Keyboard short-cut: Alt, E, U; Alt+BkSp.
Restores the Map Window to its appearance before the last move or delete function was executed. If nothing has been moved or deleted, this function is disabled. When enabled, the text of this menu item changes between Undo move object and Undo delete object depending on whether a move or a delete was done most recently. This function can only be used to undo the most recent action.