+ SMESH_GroupBase_i* groupImpl = SMESH::DownCast< SMESH_GroupBase_i* >( theGroup );
+ if ( !groupImpl || groupImpl->GetMeshServant() != this )
+ THROW_SALOME_CORBA_EXCEPTION( "RemoveGroupWithContents(): group does not belong to this mesh",
+ SALOME::BAD_PARAM);
+