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