Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!mips!apple!well!al
From: al@well.sf.ca.us (Alfred Fontes)
Newsgroups: comp.windows.ms.programmer
Subject: Re: Good hash function on window handle?
Message-ID: <24720@well.sf.ca.us>
Date: 11 May 91 07:43:01 GMT
References: <24607@well.sf.ca.us> <488@data.UUCP>
Distribution: comp
Lines: 8

kend@data.UUCP (Ken Dickey) writes:

>[i.e. use the cbWndExtra bytes and {Set,Get}WindowLong() to
>save/restore an index or data handle.  Then use the window handle
>itself to get to your info.]

This is a good idea, but it won't work for pre-registered classes,
such as controls and the MDI client window.