>>> I installed something/xfce4 and net/xfce4-wavelan-panel.
>>> How do I start that panel?
>>
>> No idea, but maybe "pkg_info -qL xfce4-wavelan-panel | grep /bin/" gives a
>> hint?
>
> [s/panel/plugin/g]
>
> No. The package installs libwavelan.{a,la,so} in
> pkg/lib/xfce4/panel-plugins and nothing else.

Greetings,

As far as I remember you have to enable it in the panel manager.
(If you don't find it, I will give you the details once my complilations 
are done. :))

Cheers,
Adam