On 22/08/2013, at 3:42 PM, Graham Cox <graham....@bigpond.com> wrote:
> Is there is any possibility that 'self' is not what you think it is? If
> that's confused, then the proxy is simply reflecting the fact that the object
> 'self' points to doesn't respond to the selector (since its own
> -respondsToSelector: method just calls the target's).
Not that I can see. Unless...
>
>> It's called in a block using:
>>
>> [[NSOperationQueue mainQueue] addOperationWithBlock:^{
>
> Is there a good reason to do this? Adding an operation to the main queue
> doesn't really give you much. Blocks complicate things. If you can just call
> your undo manager -prepare… directly at the point where it's needed, it might
> flush out the problem, or even fix it.
The process takes a fair amount of time -- it could even be a minute or more --
so I'm doing it on a background operation queue. Only if that first part goes
fine do I update the UI with the result in an undoable fashion, using the
above. I'm not sure there's a better way.
--
Shane Stanley <sstan...@myriad-com.com.au>
'AppleScriptObjC Explored' <www.macosxautomation.com/applescript/apps/>
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