TablePane Grid Lines

[Scott Lanham]

Howdy,

I would like to be able to see the grid lines in the TablePane while I get a 
feel for the layout. The following code doesn't appear to make the grid lines 
visible though:

   <TablePane wtkx:id="mainLayout"
            styles="{padding:8, showHorizontalGridLines:true, 
showVerticalGridLines:true}">
            <columns>
                <TablePane.Column width="-1"/>
                <TablePane.Column width="1*"/>
            </columns>
            <rows>
                <TablePane.Row height="1*">
                    <Label text="col1"/>
                    <Label text="col2"/>
                </TablePane.Row>
            </rows>
        </TablePane>

Are the display of grid lines supported for TablePane?

Thanks,

Scott.