Am 18.01.2014 um 11:52 schrieb Fabrice Couvreur <fabrice1.couvreur@gmail.com>:

> Hi, 
> I use the following header to my statements made with tittlesec package. 
> 
> \makeatletter
> 
>     \newcommand{\@classe}[1]{}
>     \newcommand{\classe}[1]{\gdef\@classe{#1}}
>     \newcommand{\@typedevoir}[1]{}
>     \newcommand{\typedevoir}[1]{\gdef\@typedevoir{#1}}
>     \newcommand{\@numerodevoir}[1]{}
>     \newcommand{\numerodevoir}[1]{\gdef\@numerodevoir{#1}}
>     \AtBeginDocument{\section{\@typedevoir\space\no\@numerodevoir}}
>     \titleformat{\section}[frame]
>       {\normalfont}
>       {\footnotesize\enspace\itshape\@classe\enspace--\enspace Le \@date\enspace}
>       {10pt}
>       {\Large\scshape\bfseries\filcenter}
>   \makeatother
> 
> I want to gradually move to ConTeXt and I tried to create the same header. 
> But I do not yet know all the commands to do with ConTeXt.

Can you show the output from LaTeX which is more use than some piece of code.

Wolfgang