On Jul 21, 2010, at 9:15 PM, Mike Turchenkov wrote:
> Files that are created with AppWizard, sometimes contain "app =
> self.Application" string in some methods.
>
> AFAIU, this feature exists only for comfort if I want to use app
> object in method, and can be deleted otherwise.
>
> Is it right?
It exists mostly for comfort, but there are some performance
considerations, too. "self.Application" is a property reference, which means
that it calls the getter for the Application property of the current object.
This has to run some code to determine the correct reference to return every
time the property is accessed. By accessing the property once and then using
the reference returned by it many times, it does make a tiny improvement in
performance. That's why throughout Dabo if a property needs to be referenced
more than once, it is usually only accessed once and then that reference is
used many time.
-- Ed Leafe
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