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Re: In catalyst, how do I decide which object need to be destroyed by hand? [message #67161 is a reply to message #67156]

Thu, 02 July 2009 10:51

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Dave writes:

> I read your imgwin example. There are following code:
>
> PRO ImgWin::CLEANUP
>
> @cat_pro_error_handler
>
> IF Obj_Valid(self.theImage) THEN self.theImage -> RemoveParent,
> self
> Obj_Destroy, self.theDrawWidget
> Obj_Destroy, self.theAxes
> Obj_Destroy, self._statusbar
>
> self -> TOPLEVELBASE::Cleanup
>
> self -> Report, /Completed
>
> END
>
> So I think that you destroy self.theDrawWidget, self.theAxes and
> self._statusbar by hand. Am I right?

Well, you know me. I'm pretty anal.

I don't think it is necessary. But after too many leaking
memory mistakes on this newsgroup, I do tend to destroy
everything alive when I exit a program. Follow my advice,
not my example. :-)

Cheers,

David

--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: In catalyst, how do I decide which object need to be destroyed by hand? By: Dave[4] on Thu, 02 July 2009 17:17
		Re: In catalyst, how do I decide which object need to be destroyed by hand? By: David Fanning on Thu, 02 July 2009 10:51
		Re: In catalyst, how do I decide which object need to be destroyed by hand? By: Dave[4] on Thu, 02 July 2009 09:56
		Re: In catalyst, how do I decide which object need to be destroyed by hand? By: David Fanning on Wed, 01 July 2009 08:49

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