On 07/10/2009, at 9:14 PM, Rui Pacheco wrote:
So, were the data source methods available before 10.6 (I want my
app to run
on 10.5) and the data source reference is wrong or was the
conceptual page
for the combo box updated but not the revision date? Did anyone used
the
data source methods before 10.6?
What changed was that the previously informal protocol became a formal
protocol in 10.6
Unfortunately the docs suggest that the methods are new in 10.6, which
strictly speaking is true - they are new to the formal protocol in
10.6, but they previously existed as an informal protocol prior to
that. What's unfortunate is that the information about what versions
introduced what methods is lost, and it's not possible to tell what is
truly new, or what can be relied on in prior versions. I've been
meaning to file a bug on this for a while, and you should too - the
more the merrier!
The problem is really bad for protocols that add numerous truly new
methods, but not too bad for those that don't. I think
NSComboBoxDataSource is not too badly affected, but the only way to
know for sure is to have some knowledge/memory/a copy of earlier
documentation, which is useless for newbies (and those of use whose
memories would rather not accrete that sort of knowledge) wanting to
target < 10.6
--Graham
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