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Re: dereferencing a pointer to an object array [message #32787]

Fri, 08 November 2002 15:38

Pavel A. Romashkin
Messages: 531
Registered: November 2000

Senior Member

I think David is right. Try stepping into the loop in your debugger, and
make sure your Obj_New returns valid objects and populates the array.
One thing that draws my attention here:
> self.ZoneGroupObjs = ptr_new(ZoneGroupObjs)
You only do this once per session, right?
Cheers,
Pavel

Brent Griffith wrote:
>
> greetings,
>
> What is the trick to dereferencing a pointer to an Object array? I
> want to keep track of an array of object references in another object.
> I don't know how many until runtime so I use a pointer to the object
> array and store that in the managing object. But when I go to access
> the thing, by dereferencing the pointer, the object array has the
> right size but all the objects are null.
>
> here is how I create and store the object array
>
> ZoneGroupObjs = objArr(self.numGroups)
> For i = 0, self.numGroups-1 do begin
> ZoneGroupObjs[i] = obj_new('ZoneGroup')
> endfor
> self.ZoneGroupObjs = ptr_new(ZoneGroupObjs)
>
> Then to access the objarr inside another method..
>
> theseGroupObjs=*self.ZoneGroupObjs
>
> But it doesn't work! Why?
>
> Thanks!
>
> Brent

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		Re: dereferencing a pointer to an object array By: Pavel A. Romashkin on Fri, 08 November 2002 15:38
		Re: dereferencing a pointer to an object array By: David Fanning on Thu, 07 November 2002 16:12

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