gdk-sharp2.0.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.Event data.The event invokes delegates which pass event data via this class.GLib.SignalArgsConstructorPublic Constructor.Create a new instance with this constructor if you need to invoke a delegate.PropertySystem.BooleanReturns true if the display was closed due to an error.True if the display was closed due to an error.None.