dynamically created List only operates for level 1

[JACanterbury]

Hi Ben,

Thanks for the suggestion. Actually I had the .Reset (I just missed it
off the bottom of the cut and paste).

It's frustrating because the debug.print returns 50 which is what I'd
expect its just that the loop only runs once.

I've jsut condensed it down to the bare bones :-

>>>const NUMBER_OF_TRIALS as integer = 50

dim index as integer 'loop variable

for index = 1 to NUMBER_OF_TRIALS

	TrialList.setProc index, "TrialProc"
	TrialList.setWeight index, "1"
	TrialList.setAttrib index, "text", "cat"
	TrialList.setAttrib index, "correct", "a"

	if index < NUMBER_OF_TRIALS then
		TrialList.AddLevel index + 1
	end if

	debug.print index & " - " & TrialList.getAttrib(index, "text") & " -
" &  TrialList.getAttrib(index, "correct")

next

debug.print "TrialList size = " & TrialList.Size

TrialList.Reset
<<<<

with a basic TrialList with a single level as follows;-

>>>
ID   Weight   nested   procedure   Text   Correct
1		1              TrialProc	 Cat	   a
<<<


which has the same problem :(

Is anyone else successfully using AddLevel ? If so, then some sample
code would be appreciated,

Many thanks,

John



On Oct 6, 6:30 pm, ben robinson <baltimore.... at gmail.com> wrote:
> don't forget to add TrialList.Reset after adding all those levels.
> hope that helps.
>
>
>
>
>
>
>
> On Thu, Oct 6, 2011 at 11:53 AM, JACanterbury <jacanterb... at gmail.com> wrote:
> > Hi
>
> > I'm setting up my TrialList to have only 1 level and then building it
> > on the fly something like this ...
>
> > for index = 1 to NUMBER_OF_TRIALS
>
> >        TrialList.setProc index, "TrialProc"
> >        TrialList.setWeight index, "1"
> >        TrialList.setAttrib index, "response", responses( index )
> >        TrialList.setAttrib index, "image", "images\\" & images( index )
> >        TrialList.setAttrib index, "delay", Random( interval_min,
> > interval_max )
>
> >        if index < NUMBER_OF_TRIALS then
> >                TrialList.AddLevel index + 1    ' add the next level to the list
> > ready for the next loop iteration
> >        end if
>
> > next
>
> > debug.print "TrialList size = " & TrialList.Size
>
> > this code all works fine and adds the extra levels and the final
> > debug.print displays the correct value (50 in this case) however the
> > script then only performs 1 iteration so it seems to ignore all the
> > extra levels that have been dynamically added.
> > Interestingly, if I add an extra level ie level 2) manually  before
> > running this code (with the approp tweak to stop AddLevel complaining)
> > then the list operates for level 1 & level 2.
>
> > It's as if e-prime is using the startup value for the list size and
> > ignoring what has happened at run time.
>
> > Any ideas would be appreciated ( i'd rather keep it dynamic if
> > possible)
>
> > Thanks
>
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