_pAttachObject addExtensionSection canDelete claimChildren delegateName doubleClicked finishRestoring getAttachIDocumentObject getMDIView getViewProvider hide m_pViewProviewr setAttach setViewProvider show viewProviderCreating viewProviderIsBeingDestructed ViewProviderObserverDelegate viewProviderOnChange ~ViewProviderObserverDelegate

_pAttachObject App::IDocumentObject* _pAttachObject protected 当前附加的文档对象指针