[OpenLayers-Users] getDataExtent() for GML layer?

[Robert Sanson]

Does anyone know if Layer function getDataExtent() has been implemented for a GML layer constructed with:
 
fbnd = new OpenLayers.Layer.GML("Farm boundary",
                "http://10.65.192.1/cgi-bin/agbwfs.exe?farmid="+farmid+"&request=getfeature&typename=farm&service=wfs&version=1.0.0&SRS=EPSG:2193&BBOX="+x1+","+y1+","+x2+","+y2+"&maxfeatures=120 ( 'http://10.65.192.1/cgi-bin/agbwfs.exe?farmid="+farmid+"&request=getfeature&typename=farm&service=wfs&version=1.0.0&SRS=EPSG:2193&BBOX="+x1+","+y1+","+x2+","+y2+"&maxfeatures=120' )",
                {singleTile: true, style: farm_style, extractAttributes: true});
 
?
 
Many thanks,

Robert
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