<para>The <seecref="M:GLib.DBusConnection.Closed"/> event utilizes this delegate:</para>
<para>Event data is passed via the <seecref="T:GLib.ClosedArgs"/> parameter.</para>
<para>To attach a <seecref="T:GLib.ClosedHandler"/> to an event, add the ClosedHandler instance to the event. The methods referenced by the ClosedHandler instance are invoked whenever the event is raised, until the ClosedHandler is removed from the event.</para>