' \6 z9 V  F  P        if(res == Selection::ResponseObjectSelected || res == Selection::ResponseObjectSelectedByName)
                {
. c  P, z' j7 f! U                        // get the information
/ R+ h  a1 K, a; ~. J$ n, g. K. r; U                         getFeature = dynamic_cast<Features::Feature *>(object);

          theSession->ListingWindow()->WriteLine("the select feature type is : " +getFeature->FeatureType() + "\n");

                 if (!strcmp(getFeature->FeatureType().GetUTF8Text(),"SPHERE"))
                 {
  n, m. I/ U  X. k2 S3 o& f" W                         Features::Sphere *getSphere = dynamic_cast<Features::Sphere *>(getFeature);
3 g1 W" v+ V. ]$ K9 N6 ~+ v                         std::vector<Expression *> exp =  getSphere->GetExpressions();
                         ss << exp.size() <<endl;
4 R6 i/ Y( L# X; ]4 z: ^- x                         theSession->ListingWindow()->WriteLine("the expression number is : "  + ss.str() );
- m9 j& |* X9 J9 {% d! ~. V                         for(unsigned int i =0 ; i< exp.size();i++)
1 a$ N) z3 I$ p: o- x- F                         {   
                                  theSession->ListingWindow()->WriteLine("The expressions are : " + exp[i]->Equation()+"\n");
9 Z0 M5 f5 ]+ Q7 N. h                         }
* Y5 ^7 x) p2 ?$ K& X2 I                         Session::UndoMarkId undomark = theSession->SetUndoMark(Session::MarkVisibilityVisible,"change the exp");
, f  ^9 K, s: x$ _                         exp[0]->SetRightHandSide("400");
                         theSession->UpdateManager()->DoUpdate(undomark);
1 @( j0 N/ N# z  ]                         theSession->ListingWindow()->WriteLine("The expressions are : " + exp[0]->Equation()+"\n");
6 Q$ A' b6 G1 f7 U                 }
' _- c# Q! v5 C( ^9 y          }
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