Choose Redo from the Edit menu to reverse the last change that you made by choosing Undo from the Edit menu. Alive e-Show supports multi-level undo and redo.
Ctrl+Y
Undo menu command
(PA1099R9)(1999).BIN/apps/alive/AliveEShowEval.exe/data1.cab/Help_Files/AliveEShow.chm/editredo.gif)