@tokai : thanks for your comments about MUI way of coding
Newbies MUI coders (frenchies) could visit http://www.guru-meditation.net and http://www.rusback.org who contains infos, french docs about coding on amiga, etc...
Any comment about Zune (MUI clone under Linux or Aros) ?
http://www.aros.org/documentation/developers/zune-application-development.php