ruby1.9.2 + gtk2 (0.90.8 x86-mingw32)

ruby 1.9.2p180 (2011-02-18) [i386-mingw32]

C:\Documents and Settings\takashi>gem list

*** LOCAL GEMS ***

atk (0.90.8 x86-mingw32)

cairo (1.10.0 x86-mingw32)

gdk_pixbuf2 (0.90.8 x86-mingw32)

glib2 (0.90.8 x86-mingw32)

gtk2 (0.90.8 x86-mingw32)

minitest (2.0.2)

mkrf (0.2.3)

pango (0.90.8 x86-mingw32)

pkg-config (1.0.8)

rake (0.8.7)

rdoc (3.5.3)

rubygems-update (1.6.1)

C:\Documents and Settings\takashi>cd C:\ruby\Ruby192\lib\ruby\gems\1.9.1\gems\gtk2-0.90.8-x86-mingw32\sample\gtk-demo

C:\ruby\Ruby192\lib\ruby\gems\1.9.1\gems\gtk2-0.90.8-x86-mingw32\sample\gtk-demo>ruby main.rb