Well discussed here:

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

m.

On Jan 22, 2013, at 1:29 AM, cocoa-dev-requ...@lists.apple.com wrote:

> Date: Mon, 21 Jan 2013 15:20:44 -0500
> From: Rick Aurbach <r...@aurbach.com>
> To: "cocoa-dev@lists.apple.com" <cocoa-dev@lists.apple.com>
> Subject: How can I get rid of this warning message?

> I am attempting to use the RTPTimer wrapper that Gordon Apple contributed to 
> this list. (Thanks, Gordon!)
> 
> It appears to work great, but I find that the class's executeSelector: method 
> generates a warning message.
> 
>> - (void) executeSelector:(NSTimer*)timer {
>>   if(self.target != nil) {
>>       if([self.target respondsToSelector:self.sel]) 
>>           [self.target performSelector:self.sel withObject:self];
>>   }
>>   else
>>       [self invalidate];
>> }
> 
> where sel is defined as @property(nonatomic) SEL sel;
> 
> The line containing the performSelector:withObject: method generates
> "PerformSelector may cause a leak because its selector is unknown".

--
matt neuburg, phd = m...@tidbits.com, http://www.apeth.net/matt/
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