SpreadsheetDocument.TotalsBelow

Read and write.Type: Boolean.
You can use it to define section marker positions collapsing horizontal table groups. If the property has True value markers will be positioned under the group; otherwise - above it.
Please note that when a group is collapsed, a visible row will be the one that is positioned near a section marker. As a rule, position of markers depends on relative position of table total rows to detailed ones.
Thin client, web-client, server, thick client, external connection, Mobile application (client), Mobile application (server).

---