This column style displays an asterisk if the currently displayed object was published. It uses a Converter.

<ColStyle Name="P" Width="48" Height="0">

  <CellTemplate>

    <xp:TextBlock Margin="4,0,4,0" VerticalAlignment="Top" HorizontalAlignment="Center" Text="{Binding Path=[folderObject:Referencing( pubDest.objs )], Converter={StaticResource NullValueConverter}, ConverterParameter=:*}" />

  </CellTemplate>

</ColStyle>

See also

Column style for Info column