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From: ech@cbnewsk.ATT.COM (ned.horvath)
Newsgroups: comp.sys.mac.programmer
Subject: Re: A BUG (sort of) in the FINDER (event mask jiggery-pokery)
Message-ID: <1071@cbnewsk.ATT.COM>
Date: 25 Sep 89 20:13:13 GMT
References: 
Organization: AT&T Bell Laboratories
Lines: 10

In article <1567@eagle.wesleyan.edu> rcook@eagle.wesleyan.edu writes:
>After some investigation, I discovered that my program sets the system event
>mask to disable the posting of MouseUp events, and the Finder needs MouseUps to
>process a double click.

If you look at the definition (IM I-37, "Multiple clicking"), you'll see
that the Finder is doing the right thing: double-click-time should be
compared to the time between mouse-up and the following mouse-down.

=Ned Horvath=