Re: CFileDialog problem

From:
"Alexander Grigoriev" <alegr@earthlink.net>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 29 May 2007 20:48:09 -0700
Message-ID:
<e#MHe5moHHA.4188@TK2MSFTNGP02.phx.gbl>
Common dialogs (and shel functions in general) don't work well with
MULTITHREADED COM apartment model. This is a known limitation.

<rreuter@gmx.net> wrote in message
news:1180439209.664605.39280@h2g2000hsg.googlegroups.com...

On 25 Mai, 15:10, Joseph M. Newcomer <newco...@flounder.com> wrote:

I never thought it was an MFC problem.
                                joe

On 25 May 2007 02:06:05 -0700, rreu...@gmx.net wrote:

None of your proposals solves the problem. Thx for your tips, Joseph.
This is strange too: The refresh button (right mouse click into the
dialog box) is useless, but creating a folder works (and it is
displayed, only this one). When clicking into this new folder and then
going back, the other files are shown again! A wild guess is that this
has nothing to do with MFC rather than it is a winxp problem???

Roland


Joseph M. Newcomer [MVP]
email: newco...@flounder.com
Web:http://www.flounder.com
MVP Tips:http://www.flounder.com/mvp_tips.htm


Now I found the cause: After calling this
HRESULT res = CoInitializeEx(NULL,COINIT_MULTITHREADED);
the filter function in a subsequent CFileDialog fails (whatever reason
for).

Calling CFileDialog in an extra thread solves it.

Roland.

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