Re: EnableWindow() problem

From:
Theo Landman <tlandman_NO_SPAM@justcroft_NO_SPAM.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 19 Jun 2007 14:51:58 +0200
Message-ID:
<uRyvTCnsHHA.2268@TK2MSFTNGP05.phx.gbl>
AnRil schreef:

Dnia 19-06-2007 o 13:52:42 Theo Landman
<tlandman_NO_SPAM@justcroft_NO_SPAM.com> napisa?(a):

AnRil schreef:

Dnia 19-06-2007 o 11:33:35 Theo Landman
<tlandman_NO_SPAM@justcroft_NO_SPAM.com> napisa?(a):

Hello,

I have trouble with AfxGetMainWnd()->EnableWindow() at least on
Windows XP. Not tested this . My main application needs to run
another GUI program and while this program run should not be
accessible for user input. In order to do this I call
AfxGetMainWnd()->EnableWindow(FALSE); Start the GUI program Then use
a bit of code to wait for the GUI to finish. See snippet below:
  HANDLE aHandles[2];
  aHandles[0] = GetCurrentProcess();
  aHandles[1] = hGUI;
  do
  {
     DWORD dwResult = ::MsgWaitForMultipleObjects(2, aHandles,
           FALSE, INFINITE, QS_ALLEVENTS);
     if ( !prcGUI.IsRunning() )
    break;
  } while ( AfxGetThread()->PumpMessage() );

However, when the GUI program stops my main application won't get
the focus automatically again after I call
AfxGetMainWnd()->EnableWindow(TRUE); The application behaves as
being minimized and I have to explicitly click on the program icon
in the desktop bar to bring it back up.
I tried different combinations of SetActiveWindow(),
SetForegroundWindow(), BringWindowToTop() and SetFocus() but nothing
happens.
If I don't use EnableWindow() this problem does not occur.
So in short how to force my application back to the foreground?

Any help appreciated,
Theo

 I think you should check if the window you have in the first return
of AfxGetMainWnd() is the same window as in the second time. If you
have a variable of your CWinApp derived class, (like CSampleApp
theApp), try theApp.GetMainWnd().


Hello AnRil,
Thanks for the suggestion, but that didn't solve the problem either.
BTW, my application is not an automation client/server.
Theo


What about AfxGetApp()->GetMainWnd()? Or
AfxGetApp()->GetMainWnd()->GetForegroundWindow(). Does any of this help?
In my program it did help.

No luck either.

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