well, because that expanding option for "window buttons" is disappeared in this (4.10) version. so You'd better to check below link and find "Window Buttons" section.
http://www.xfce.org/about/tour?lang=en It will helps you. cheers :D Seong-ho, Cho. 2012/5/22 Silvio Siefke <siefke_lis...@web.de>: > Hello, > > have someone installed XFCE in Version 4.10 and can me tell, has same > with the windows which are now in the back of the menupanel? > > > Screenshot: > Old: http://silviosiefke.de/img/ext/old.png > New: http://silviosiefke.de/img/ext/new.png > > They are others Relation in Screenshots, one is my Netbook, other is my > normal Notebook. > > > Regards > Silvio >