[MSCE C++]Fence获取参考文件元素

此帖

如何遍历模型包括外部引用在内的所有元素 - 技术资料库 - Bentley 中国优先社区 - Bentley Communities

使用的是mdlfence函数,但是我用的是fencemanager,fence范围正确,但是只返回的当前模型的元素,代码见下

FenceManagerR manager = FenceManager::GetManager();
ViewportP   vpActive = IViewManager::GetActiveViewSet().GetSelectedViewport();
manager.DefineByPoints(&pts[0], 5, vpActive);//pts为测试点

FenceParamsP fenceParams = FenceParams::Create(ACTIVEMODEL);
fenceParams->SetClipMode(FenceClipMode::None);
fenceParams->SetOverlapMode(true);
fenceParams->SetLocateInteriors(LocateSurfacesPref::Always);
manager.InitFromActiveFence(*fenceParams, true, false, FenceClipMode::None);

DgnModelRefList  searchList;
for (const DgnModelRefP& modelP : models)//models 包含当前model和参考文件里的model
searchList.push_back(modelP);

ElementAgenda agenda;
manager.BuildAgenda(*fenceParams, agenda, &searchList, false, false, false);
FenceParams::Delete(fenceParams);

请问哪里需要改进?