I've just discovered that I can write this hacky stuff:{WindowOpened. WindowClosed} do: [:annClass|�� � TWMBar default windowManager world announcer�� � � � � � on: annClass�� � � � � � do: [:ann| TWMBar default windowManager tileLastUsedWindows].]Then open or close a window .....Something to look at if someone want to experiment & help ....Laurent Laffont -�@lolgzs
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