if ( !aFatherRegion.IsNull() && aFatherRegion->Label() != myLab )
{
Handle(HYDROData_Zone) aNewZone = addNewZone( aDocument, "", TopoDS_Face(), QStringList() );
if ( !aFatherRegion.IsNull() && aFatherRegion->Label() != myLab )
{
Handle(HYDROData_Zone) aNewZone = addNewZone( aDocument, "", TopoDS_Face(), QStringList() );