Examples: IsSortDescending property (NotesViewColumn - LotusScript®)
This agent toggles whether the first column is sorted in ascending or descending order.
Sub Initialize
Dim session As New NotesSession
Dim db As NotesDatabase
Dim view As NotesView
Dim vc As NotesViewColumn
Set db = session.CurrentDatabase
Set view = db.GetView("View A")
Set vc = view.Columns(0)
If Not vc.IsSorted Then Exit Sub
vc.IsSortDescending = NOT vc.IsSortDescending
End Sub