Re: Counting children of menubar
Re: Counting children of menubar
- Subject: Re: Counting children of menubar
- From: Guy Fullerton <email@hidden>
- Date: Tue, 05 Nov 2002 10:42:32 -0800
On 11/5/02 3:44 AM, "Bill Cheeseman" <email@hidden> wrote:
>
The only other problem I experienced may be one of documentation rather than
>
code. I'm not sure which AXError code I should expect to see in various
>
specific situations, so I'm not clear on how best to use them. The only
>
example I have for you is my need to bullet-proof the getting of an
>
attribute's value. The problem is that (1) a particular UIElement might not
>
implement a particular attribute, but (2) it might implement the attribute
>
but not provide a value for it (or not all the time). For example, the
>
horizontal scrollbar attribute of a browser apparently exists as an
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attribute even though it doesn't have a value if the particular browser
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doesn't have its horizontal scrollbar turned on. In such a case, is the
>
expected error kAXErrorNoValue, kAXErrorNotImplemented, or
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kAXErrorAttributeUnsupported? In scenario (1) I would expect
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kAXErrorAttributeUnsupported, but kAXErrorNotImplemented would make equally
>
good sense -- what's the difference between them? In scenario (2) I would
>
expect kAXErrorNoValue, but that's not what I got (I've forgotten for which
>
UIElement and attribute).
Please write up a bug; we can certainly make the documentation better.
Off the top of my head, I don't even remember which error codes are supposed
to cover which cases.
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