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From: lsalomo@hubcap.clemson.edu (lsalomo)
Newsgroups: comp.os.os2.misc,comp.os.os2.programmer
Subject: Re: Help with setting the oicon for minimized window
Message-ID: <11470@hubcap.clemson.edu>
Date: 8 Nov 90 15:49:58 GMT
References: <13005@asylum.SF.CA.US>
Organization: Clemson University, Clemson, SC
Lines: 58

Have you looked in Appendix B of the Tech Ref?  The format for bitmaps, icons,
and pointers is discussed there.

An alternative way to do this, if I understand you correctly, is to draw the
icon yourself once you realize you are being minimized.  This is how the
popular clock programs do it.

If you'll notice, you need to subclass the frame IF THE WINDOW IS NOT A DIALOG
BOX!!!  If the window is a dialog box, cut the WM_PAINT from newFrameProc and
paste it in your dialog proc.  This is because dialog boxes are a cut-back
subclassed frame.

Notice that the frame sends a WM_MINMAXFRAME to the client telling it that
it is being maximize, minimized, or restored.  We could have intercepted it
in newFrameProc, but I don't know how to do it that way.

BOOL minimized;

MRESULT EXPENTRY newFrameProc(HWND hwnd,USHORT msg,MPARAM mp1,MPARAM mp2)
{
   switch (msg) {
   case WM_PAINT:
      if (minimized) {
	 HPS hps;

	 hps=WinBeginPaint(hwnd,NULL,NULL);

	 /* Do your drawing here */

	 WinEndPaint(hps);

	 return (MRESULT)FALSE;
      } /* endif */
      break;
   default:
      break;
   } /* endswitch */

   return (*oldFrameProc)(hwnd,msg,mp1,mp2);
}

MRESULT EXPENTRY myWinProc(HWND hwnd,USHORT msg,MPARAM mp1,MPARAM mp2)
{
   switch (msg) {
      :
      :
   case WM_MINMAXFRAME:
      minimized=(((PSWP)mp1)->fs & SWP_MINIMIZE);
      break;
      :
      :
   default:
      return WinDefWindowProc(hwnd,msg,mp1,mp2);
      break;
   } /* endswitch */

   return (MRESULT)FALSE;
}