gtk-sharp 2.10.0.0 Gtk# 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.SignalArgs Constructor Public Constructor. Create a new instance with this constructor if you need to invoke a delegate. Property Gtk.TreeIter The row whose child display was toggled. a Property Gtk.TreePath The path of the row whose child was toggled. a