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用操作记录录制的代码，在复制到新建项目的可以正常运行，和UI界面结合的时候有一行代码报错，麻烦指点一下

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

    std::vector<CAM::CAMObject *> objectsToBeBuffered1(1);
    UI *theUI = UI::GetUI();

    objectsToBeBuffered1[0] = dynamic_cast<CAM::NCGroup *>(theUI->SelectionManager()->GetSelectedObject(0));
    workPart->CAMSetup()->BufferObjects(CAM::CAMSetup::ViewProgramOrder,objectsToBeBuffered1);	//这一条代码报错 "an invalid tag was passed to the tag module"谷歌翻译是“无效的标签已传递到标签模块”
	

    std::vector<CAM::CAMObject *> objectsToBeMoved1(1);
    objectsToBeMoved1[0] = dynamic_cast<CAM::NCGroup *>(theUI->SelectionManager()->GetSelectedObject(0));
    std::vector<CAM::CAMObject *> newObjects1;
    newObjects1 = workPart->CAMSetup()->CopyObjects(CAM::CAMSetup::ViewProgramOrder, objectsToBeMoved1, dynamic_cast<CAM::NCGroup *>(theUI->SelectionManager()->GetSelectedObject(0)), CAM::CAMSetup::PasteAfter);
    

    std::vector<CAM::CAMObject *> objectsToBeMoved2(1);
    objectsToBeMoved2[0] = dynamic_cast<CAM::NCGroup *>(theUI->SelectionManager()->GetSelectedObject(0));
    CAM::NCGroup *nCGroup1(dynamic_cast<CAM::NCGroup *>(newObjects1[0]));
    std::vector<CAM::CAMObject *> newObjects2;
    newObjects2 = workPart->CAMSetup()->CopyObjects(CAM::CAMSetup::ViewProgramOrder, objectsToBeMoved2, nCGroup1, CAM::CAMSetup::PasteAfter);			

用下面的新建项目的代码可以达到预期的效果，但是复制到UI界面编辑器生成的代码中就报错