How to delete an Undo group?

3. an AEGP can monitor the undo command using the command hook.

when triggered, you can check if your operation is being undone and do

something.

HOWEVER, i have tried that in the past, and ae DID NOT like it. the

inteference worked, but ae became... zombie-ish afterwards... i guess some

processes assumed the undo was successful and jamming this process caused

all hell to break loose.

hi Yuri.

there's no way to "invalidate" the operations so that the user can't "undo".

i can think of a hack or two...

1. there used to be a setting in the preferences for how many undo levels

will be available.

perhaps setting changing this value to 0 and then back up would delete all

entries... however i don't see the preference anymore.

perhaps it was dropped at some point, or i need to set an appointment with

a neurologist...

2. you can crate a TON of empty undo groups (or that don't do anything

important), so you eventually push the groups you wanted to invalidate out

of availability.

it would be a bit messy though...