Le 25/09/2014 18:37, Annick Fron a écrit :

Is there a documentation how to use or write Themes ?

I would like to attach some method when I close a window, how I do that ?

You can register to the announcement sent by the window when closing. | s | s := SystemWindow new. s onAnnouncement: WindowClosed do: [ Transcript show: 'Closing' ]. s openAsIs Thierry