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From: kend@data.UUCP (Ken Dickey)
Newsgroups: comp.windows.ms.programmer
Subject: Re^2: Good hash function on window handle?
Message-ID: <491@data.UUCP>
Date: 13 May 91 19:23:25 GMT
References: <24607@well.sf.ca.us> <488@data.UUCP> <24720@well.sf.ca.us>
Distribution: comp
Organization: Microcosm, Beaverton, OR
Lines: 17

al@well.sf.ca.us (Alfred Fontes) writes:

>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.


I don't know your app or how many windows you are dealing with, but
note that for small tables (e.g. N < 100) linear search beats hashing.


-Ken Dickey