On 25 Sep 2011, at 09:01, Kyle Sluder wrote:
> Look up discardable actions in the NSUndoManager reference.
Thank you very much. This was exactly what I was looking for.
Kind regards,
Gerriet.
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The underlying open() system call can open documents read-only. See
man 2 open. Does Cocoa have a way to specify read-only document open
that passes the right flag to open()?
--
Don Quixote de la Mancha
quix...@dulcineatech.com
Custom Software Development for the iPhone and Mac OS X
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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" 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 al
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)
