void twb_xd_std::set_attr( std::vector<NXOpen::NXObject *> objects , string attr_category,  string attr_title ,  string attr_value )

{ 　　NXOpen::Session *theSession = NXOpen::Session::GetSession(); 　　NXOpen::Part *workPart(theSession->Parts()->Work()); 　　NXOpen::Part *displayPart(theSession->Parts()->Display());   　　NXOpen::AttributePropertiesBuilder *attributePropertiesBuilder1; 　　attributePropertiesBuilder1 = theSession->AttributeManager()->CreateAttributePropertiesBuilder(workPart, objects, NXOpen::AttributePropertiesBuilder::OperationTypeNone); 　　//设置属性 　　attributePropertiesBuilder1->SetCategory(attr_category.c_str());//类别 　　attributePropertiesBuilder1->SetTitle(attr_title.c_str());//标题 　　attributePropertiesBuilder1->SetStringValue(attr_value.c_str());//值   　　attributePropertiesBuilder1->Commit();//执行 　　attributePropertiesBuilder1->Destroy();//销毁   }