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Re: widget help
| Re: widget help [message #6057] |
Wed, 03 April 1996 00:00 |
rivers
Messages: 228
Registered: March 1991
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Senior Member |
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In article <4js559$mpd@cssun.mathcs.emory.edu>, qicun@mathcs.emory.edu (Qicun Sun) writes:
>
> What does this mean:
>
> UVALUE='@Rstruct.para=ev.value/10'
There are 2 answers to that question. The first is the superficial
one: the statement is simply assigning a string to the variable
called UVALUE. UVALUEs are commonly used in WIDGET routines.
The second answer is what the author is going to do with that UVALUE at a later
date. I can't answer that for certain, but I could hazard a guess:
- The stuff after the '@' could be an IDL statement which will be executed
later via the IDL EXECUTE() routine.
____________________________________________________________
Mark Rivers (312) 702-2279 (office)
CARS (312) 702-9951 (secretary)
Univ. of Chicago (312) 702-5454 (FAX)
5640 S. Ellis Ave. (708) 922-0499 (home)
Chicago, IL 60637 rivers@cars3.uchicago.edu (Internet)
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