GtkAboutDialog::set_logo_icon_name
Sets the logo icon to be displayed, but not with the GdkPixbuf as set_logo() does - you pass a name, and Gtk tries to find the icon in the list of named images.
Sets the logo icon to be displayed, but not with the GdkPixbuf as set_logo() does - you pass a name, and Gtk tries to find the icon in the list of named images.