Re: Re: presentations in ConTeXt

[Hans Hagen <pragma@wxs.nl>]

Thomas A. Schmitz wrote:

> Mojca,
>
> thanks again, that's a useful trick! However, there is a command  
> \interactionbar which seems to provide this functionality, and there  
> is \setupinteractionbar, but the commands are somewhat  
> underdocumented :-)
> At least, I don't get any visible output on my slides when I include  
> them; there seems to be some kind of secret...
>
> (Your code doesn't compile here, it dies with this message:
>
> This is MetaPost, Version 0.641 (Web2C 7.5.4)
> (p-mpgraph.mp
> >> NOfPages-2
> ! Unknown relation will be considered false.
> <to be read again>
>                    )
> l.118 if(NOfPages > 2)
>                        and (PageNumber > 0): fraction :=  
> (PageNumber-1)/(NOf...
>
> ?
>
> Thanks, and best

if you want access to those variables (some of them only make sense at pag ebuilding time) you need to say: 

  LoadPageState ;

(this is done automatically in StartPage ... StopPage) 

Hans 

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