<> <> <> DA.cm run -a EU2UtilsImpl run -a EU2ArithImpl run -a EU2LeafUtilsImpl run -a EU2ControlAlpsImpl _ EU2Utils.useDPControlCheckpoint _ FALSE date _ &ct _ EU2ControlAlps.CreateDPControl[] date _ &ob _ PWCore.Layout[&ct] date _ LayoutCheckpoint.Store[&ct, TRUE] Sleep 100 Rollbackand CD; LayoutControl