如果我已经为它绑定(bind)了集合，我该如何添加RibbonLibrary默认的快速访问项容器。当我从UI添加快速访问工具项时，它会抛出OperationisnotvalidwhileItemSourceisinuseinuse。ObservableCollection_MenuItems;ObservableCollection_QuickMenuItems;publicObservableCollectionMenuItems{get{return_MenuItems;}}publicObservableCollectionQuickMenuItems{get{return_Qu