Look up discardable actions in the NSUndoManager reference. --Kyle Sluder (Sent from the road)
On Sep 24, 2011, at 6:57 PM, "Gerriet M. Denkmann" <[email protected]> wrote: > I have a document based app which can change the appearance of it's documents > (which changes do *not* alter the disk representation at all), > and also make real changes of the data. > > Both kind of actions are un-doable. > > The problem: > When I open some old document (without any intention to change it) just > intending to play around with different appearances of it, then Lion tells me > that I have to unlock the file. > > How can I tell Lion (or the DocumentController or whatever) that some changes > do not affect the disk representation? > > Well, I can just unlock the file; but it would be much nicer, if the "Do you > want to unlock"-dialog came up only if I attempted some real change of the > document. > > Kind regards, > > Gerriet. > > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/kyle.sluder%40gmail.com > > This email sent to [email protected] _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
