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