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 System.Boolean Whether or not to open all children of this cursor row. A Property System.Boolean Whether to expand (true) or collapse(false) the row. A Property System.Boolean Whether or not this cursor row is a logical row. A TODO: explain.