Re: Unimplemented Selector Warning 3
Re: Unimplemented Selector Warning 3
- Subject: Re: Unimplemented Selector Warning 3
- From: Keary Suska <email@hidden>
- Date: Tue, 21 Aug 2012 08:57:06 -0600
On Aug 21, 2012, at 12:18 AM, Gerriet M. Denkmann wrote:
> I messed around with my Build Settings - activating more warnings. (Almost) always a good idea.
>
> I have:
> NSView *someSubclassOfView = ....;
> if ( [ someSubclassOfView respondsToSelector: @selector(getRow:column:forPoint:) ] )
> {
> // this is a browser or a matrix or something else
> // do something...
> }
>
> And get a warning: "Unimplemented selector 'getRow:column:forPoint:'".
>
> Same problem with:
> #import "Server.h" // declares: - (void) reset;
> [ currentServers makeObjectsPerformSelector: @selector(reset) ];
>
> And:
> #import "SomeClass.h" // declares: - (void) someMethod: something;
> SomeClass *someClass = ...;
> [ someClass performSelectorOnMainThread: @selector(someMethod:) withObject: nil waitUntilDone: NO ];
>
> What do I have to do to get rid of these warnings?
Do you import the "someSubclassOfView" header?
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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