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date: Sun, 13 Apr 2008 07:27:47 +1000,
group: microsoft.public.platformsdk.shell
back
RE: Bug in ComboBoxEx control in Vista with themes enabled
Hello Jonathan,
Thank you very much for the example application and the very clear issue
description. I hope it did not take too much time for you to build the
example. :-)
I've tested your code and reproduced the issue that image list of combo box
does not initially show with themes enabled in my Windows Vista system, but
it shows well in Windows XP or 2003. Based on my tests, it is due to the
order of messages that are sent to the combo box control. If
CB_SETDROPPEDWIDTH is sent prior to CBEM_SETIMAGELIST, the combo box works
as expected in both Vista and XP machines. However, if CB_SETDROPPEDWIDTH
is sent afterwards, the Vista break issue appears. Therefore, a quick
workaround is to move the line
SendMessage(hWndCombo,CB_SETDROPPEDWIDTH,400,0);
in front of
SendMessage(hWndCombo, CBEM_SETIMAGELIST, 0, (LPARAM)hIL);
I am researching to see why the break issue appears in Vista that, if
CB_SETDROPPEDWIDTH is sent after CBEM_SETIMAGELIST, the image list does not
initially show up. I will get back to you as soon as possible. Thank you
again for reporting it to us.
By the way, I hope to let you know that, looking at the nature of the
issue, it is a Windows form UI issue, and it's better if we post it in
microsoft.public.win32.programmer.ui newsgroup next time, where UI experts
and community members can benefit from your findings, and share their
opinions with you. Thanks for your understanding.
Regards,
Jialiang Ge (jialge@online.microsoft.com, remove ¡®online.¡¯)
Microsoft Online Community Support
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date: Mon, 14 Apr 2008 05:44:52 GMT
author: (Jialiang Ge [MSFT])
Re: Bug in ComboBoxEx control in Vista with themes enabled
Hi,
"Jialiang Ge [MSFT]" wrote in message
news:cX6OzKfnIHA.9016@TK2MSFTNGHUB02.phx.gbl...
> Thank you very much for the example application and the very clear issue
> description. I hope it did not take too much time for you to build the
> example. :-)
No, not too long :)
> is sent afterwards, the Vista break issue appears. Therefore, a quick
> workaround is to move the line
> SendMessage(hWndCombo,CB_SETDROPPEDWIDTH,400,0);
> in front of
> SendMessage(hWndCombo, CBEM_SETIMAGELIST, 0, (LPARAM)hIL);
Yes I discovered this workaround myself soon after posting; however for
other reasons this is less than ideal (the other reasons have to do with
another bug in the underlying ComboBox control - which I will report when I
find time to write it up :)
> By the way, I hope to let you know that, looking at the nature of the
> issue, it is a Windows form UI issue, and it's better if we post it in
> microsoft.public.win32.programmer.ui newsgroup next time, where UI experts
> and community members can benefit from your findings, and share their
> opinions with you. Thanks for your understanding.
Ok. It is sometimes hard, with the hundreds of different newsgroups you
have, to know which category a posting should go into. In this case my
reasoning was that the ComboBoxEx control is one of the shell common
controls, and so the .shell newsgroup seemed appropriate. I will know better
next time!
Regards,
Jonathan Potter
date: Wed, 16 Apr 2008 08:51:14 +1000
author: Jon Potter am
Re: Bug in ComboBoxEx control in Vista with themes enabled
Hello Jon, I agree that may well be a break issue of ComboBoxEx in Windows
Vista. I am very sorry for the impact of this possible issue of our product
on yours. Since my last reply to you, I have been striking the doors of the
persons in charge of Windows controls and some developers for Windows
Vista, however, they seem busy with other issues and have not given me any
confirmation by far. I will continue striking them and update you.
I'd also suggest you submit this issue to Microsoft product feedback site
which is monitored directly by developers or product managers:
http://connect.microsoft.com/. And if you feel the issue is very critical
to your business, you may consider contacting Microsoft Customer Support
Service (CSS) where you will get a quick, effective, and efficient
assistance from a Microsoft Support Professional. Please note that if the
support professional confirm that this is indeed anissue of our product,
the CSS support incident will be free of charge.
Last but not least, Jon, I notice that you once reported several other
Vista break issues to us, e.g. ExtractIconEx. It's really very nice and
warn-hearted of you to post the priceless feedbacks to us. We are touched.
Thank you again, and once again!
Regards,
Jialiang Ge (jialge@online.microsoft.com, remove 'online.')
Microsoft Online Community Support
=================================================
Delighting our customers is our #1 priority. We welcome your comments and
suggestions about how we can improve the support we provide to you. Please
feel free to let my manager know what you think of the level of service
provided. You can send feedback directly to my manager at:
msdnmg@microsoft.com.
This posting is provided "AS IS" with no warranties, and confers no rights.
=================================================
date: Thu, 17 Apr 2008 04:10:40 GMT
author: (Jialiang Ge [MSFT])
Re: Bug in ComboBoxEx control in Vista with themes enabled
Hello Jonathan,
Sorry to have kept you waiting. The product team has confirmed the issue of
ComboBoxEx in Vista. If you feel it very critical to fix the issue, I
suggest you contact Microsoft CSS to ask for a hotfix, by contacting us at
1-(800)936-5800 or by choosing one of the options listed at
http://support.microsoft.com/common/international.aspx?rdpath=fh;en-us;cntac
tms.
The product team also mentioned the workaround of moving the line
SendMessage(hWndCombo,CB_SETDROPPEDWIDTH,400,0);
in front of
SendMessage(hWndCombo, CBEM_SETIMAGELIST, 0, (LPARAM)hIL);
If you find any followup problems, please let me know.
Again, thank you very much for the report of the Vista break issue. We
appreciate it a lot!
Regards,
Jialiang Ge (jialge@online.microsoft.com, remove 'online.')
Microsoft Online Community Support
=================================================
Delighting our customers is our #1 priority. We welcome your comments and
suggestions about how we can improve the support we provide to you. Please
feel free to let my manager know what you think of the level of service
provided. You can send feedback directly to my manager at:
msdnmg@microsoft.com.
This posting is provided "AS IS" with no warranties, and confers no rights.
=================================================
date: Thu, 24 Apr 2008 10:02:23 GMT
author: (Jialiang Ge [MSFT])
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