Path: utzoo!utgpu!water!watmath!clyde!att!ucbvax!bloom-beacon!ATHENA.MIT.EDU!swick
From: swick@ATHENA.MIT.EDU (Ralph R. Swick)
Newsgroups: comp.windows.x
Subject: Re: Drawing on widgets [was: Drawing lines with the Xtool kit]
Message-ID: <8809261146.AA12438@LYRE.MIT.EDU>
Date: 26 Sep 88 11:46:38 GMT
References: <4361@thorin.cs.unc.edu>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: DEC/MIT Project Athena
Lines: 4

The principal error in your code is that you are not waiting for the
window to be mapped before drawing on it.  The best way to accomplish
this is to move all your drawing code into the Expose procedure
of a new widget.