Re: Modeless Dialog

"Tom Serface" <>
Tue, 21 Apr 2009 14:00:51 -0700
You could try making the window "topmost". Or put the lengthy operation
into a worker thread or use code like:

// Release main thread for background processing
void GiveTime()
 // Idle until the screen redraws itself, et. al.
 MSG msg;
 while (::PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ) ) {
  if (!AfxGetThread()->PumpMessage( )) {
 // let MFC do its idle processing
 LONG lIdle = 0;
 while (AfxGetApp()->OnIdle(lIdle++ ))

That would allow your main GUI to redraw. I wouldn't call this very often
(perhaps every few seconds or several hundred iterations through a loop).


"one-trick-pony" <> wrote in message


I have an application that creates modeless dialog for application
status messages. It has no title bar. I run lengthy operation in
code and if user switches windows, modeless dialog disappears in
background. I try to bring it back up using Alt+Tab but it never
does. If other windows are minimized it reappears. I tried
SetForegroundWindow, SetFocus etc. functions but not much luck. Need
some help.


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