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