| Re: User Interface realization in IDL [message #40714] |
Tue, 31 August 2004 12:43 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Cartik Sharma writes:
> I am using an object oriented framework within IDL for user interface
> representation for a complex system.
>
> I find that it takes some time (about 10 seconds) to load up my
> software primarily because the widget base takes some time to realize.
>
> Is it widget realization slower when using objects in IDL?
I think any properly written object system is going
to be a *bit* slower than normal. But 10 seconds seems
a long time. I have a really, really big object system
I use to write GUI applications and I've never noticed
anything like that.
Two thoughts. Have you compiled all the code first?
In other words, is the code in some kind of project
that gets built before you run your code? Do all of your
objects have INIT and CLEANUP methods associated with
them? Because of the way IDL looks for code, if these
methods are absent and you have a big path, IDL can
be looking for a long time for these. I include them
on objects, even if they are not needed.
And I have, uh, written some pretty bad object
code from time to time. Because of the nature of
objects, it is possible to be going through code
an unnecessary number of times without really
being aware of it. It is worth thinking about
as a last resort. If your objects have some way
of reporting what they are doing, it is illuminating
to turn this on from time to time.
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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