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Re: Is a Widget realized? [message #4144]

Fri, 28 April 1995 00:00

Jackel
Messages: 30
Registered: April 1993

Member

In article <3nphat$f79@mirv.unsw.edu.au> feigin@saturn.gas.unsw.EDU.AU (Michael Feigin,ARC Research Fellow,AS,951231) writes:
> From: feigin@saturn.gas.unsw.EDU.AU (Michael Feigin,ARC Research Fellow,AS,951231)
> Subject: Is a Widget realized?
> Date: 28 Apr 1995 01:45:01 GMT

> Dear colleagues,

> As far as I understand, keyword REALIZED to Widget_Info function is used
> to check, if Widget_ID is realized. But this function interrupts, if Widget_ID
> was realized but has been destroyed later!
[example deleted]
> Does anyone know how to get the information "Is a Widget REALLY realized?",
> ie how do I overcome the above problem?

Have you tried the /VALID_ID keyword for WIDGET_INFO? ie.

IF ( WIDGET_INFO( testID, /VALID_ID ) EQ 1 ) THEN $
realized=WIDGET_INFO( testID, /REALIZED ) ELSE realized=0

It would be nice if WIDGET_INFO had the /BAD_ID keyword that
WIDGET_CONTROL has. Maybe next release :)

Brian

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		Re: Is a Widget realized? By: Jackel on Fri, 28 April 1995 00:00
		Re: Is a Widget realized? By: Fergus Gallagher on Fri, 28 April 1995 00:00

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