Re: Controls won't get resized in deep window hierarchies

Others hitting the same issue, with some more tech details:

http://yuo.be/wiki/columns_ui:faqs

(last question)

On Tue, Apr 21, 2009 at 11:42 AM, Catalin Rotaru
<[email protected]> wrote:
> No, it's Vista 64 only. Can't reproduce on 32-bit Vista. SetPoint
> seems to cause the issue though.
>
> On Tue, Apr 21, 2009 at 11:28 AM, Catalin Rotaru
> <[email protected]> wrote:
>> Oh! I found the culprit: SetPoint software from Logitech. When it's
>> stopped, everything is fine. When it is started, the problem shows up,
>> even on a 32-bit Vista.
>>
>> This is stranger now, I can't even fathom the interactions. The
>> question is how can I change my application to make sure it works even
>> with Setpoint active...
>>
>> Tue, Apr 21, 2009 at 10:29 AM, Catalin Rotaru <[email protected]> wrote:
>>> Hi Nenad,
>>>
>>> My window hierarchy is only 8 levels deep. There are tens of sibling
>>> windows (controls) on each level, but I don't know if that has any
>>> influence on the result. Stack size is system default.
>>>
>>> The problem has only appeared so far on a few Vista 64 computers (not
>>> all of them) and never on 32-bit OSs (Vista or XP).
>>>
>>> If you want, I can run your test app and let you know if I can
>>> reproduce the problem.
>>>
>>> Thanks for the custom message idea - I'll give it a try.
>>>
>>> All the best,
>>> Cata
>>>
>>> On Sun, Apr 19, 2009 at 1:33 PM, Nenad Stefanovic <[email protected]> wrote:
>>>>
>>>>
>>>> This is pretty strange problem. Based on the description, it seems to me
>>>> that it is related to the stack size.
>>>>
>>>> Just for fun, I tried that on Vista 32-bit - I was able to get ~30 levels
>>>> deep. I was also able to go much further by posting a custom message on
>>>> 20-th level, and in handler for that message do the same as WM_SIZE handler
>>>> would do. So, you can do the same - you'll need to change some of the
>>>> classes that you have.
>>>>
>>>> Now, after saying all this, I have to note that if you have more than 15
>>>> level deep hierarchy, you should consider redesigning your app. I know that
>>>> splitters, panes, etc. can easily add depth levels, but over 15 sounds a bit
>>>> extreme.
>>>>
>>>> Cheers,
>>>>
>>>> Nenad
>>>>
>>>> From: [email protected] [mailto:[email protected]] On Behalf Of Catalin
>>>> Rotaru
>>>> Sent: Thursday, April 16, 2009 1:35 PM
>>>> To: [email protected]
>>>> Subject: [wtl] Controls won't get resized in deep window hierarchies
>>>>
>>>> We have an application with a complex hierarchy of Splitters, Pannels
>>>> and Resizable dialog-views. Recently we noticed that on 64-bit Vista
>>>> resizing the main frame would fail to resize the inner-most windows or
>>>> controls.
>>>>
>>>> A bit of research got me to this:
>>>>
>>>> http://blogs.msdn.com/alejacma/archive/2008/11/20/controls-won-t-get-resized
>>>> -once-the-nesting-hierarchy-of-windows-exceeds-a-certain-depth-x64.aspx
>>>>
>>>> Turns out that recursive calls WM_SIZE must not exceed a certain depth
>>>> which on x64 is not very large.
>>>>
>>>> It's a known bug. An awful one. Yet another reason to make me want to
>>>> switch to a HWND-free framework, and to never have to deal with the
>>>> problems and limitations Microsoft has in Windows' controls.
>>>>
>>>> Anyway, the question is now: what to do? Anybody had encountered this
>>>> problem before? Suggestions of a workaround? I can't exactly change my
>>>> hierarchy thus I need a way to deliver the WM_SIZE messages
>>>> non-recursively. But they are triggered by main frame resizes and the
>>>> recursive calls are in CDialogResize, Splitter and Panel. So I am at a
>>>> loss.
>>>>
>>>> Any suggestions are GREATLY appreciated.
>>>>
>>>> Thanks,
>>>> Cata
>>>>
>>>
>>


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