gtk-sharpGtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.GLib.SignalArgsEvent data.The event invokes 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.BooleanWhether to expand (true) or collapse(false) the row.A PropertySystem.BooleanWhether or not this cursor row is a logical row.A TODO: explain.PropertySystem.BooleanWhether or not to open all children of this cursor row.A