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