Re: Modeless Dialog

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( )) {
   ::PostQuitMessage(0);
   break;
  }
 }
 // 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).

Tom

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