Using themes and closing windows

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 ?

Annick

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