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Re: Problem with COMMON block [message #14908 is a reply to message #14800]

Thu, 01 April 1999 00:00

Michael Werger
Messages: 34
Registered: May 1997

Member

VU KHAC Tri wrote:
>
> Hi folks,
>
> I have written 2 following procedures, but IDL compilator signals an
> error at
> using "StdImage.FileName" since it does not know the definition of
> StdImage in the COMMON block.
> Could you tell my the reason and your solution ?

> pro WindowLoadImage_event, event
> COMMON SHAREIMAGE

change this line into:

COMMON SHAREIMAGE, StdImage, ObjImage

> WIDGET_CONTROL, event.id, GET_UVALUE = selected
> ; define a temporal type
> ...

Still doesn't work? Then try to avoid COMMON (recommended).
Just put all your required variables in a structure
and put this into the base widget uvalue or value
then you may easily read/write this again -

If you need to know more, just send me an email (but think
of the easter holidays...)

--
Michael Werger ------------o
ESA ESTEC & Praesepe B.V. |
Astrophysics Division mwerger@astro.estec.esa.nl|
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[Message index]

		Problem with COMMON block By: VU KHAC Tri on Mon, 29 March 1999 00:00
		Re: Problem with COMMON block By: Michael Werger on Thu, 01 April 1999 00:00

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