gtk-sharp 2.12.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. The enumeration is used to specify constraints on an entry in a . System.Enum GLib.GType(typeof(Gtk.TargetFlagsGType)) System.Flags Field Gtk.TargetFlags If this is set, the target will only be selected for drags within a single application. Field Gtk.TargetFlags If this is set, the target will only be selected for drags within a single widget.