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