Hi list, I know a widget will realized,mapped and visible before it appears on the screen.Then, 1) But who can tell me what it actually does during the three periods? 2) when the "unrealize" signal emission happens? And what the correspond callback does? Thanks a lot! Best regards, Randy _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list