SMESH_Actor *anActor = SMESH::FindActorByObject( aMesh );
if ( !anActor ) anActor = SMESH::CreateActor( entry.c_str(), /*clearLog =*/true );
if ( anActor ) // actor is not created for an empty mesh
SMESH_Actor *anActor = SMESH::FindActorByObject( aMesh );
if ( !anActor ) anActor = SMESH::CreateActor( entry.c_str(), /*clearLog =*/true );
if ( anActor ) // actor is not created for an empty mesh