Read carefully:
The original poster stated: "any more text" - or are you suggesting that he
should disable the text box when a certain number of characters are reached? I
guess not.
AFAIK, the focus ring is not accessible programmatically, except form setting
it by making something the first responder.
You could use a text formatter or one of the validation methods and simply stop
accepting key strokes, change the text color to red and/or display an alert.
Am 06.10.2011 um 17:43 schrieb Thomas Davie:
> The correct way to notify a user that he can't enter text in a text box is to
> disabled it.
>
> Bob
> if (*ra4 != 0xffc78948) { return false; }
>
> On 6 Oct 2011, at 16:33, Nick wrote:
>
>> Hello
>> I am wondering if there's a way to do this, notifying the user that he can't
>> enter any more text into NSTextField edit box?
>> Is there a way to change the color of the NSTextField's focus ring to red
>> (to highlight that this is an error)?
>> How difficult would that be to implement?
>> Thank you!
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