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Re: How to make an attribute of the oject visible outside of the class [message #56228]

Fri, 12 October 2007 16:54

Jean H.
Messages: 472
Registered: July 2006

Senior Member

natha wrote:
> Hi people,
> If I have an object like this:
> PRO objectA__define
> struct = { objectA, $
> a:0L $
> }
> END
> and another object like this:
> PRO objectB__define
> struct = {objectB, $
> A:OBJ_NEW(objectA) $
> }
> END
>
> How can I do for in a method in the class objectB treat with
> self.A.a ??? Is it possible?
> My code is more complex that this example and for the moment I resolve
> this problem using pointers..
>
> I'm grateful for any suggestions
>
> bye
>

You have 2 options...
1) object B inherits from object A, so all attributes and methods of A
are available for B
struct = {objectB, $
A:OBJ_NEW(objectA) $
INHERITS A
}

2) create a method in object A that returns the variable you want, then call
print, self.A -> return_a()
and if needed, another one to write the value a
self.A -> write_a, newValue

Jean

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