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Re: commitEditing and unrecognized selector

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Re: commitEditing and unrecognized selector

Subject: Re: commitEditing and unrecognized selector
From: Graham Cox <email@hidden>
Date: Wed, 10 Dec 2008 11:01:42 +1100


On 10 Dec 2008, at 10:53 am, Chris Idou wrote:

I've got a modal dialog with a couple of NSTextFields. Changes weren't getting saved, so I thought I'd better call commitEditing on the text field before retrieving its value with stringValue.

But when I call commitEditing on the NSTextField it gives the error: -[NSTextField commitEditing]: unrecognized selector sent to instance

But there are no warnings from the compiler that commitEditing is an invalid method.

What am I doing wrong?

Call -validateEditing instead, that should do what you want.

You don't get a warning because -commitEditing is implemented as a category on NSObject, which means that NSTextField does effectively implement it. It's just that -commitEditing is not the same as - validateEditing.

hth,

Graham


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  >commitEditing and unrecognized selector (From: Chris Idou <email@hidden>)




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