NX11+VS2013

 #include <NXOpen/DisplayManager.hxx>  
 #include <NXOpen/Body.hxx>  
 #include <NXOpen/BodyCollection.hxx>  
 #include <NXOpen/NXException.hxx>  
 #include <NXOpen/NXObject.hxx>  
 #include <NXOpen/Part.hxx>  
 #include <NXOpen/PartCollection.hxx>

 NXOpen::Session \*theSession = NXOpen::Session::GetSession();  
 NXOpen::Part \*workPart(theSession->Parts()->Work());  
 NXOpen::Part \*displayPart(theSession->Parts()->Display());

 std::vector<tag\_t> BodyVecotor;  
 NXOpen::Body \*WorkBody;  
 NXOpen::BodyCollection \*Bodys = workPart->Bodies();  
 NXOpen::BodyCollection::iterator Ite = Bodys->begin();  
 for (; Ite != Bodys->end(); ++Ite)  
 {  
     WorkBody = (\*Ite);  
     BodyVecotor.push\_back(WorkBody->Tag());

     NXOpen::DisplayModification \*displayModification1;  
     displayModification1 = theSession->DisplayManager()->NewDisplayModification();  
     displayModification1->SetNewColor();  
     std::vector<NXOpen::DisplayableObject \*> objects1();  
     NXOpen::Body \*body1(dynamic\_cast<NXOpen::Body \*>(workPart->Bodies()->FindObject(WorkBody->JournalIdentifier())));  
     objects1\[\] = body1;  
     displayModification1->Apply(objects1);  
 }

 char msg\[\];  
 sprintf\_s(msg, "当前有%d个体", BodyVecotor.size());  
 lw->Open();  
 lw->WriteLine(msg);