On Mar 23, 2012, at 3:32 PM, Jan E. Schotsman wrote: > I use KVO for this. Have your main thread observe the state variables > (declared as properties) and update the GUI in your > observeValueForKeyPath:ofObject:change:context: method.
That’s just going to call observeValue… on whatever thread the model state property changed on, not on the main thread. Which is exactly what the OP is asking how to avoid. I don’t have an easy answer, other than implementing an observeValue… method that uses performSelector:onThread: to defer the real work to the main thread. —Jens
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