I've looked through my email archives and have seen plenty of discussion about
the undo history level not being permanently set by script. What I do not see
is a solution to temporarily setting the undo history via script.
In 2013_SP1 I can read the undo history value via scripting just fine, but I
cannot set the undo history level as all of these techniques fail silently:
var HistoryLevel = 0;
Application.Preferences.SetPreferenceValue( "General.undo",
HistoryLevel );
SetValue( "preferences.General.undo", HistoryLevel );
SetUserPref( "General.undo", HistoryLevel );
While I never rely on setting undo history for tools, I have one rare exception
where it's required to work around a problem - animation import. We have many
very large animation files which must be imported into the scene, and by
necessity we're still running 32-bit Softimage. When we import these large
animation files the undo history buffer overflows and causes Softimage to crash
from running out of memory. The only available workaround has been to set undo
history to zero, import the files, then restore undo history to it's previous
value.
Any ideas how to set undo history from script?
Matt
