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

getViewProvider() IViewProvider * getViewProvider ( ) 获取视图提供者 返回 当前关联的视图提供者指针