Trapping Command-q

Marty Knapp martyknapp at
Wed May 17 23:40:34 EDT 2006

In my experience, trapping for a quit message on OS X is not reliable. 
It works most of the time, but not all of the time. Ken's method, which 
my previous post referred to, is the only method that I've found to be 
reliable. Specifically, his "Brute force" method. (He details 2 methods 
on his site.)

Marty Knapp
> On 5/18/06, Jason Tangen <jtangen at> wrote:
>> Can someone tell me how to prevent a user from using Command-q to
>> quit Revolution?  I'm sure that I used to be able to do it, but not
>> anymore.  Did something change?
> How about trapping the commandKeyDown message?
> on commandKeyDown pKey
>  if pKey = "Q" then
>     answer "You are not allowed to quit :-)"
>  else
>     pass commandKeyDown
>  end if
> end commandKeyDown
> HTH,
> Sarah

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