Ah, after I got some help from the gtk mail list, I found it in Gdk#, it's: Gdk.Screen.WindowStack. On Thu, Nov 19, 2009 at 4:54 PM, Matt Guo <matt at mattguo.com> wrote: > Can I do this? > Thank you. > > -- > Matt Guo > -- B.R. GUO Rui (Matt)