gtk-sharpGtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.GLib.SignalArgsEvent data.The following events invoke delegates which pass event data via this class:ConstructorPublic Constructor.Create a new instance with this constructor if you need to invoke a delegate.PropertySystem.Int32The end position within the widget for the text that was deleted.An integer for the end position; this character is not included in the deleted text.PropertySystem.Int32The start position within the widget for the text that was deleted.An integer for the start position.