On 3/2/05 6:20 PM, Peter S Lau didst favor us with:
> On Mar 1, 2005, at 10:12 PM, Bryan Pietrzak wrote:
>
>> On Mar 1, 2005, at 8:13 PM, Andrew Gillanders wrote:
>>
>>> I have a normal document window (standard event handler installed)
>>> which has an event handler attached to it. When I close the window,
>>> are the event handlers automatically discarded, or do I have to
>>> explicitly remove them before closing the window?
>>
>> Yes, when a target goes away, any handler installed on it is removed.
>
> I am under the impression that if you install the handler using
> NewEventHandlerUPP(), you will need to call DisposeEventHandlerUPP()
> manually.
This is correct. If this were not the case, the technique below wouldn't
work. However the handler is removed from the target, which is a different
concept. If you wanted to remove it manually you would call
RemoveEventHandler().
Larry
> But there's also the common practice to have a static variable to
> allocate NewEventHandlerUPP() once, use it everywhere, and don't call
> DisposeEventHandlerUPP() and let your process ends with it.
>
> So depends on what you are doing...
>
> pete
>
>
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