>> It does not seem I can invoke this on the main thread.
> An NSInvocation?


>> Basically I just need to use a function pointer. How does Cocoa do
>> this?
>> 
>> I need to pass either someMethod or someOtherMethod and later call
>> it with
>> 
>> [self performSelectorOnMainThread:theMethod withObject:nil
>> waitUntilDone:NO];
>> 
>> Is this normally done with NSStringFromSelector and
>> NSSelectorFromString ?
> 


Yes, I am calling this from within a thread, but it needs to run on the main
thread, thus the use of performSelectorOnMainThread



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