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