which Reactor

Hi, which reactor should I use to run a lisp when an existing dwg is opened and closed. I don't know anything about reactors, but I just need some search criteria so I can start learning.
TIA, Shawn.

 

Check this out:

http://cadence.advanstar.com/newsletter/cad_manager/0602_2.html

 

ok I read that, but i'm not sure which reactor still that i have to use to catch the opening of an exist. file or the closing of one. Is there a certain defined funtion reactor that's built in to catch this action? What I'm trying to do is update a log file on time spent on drawings. I've already got a lisp that does this but one has to type a command. I'd rather bypass typing that command and have it append the log file automatically.
Shawn

 

See example in the article. But insted of reactor's 'save' use another
reactor's events:

(setq MyReactor
(vlr-dwg-reactor
nil
'(vlr-dwgFileOpened . DoAfterOpen)
vlr-beginClose . DoAfterClose)
)
)
)

 

Shawn,

That article is wrong.... do not follow what the author is providing.

I will post some small code sample on this, tomorrow Monday.

LE.

 

Thanks Luis,I always wait info from autolisp expert.

 

I went to that site and found their simple suggestions would not work.

 

Luis gave me some help when I showed him what the article said which didn't
work. His suggestions did work.

 

Ok, try this simple example. It writes Author name in dwg properties before
save.

(vl-load-com)

(defun DoThisBeforeSave (Caller CmdSet / si)
(setq si (vla-get-SummaryInfo
(vla-get-Database
(vla-get-ActiveDocument (vlax-get-Acad-Object))
)
)
)
(vla-put-author si "Koistya Navin")
(if (and MyReactor (vlr-added-p MyReactor))

(vlr-remove MyReactor)

)
(princ)
)


(setq MyReactor
(vlr-dwg-reactor
nil
'(vlr-BeginSave . DoThisBeforeSave))
)
)

 

Also...

(vlax-release-object si)

should be placed after

(vla-put-author si "Koistya Navin")