Hi Wolfgang, all,

Thanx for the example/help.

I have a few questions sothat I understand properly what is going on and
how to maybe do some more fancy things.

1) \dimexpr allows the calculation of a dimention

2)  \dimexpr is closed by \relax or if I need more complicated calculation 
something like:
        frameoffset=\dimexpr{\framedparameter{rulethickness}*3/10}  + 
\framedparameter{\frameoffset}}\relax

3)  How would access a value of a DIFFERENT frame?
       
4) I could use my own command whose result is a dimension:
      \def\MyCommand#1{#1\textwidth}
        and use it as:
        frameoffset=\dimexpr\Mycommand{.05}\relax

regards
        Keith

        
Am 18.10.2013 um 14:56 schrieb Wolfgang Schuster <schuster.wolfg...@gmail.com>:

> 
> 
> \defineframed
>  [MyFrame]
>  [rulethickness=3pt,
>   frameoffset=\dimexpr\framedparameter{rulethickness}*3/10\relax]
> 
> \starttext
> 
> \MyFrame{What goes into the frame}
> 
> \blank
> 
> \MyFrame[rulethickness=1pt]{What goes into the frame}
> 
> \blank
> 
> \MyFrame[rulethickness=10pt]{What goes into the frame}
> 
> \stoptext
> 
> Wolfgang
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