ArchiveToStream
viewstate->ArchiveToStream(&stream);
column->ArchiveToStream(&stream);
fViewState->ArchiveToStream(&stream);
fTitle->Column()->ArchiveToStream(&fColumnArchive);
c.ArchiveToStream(&stream);
void ArchiveToStream(BMallocIO* stream);
void ArchiveToStream(BMallocIO* stream) const;