- Event sender.
- Event arguments.
The TreeView.RowActivated event utilizes this delegate:
Event data is passed via the Gtk.RowActivatedArgs parameter.
To attach a Gtk.RowActivatedHandler to an event, add the RowActivatedHandler instance to the event. The methods referenced by the RowActivatedHandler instance are invoked whenever the event is raised, until the RowActivatedHandler is removed from the event.