Re: When does changing 'Enable Access for Assistive devices' preference take effect?
Re: When does changing 'Enable Access for Assistive devices' preference take effect?
- Subject: Re: When does changing 'Enable Access for Assistive devices' preference take effect?
- From: John Louch <email@hidden>
- Date: Fri, 21 Mar 2003 13:30:41 -0800
>
>> Assuming that they are supposed to become unusable straight away, will
>
>> my
>
>> app get any observer notifications of elements being destroyed?
>
>
>
> No you won't. The UIElements aren't really destroyed, so a destroyed
>
> notification isn't quite appropriate. In fact, since accessibility has
>
> been turned off - the notification mechanism itself shouldn't be in
>
> operation anymore.
>
>
OK, can you just clarify that if I have existing UIElementRefs before the
>
pref is turned off, that those elements should become unusable from then on.
>
I also assume that it would still be acceptable to CFRelease them.
The refs are valid, the apis are not. So any call you make will result in
an error. Except for things like getting the pid from the element. You can
definitely CFRelease them.
jl
>
>
Matt
>
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---------------------------------------------
John Louch Internet #: email@hidden
(805) 546 0216
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