gdk-sharp 0.0.0.0 neutral Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Specifies the visiblity status of a window for a . System.Enum System.IComparable System.IConvertible System.IFormattable Field Gdk.VisibilityState The window is completely visible. Field Gdk.VisibilityState The window is partially visible. Field Gdk.VisibilityState The window is not visible at all.