addDynamicProperty anyToBool anyToDouble anyToString delegateName documentObjectCreating documentObjectExecute documentObjectIsBeingDestructed DocumentObjectObserverDelegate documentObjectOnChange getDocumentObject getDynamicPoperty getViewProviderDelegateName getViewProviderName hasDynamicPropertyByGivingName m_pDocObj setDocumentObject ~DocumentObjectObserverDelegate

documentObjectIsBeingDestructed() virtual void documentObjectIsBeingDestructed ( ) virtual 文档对象即将析构时回调 在 App::IDocumentObject 析构前触发，可执行资源清理或提示。