Undo_Undo
Performs an UNDO
ACTION.
| Syntax: | imaG.Undo_Undo |
| Returns: | (empty) |
This method has to be set AFTER an Undo_Query method.
If the imaG is in TEST MODE, this method is not effective.
See The Undo Buffer , UndAdd , UndoAddPalette , UndoQuery , UndoRedo