Warning

The ‘Undo’ and ‘Redo’ options acts only on action realized in the three ‘Project’. By activating the ‘Undo’ and ‘Redo’ options, I-Simpa can be slowed down. Since, these options are not essential, it is recommended to disable these options (see the ‘Settings’ of I-Simpa).

‘Undo’
Cancel the last actions (recursive option).
‘Redo’
Restore the last cancellation with ‘Undo’.