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