Re: EnableWindow() problem

From:

"Tom Serface" <tom.nospam@camaswood.com>

Newsgroups:

microsoft.public.vc.mfc

Date:

Tue, 19 Jun 2007 06:28:01 -0700

Message-ID:

<D34C6958-14A1-4AA3-A961-E99F45451702@microsoft.com>

If it were me I'd put a function in the mainframe object that responds to an
application generated message and have the mainframe restore itself in
response to something like:

#define RESTORE_MAINFRAME_WINDOW (WM_APP+100)

pMainframe->PostMessage(RESTORE_MAINFRAME_WINDOW);

Then in than message handler function do something like:

OnRestoreMainframeWindow()
{
    EnableWindow(true);
    BringWindowToTop();
    SetForegroundWindow();
    SetFocus();
}

Or whatever else you want to try. That would make it easy to debug (could
break at this point to see if this is even happening) and it would also
encapsulate the functionality so that different things could be tried
easily.

Tom

"Joseph M. Newcomer" <newcomer@flounder.com> wrote in message
news:d4kf73l9sbr837cfvm9tkvrin3je09hjv9@4ax.com...

There are several things here:
restore the window to its original size
make it the foreground window
set the focus

no one call is going to accomplish all of these; you are looking for a
one-API solution
and there is no single API that does everything you want. You therefore
must do ALL the
APIs required. As long as you persist in believing there is a single API
that does it
all, you will not find an answer.
joe

On Tue, 19 Jun 2007 13:52:42 +0200, Theo Landman
<tlandman_NO_SPAM@justcroft_NO_SPAM.com>
wrote:

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

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