Examples: IsSubForm property (NotesForm - LotusScript®)
This script displays the names of all the subforms in a database.
Dim session As New NotesSession
Dim db As NotesDatabase
Set db = session.CurrentDatabase
formCount = 0
msgString = ""
Forall form In db.Forms
If form.IsSubForm Then
formCount = formCount + 1
msgString = msgString & Chr(10) _
& " " & form.Name
End If
End Forall
If formCount > 0 Then
Messagebox "This database has " & formCount _
& " subform(s):" & msgString
Else
Messagebox "This database has not subforms"
End If