Re: content inside sender
Re: content inside sender
- Subject: Re: content inside sender
- From: Julian Barkway <email@hidden>
- Date: Thu, 1 Aug 2002 08:42:41 +0200
On Thursday, August 1, 2002, at 08:13 am, Chong Hiu Pun wrote:
>
I have cocoa application, with 2 buttons, button1 and button2, they both
>
attach to the send action "Dosth"
>
>
- (void) Dosth:(id)sender
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{
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}
>
>
1) Inside "Dosth", how can I find out whether button1 or button2
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trigger the
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action?
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- a) Can I use the tag method to do it? (In interface builder, set
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the tag
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value of button1 to 1, button2 to 2 )
>
- b) Or use the variable "sender" to figure it out? But how?
You use both methods. 'sender' is the object that caused the action to
be sent and will therefore (assuming it's a subclass of NSControl)
respond to the 'tag' message.
>
Thank you very much!
--
Julian Barkway,
Zurich,
Switzerland.
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