Re: Using @selector()
Re: Using @selector()
- Subject: Re: Using @selector()
- From: "Christian Giordano" <email@hidden>
- Date: Sat, 9 Aug 2008 10:23:35 +0100
yep, it works with that :)
I presume it is an error in the book. Personally I thought that
passing the method not as string it would have recognized the scope
(target) automatically.
Thanks a lot, chr
On Sat, Aug 9, 2008 at 9:45 AM, Jean-Daniel Dupas
<email@hidden> wrote:
>
> Le 9 août 08 à 10:34, Christian Giordano a écrit :
>
>> Hi guys, I'm a newbie and I'm reading a book which shows the two
>> different option to link programmatically a control to an action:
>>
>> SEL mySelector;
>> mySelector = @selector(methodName:);
>> [myButton setAction:mySelector];
>>
>> OR
>>
>> SEL mySelector;
>> mySelector = NSSelectorFromString(@"methodName:");
>> [myButton setTarget:someObjectWithTheMethod];
>> [myButton setAction:mySelector];
>>
>> On my test, the first syntax doesn't seem to work. This is my
>> implementation.
>>
>> - (void)awakeFromNib
>> {
>> NSLog(@"awakeFromNib");
>> SEL mySelector;
>> mySelector = @selector(sayIt:);
>> [sayItButton setAction:mySelector];
>> }
>>
>> If I do the other syntax:
>>
>> - (void)awakeFromNib
>> {
>> NSLog(@"awakeFromNib");
>> SEL mySelector;
>> mySelector = NSSelectorFromString(@"sayIt:");
>> [sayItButton setTarget:self];
>> [sayItButton setAction:mySelector];
>> }
>>
>> Works. The sayIt method is in the same class than the awakeFromNib of
>> course. Any ideas?
>>
>
> Why you do not set the target in the first method ?
>
>
>
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