gtk-sharp 2.10.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. An enumeration representing possible orientations and growth directions for the visible . An enumeration representing possible orientations and growth directions for the visible . System.Enum GLib.GType(WrapperType=typeof(Gtk.ProgressBarOrientationGType)) Field Gtk.ProgressBarOrientation A horizontal growing from left to right. A horizontal growing from left to right. Field Gtk.ProgressBarOrientation A horizontal growing from right to left. A horizontal growing from right to left. Field Gtk.ProgressBarOrientation A vertical growing from bottom to top. A vertical growing from bottom to top. Field Gtk.ProgressBarOrientation A vertical growing from top to bottom. A vertical growing from top to bottom.