if ( !aGroupOp->_is_nil() ) {
// mainShape is an existing servant => GEOM_Object_var not GEOM_Object_wrap
GEOM::GEOM_Object_var mainShape = aGroupOp->GetMainShape( geom );
GEOM::ListOfLong_var ids = aGroupOp->GetObjects( geom );
if ( ids->length() && !mainShape->_is_nil() && !aShapeOp->_is_nil() ) {
GEOM::GEOM_Object_wrap member = aShapeOp->GetSubShape( mainShape, ids[0] );
if ( !aGroupOp->_is_nil() ) {
// mainShape is an existing servant => GEOM_Object_var not GEOM_Object_wrap
GEOM::GEOM_Object_var mainShape = aGroupOp->GetMainShape( geom );
GEOM::ListOfLong_var ids = aGroupOp->GetObjects( geom );
if ( ids->length() && !mainShape->_is_nil() && !aShapeOp->_is_nil() ) {
GEOM::GEOM_Object_wrap member = aShapeOp->GetSubShape( mainShape, ids[0] );