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刚才看到有群友问，就写了一下，做个笔记。

NX11+VS2013


//NX11_NXOpenCPP_Wizard9

// Mandatory UF Includes
#include <uf.h>
#include <uf_object_types.h>

// Internal Includes
#include <NXOpen/ListingWindow.hxx>
#include <NXOpen/NXMessageBox.hxx>
#include <NXOpen/UI.hxx>

// Internal+External Includes
#include <NXOpen/Annotations.hxx>
#include <NXOpen/Assemblies_Component.hxx>
#include <NXOpen/Assemblies_ComponentAssembly.hxx>
#include <NXOpen/Body.hxx>
#include <NXOpen/BodyCollection.hxx>
#include <NXOpen/Face.hxx>
#include <NXOpen/Line.hxx>
#include <NXOpen/NXException.hxx>
#include <NXOpen/NXObject.hxx>
#include <NXOpen/Part.hxx>
#include <NXOpen/PartCollection.hxx>
#include <NXOpen/Session.hxx>
#include <uf_defs.h>
#include <NXOpen/NXException.hxx>
#include <NXOpen/Session.hxx>
#include <NXOpen/BasePart.hxx>
#include <NXOpen/Builder.hxx>
#include <NXOpen/CurveDumbRule.hxx>
#include <NXOpen/DisplayableObject.hxx>
#include <NXOpen/Expression.hxx>
#include <NXOpen/ExpressionCollection.hxx>
#include <NXOpen/Face.hxx>
#include <NXOpen/Features_AssociativeLine.hxx>
#include <NXOpen/Features_FeatureCollection.hxx>
#include <NXOpen/Features_PointSetBuilder.hxx>
#include <NXOpen/Features_PointSetFacePercentageBuilder.hxx>
#include <NXOpen/Features_PointSetFacePercentageBuilderList.hxx>
#include <NXOpen/IBaseCurve.hxx>
#include <NXOpen/Line.hxx>
#include <NXOpen/NXObject.hxx>
#include <NXOpen/NXObjectList.hxx>
#include <NXOpen/ObjectList.hxx>
#include <NXOpen/Part.hxx>
#include <NXOpen/PartCollection.hxx>
#include <NXOpen/Point.hxx>
#include <NXOpen/PointList.hxx>
#include <NXOpen/ScCollector.hxx>
#include <NXOpen/ScRuleFactory.hxx>
#include <NXOpen/Section.hxx>
#include <NXOpen/SelectDisplayableObjectList.hxx>
#include <NXOpen/SelectFace.hxx>
#include <NXOpen/SelectObject.hxx>
#include <NXOpen/SelectionIntentRule.hxx>
#include <NXOpen/Session.hxx>
#include <NXOpen/TaggedObject.hxx>
#include <NXOpen/Unit.hxx>


#include <NXOpen/NXObjectManager.hxx>
#include <NXOpen/Features_PointSet.hxx>
// Std C++ Includes
#include <iostream>
#include <sstream>

using namespace NXOpen;
using std::string;
using std::exception;
using std::stringstream;
using std::endl;
using std::cout;
using std::cerr;


//------------------------------------------------------------------------------
// NXOpen c++ test class 
//------------------------------------------------------------------------------
class MyClass
{
    // class members
public:
    static Session *theSession;
    static UI *theUI;

    MyClass();
    ~MyClass();

    void do_it();
    void print(const NXString &);
    void print(const string &);
    void print(const char*);

private:
    Part *workPart, *displayPart;
    NXMessageBox *mb;
    ListingWindow *lw;
    LogFile *lf;
};

//------------------------------------------------------------------------------
// Initialize static variables
//------------------------------------------------------------------------------
Session *(MyClass::theSession) = NULL;
UI *(MyClass::theUI) = NULL;

//------------------------------------------------------------------------------
// Constructor 
//------------------------------------------------------------------------------
MyClass::MyClass()
{

    // Initialize the NX Open C++ API environment
    MyClass::theSession = NXOpen::Session::GetSession();
    MyClass::theUI = UI::GetUI();
    mb = theUI->NXMessageBox();
    lw = theSession->ListingWindow();
    lf = theSession->LogFile();

    workPart = theSession->Parts()->Work();
    displayPart = theSession->Parts()->Display();
    
}

//------------------------------------------------------------------------------
// Destructor
//------------------------------------------------------------------------------
MyClass::~MyClass()
{
}

//------------------------------------------------------------------------------
// Print string to listing window or stdout
//------------------------------------------------------------------------------
void MyClass::print(const NXString &msg)
{
    if(! lw->IsOpen() ) lw->Open();
    lw->WriteLine(msg);
}
void MyClass::print(const string &msg)
{
    if(! lw->IsOpen() ) lw->Open();
    lw->WriteLine(msg);
}
void MyClass::print(const char * msg)
{
    if(! lw->IsOpen() ) lw->Open();
    lw->WriteLine(msg);
}




//------------------------------------------------------------------------------
// Do something
//------------------------------------------------------------------------------
void MyClass::do_it()
{

    // TODO: add your code here
    
    //录制创建点集(随便录得,这个不重要,使用者自己重新录)
    NXOpen::Features::PointSet *nullNXOpen_Features_PointSet(NULL);
    NXOpen::Features::PointSetBuilder *pointSetBuilder1;
    pointSetBuilder1 = workPart->Features()->CreatePointSetBuilder(nullNXOpen_Features_PointSet);

    std::vector<NXOpen::IBaseCurve *> curves1(1);
    NXOpen::Line *line1(dynamic_cast<NXOpen::Line *>(NXObjectManager::Get(44473)));//直线tag
    curves1[0] = line1;
    NXOpen::CurveDumbRule *curveDumbRule1;
    curveDumbRule1 = workPart->ScRuleFactory()->CreateRuleBaseCurveDumb(curves1);

    pointSetBuilder1->SingleCurveOrEdgeCollector()->AllowSelfIntersection(true);

    std::vector<NXOpen::SelectionIntentRule *> rules1(1);
    rules1[0] = curveDumbRule1;
    NXOpen::NXObject *nullNXOpen_NXObject(NULL);
    NXOpen::Point3d helpPoint1(0, 0, 0);
    pointSetBuilder1->SingleCurveOrEdgeCollector()->AddToSection(rules1, line1, nullNXOpen_NXObject, nullNXOpen_NXObject, helpPoint1, NXOpen::Section::ModeCreate, false);

    pointSetBuilder1->NumberOfPointsExpression()->SetRightHandSide("20");
    NXOpen::NXObject *nXObject1;
    nXObject1 = pointSetBuilder1->Commit();
    pointSetBuilder1->Destroy();


    //转换
    NXOpen::Features::PointSet *pointSet1(dynamic_cast<NXOpen::Features::PointSet *>(NXOpen::NXObjectManager::Get(nXObject1->Tag())));
    std::vector<NXOpen::Point*> points = pointSet1->GetPoints();

    //打印点坐标
    theSession->ListingWindow()->Open();
    for (int i = 0; i < points.size(); i++)
    {
        //打印tag
        char msg[256];
        sprintf(msg, "点坐标:X=%f,Y=%f,Z=%f\n", points[i]->Coordinates().X, points[i]->Coordinates().Y, points[i]->Coordinates().Z);
        theSession->ListingWindow()->WriteLine(msg);
    }

}

//------------------------------------------------------------------------------
// Entry point(s) for unmanaged internal NXOpen C/C++ programs
//------------------------------------------------------------------------------
//  Explicit Execution
extern "C" DllExport void ufusr( char *parm, int *returnCode, int rlen )
{
    try
    {
        // Create NXOpen C++ class instance
        MyClass *theMyClass;
        theMyClass = new MyClass();
        theMyClass->do_it();
        delete theMyClass;
    }
    catch (const NXException& e1)
    {
        UI::GetUI()->NXMessageBox()->Show("NXException", NXOpen::NXMessageBox::DialogTypeError, e1.Message());
    }
    catch (const exception& e2)
    {
        UI::GetUI()->NXMessageBox()->Show("Exception", NXOpen::NXMessageBox::DialogTypeError, e2.what());
    }
    catch (...)
    {
        UI::GetUI()->NXMessageBox()->Show("Exception", NXOpen::NXMessageBox::DialogTypeError, "Unknown Exception.");
    }
}


//------------------------------------------------------------------------------
// Unload Handler
//------------------------------------------------------------------------------
extern "C" DllExport int ufusr_ask_unload()
{
    return (int)NXOpen::Session::LibraryUnloadOptionImmediately;
}


阿飞
2021年9月9日

阿飞

2021年9月9日

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来源： https://www.cnblogs.com/nxopen2018/p/15248024.html

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