Just run the following code, the listfoot will not be displayed:

<window title="Listbox" border="normal">
<listbox>
<listhead>
<listheader label="id" visible="false"/>
<listheader label="Name" />
<listheader label="Age" />
</listhead>
<listitem >
<listcell label="1" />
<listcell label="Ronaldo" />
<listcell label="35" />
</listitem>
<listitem >
<listcell label="2" />
<listcell label="Neymar" />
<listcell label="22" />
</listitem>
<listfoot>
<listfooter span="3">
<label value="This text will disappear"/>
</listfooter>
</listfoot>
</listbox>
</window>