gdk-sharp 2.0.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Specifies the direction for the . None. System.Enum GLib.GType(WrapperType=typeof(Gdk.ScrollDirectionGType)) Field Gdk.ScrollDirection The window is scrolled up. Field Gdk.ScrollDirection The window is scrolled down. Field Gdk.ScrollDirection The window is scrolled left. Field Gdk.ScrollDirection The window is scrolled right. Field System.Int32 Internal field. Do not use.