> On Sep 28, 2009, at 18:11, Kyle Sluder wrote:
>
>> On Mon, Sep 28, 2009 at 6:02 PM, Timothy Reaves
>> <trea...@silverfieldstech.com> wrote:
>>>     Well, I was hoping to bind buttons enabled property.  If I use a
>>> regular NSArray backed controller this works.  And you can't bind (at
>>> least I don't know how) with selectedObjects.  But you can with
>>> selection, and an NSNotNil value transformer.
>>
>> What makes you think that you can't bind to selectedObjects?
>>
>> Also, have you tried comparing the selection proxy to
>> NSNoSelectionMarker?
>>
>> --Kyle Sluder
>
> I may have missed something earlier in the thread, but the standard
> "canRemove" property amounts (for an array controller) pretty much to
> "is anything selected?" It's not a ridiculous choice for a binding to
> control other button enable states, even though I guess there's a
> semantic difference.
>
> Perhaps there's a valid reason not to conflate the two, but it's just
> a suggestion.
>
> FWIW
>
>

Oohh... good idea.  I didn't know that about canRemove:  Thanks.

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