Path: utzoo!attcan!uunet!husc6!bloom-beacon!sparky.UUCP!jdi
From: jdi@sparky.UUCP (John Irwin)
Newsgroups: comp.windows.x
Subject: Re: Help!
Message-ID: <8901282046.AA06866@sparky>
Date: 28 Jan 89 20:46:51 GMT
References: <2566@daisy.UUCP>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 22

Your message:

    In article <7391@netnews.upenn.edu> arup@linc.cis.upenn.edu.UUCP (Arup Mukh
   erjee) writes:
    >
    >		 The program works fine if no
    >window manager is running, but if any of wm, uwm, twm or awm is
    >running, the window appears, and *nothing* is drawn into it.

    You should wait for an Expose event before drawing on the window.
    ...

--------

Note: This *won't* work if the window in question has a backing-store of
type Always, and the server has enough resources to retain the window.

With such a window, you should wait for a MapNotify event before drawing.

	-- John

PS: The ICCCM should mention this difference in section 4.2.2.