if (myMesh->_is_nil())
return false;
myGroupOnFilter = myMesh->CreateGroupFromFilter(aType,
SMESH::toUtf8(myName->text()),
myFilter);
if (myMesh->_is_nil())
return false;
myGroupOnFilter = myMesh->CreateGroupFromFilter(aType,
SMESH::toUtf8(myName->text()),
myFilter);