_removeObject abortTransaction addChildDocument addObject addObject afterRestore afterRestore commitTransaction create create deleteIDocument deleteSubPartOrProduct exportGraphviz exportObjects getAllDocument getAvailableRedoNames getAvailableRedos getAvailableUndos getDependentDocuments getDocCategory getDocumentByDocCategory getDocumentById getDocumentByName getDocumentId getDocumentObjects getDocumentObjectsHasName getDocumentType getErrorDescription getFileName getId getLinksTo getLocalPlacement getName getObject getObjectById getObserverDelegate getParentDocument getParentDocumentByType getPartMaps getPlacement getProgramVersion getPropertyAccessor getRefCount getRootDocument getRootObjects getSubDocument getTemplateDirName getTransactionID getTransientDirectoryName getUniqueObjectName hasPendingTransaction importFile importLinks isClosable isPerformingTransaction isSaved isTransactionEmpty loadFile locateObjs moveObject openTransaction paramterNewObject purgeTouched recomputeDocument removeAllObjects removeChildDocument removeObject save saveAs setActiveIDocument setDocCategory setDocumentLabel setDocumentName setFileName setId setLocalPlacement setObserverDelegate setPlacement setRootIDocument setUndoMode topologicalSort ~IDocument

getParentDocument() virtual App::IDocument * getParentDocument ( ) pure virtual 返回文档的父文档 返回文档的父文档 返回 返回类型为Document的指针，指向之前设置的父文档