Examples: IsHidden property (NotesViewColumn - LotusScript®)
This agent toggles whether a column is hidden.
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)
vc.IsHidden = NOT vc.IsHidden
End Sub