gtk-sharp 2.8.0.0 Gtk# 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.SignalArgs Constructor Public Constructor. Create a new instance with this constructor if you need to invoke a delegate. Property Gtk.TreeViewColumn The column that was clicked on as part of the row activation event. A Property Gtk.TreePath The path of the row that was activated. A