gtk-sharp2.10.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.Event data.The following events invoke 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.PropertyGtk.TreeIterThe row whose child display was toggled.a PropertyGtk.TreePathThe path of the row whose child was toggled.a