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Generating errors [message #51363]

Thu, 16 November 2006 07:32

Braedley
Messages: 57
Registered: September 2006

Member

Is the any way to generate a generic error if a given condition fails?
For example:

catch, the_error
if the_error ne 0 then begin
;fix what needs to be fixed
catch, /cancel
return ;so the user can try again
endif

;some other code

if n ne (*state).m then begin
;do something to notify user
;throw the error
endif

;some more code that may generate errors

BTW, this is in the event handler of a widget program, and it's assumed
that the problem can be fixed before the user tries again.
Is there any well defined mechanism to do what I want, or do I have to
do something like

a=intarr(3)
a[4]=0

in order to generate my error?

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Generating errors

By: Braedley on Thu, 16 November 2006 07:32

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