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