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Unimplemented Selector Warning 3
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Unimplemented Selector Warning 3


  • Subject: Unimplemented Selector Warning 3
  • From: "Gerriet M. Denkmann" <email@hidden>
  • Date: Tue, 21 Aug 2012 13:18:04 +0700

(I hope you don't see this more than once - some problems with Mail)


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?

This is 10.8. It does not use Arc.

Gerriet.


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