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OBJ_HASMETHOD [message #42757]

Fri, 25 February 2005 09:47

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Folks,

Oh, oh. I discovered quite by accident (I assumed it would
be there) that there is a function OBJ_HASMETHOD that can
be used to tell if an object has a particular method or not.
But I can't find any reference to it in the IDL documentation.

obj = Obj_New('trackball')
Print, Obj_HasMethod(obj, 'UPDATE')
1

Does anyone know anything about this function? In particular,
I would like to know when it was introduced. I don't spend
a *great* deal of time thinking about backward compatibility,
but in this particular instance I must. It will replace a hack
from a long time ago in a fundamental part of the code. :-(

Thanks,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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