... ich hab das mal so gelöst:
Sub Postsave(Source As Notesuidocument)
Dim ws As New NotesUIWorkspace
Dim session As New NotesSession
Dim db As NotesDatabase
Dim uidoc As NotesUIDocument
Dim doc As NotesDocument
Dim docCheck As NotesDocument
Dim rtitem As Variant
Dim sizeRT As Integer
Set db = session.currentDatabase
Set uidoc = ws.currentDocument
Set doc = uidoc.document
Set rtitem = doc.getfirstItem("Formular")
sizeRT = rtitem.valueLength
If sizeRT > 100 Then
doc.flag_formular = "ja"
Else
doc.flag_formular = "nein"
End If
Call doc.save(False, False)
End Sub
mit dem sizeRT musst du etwas rumprobieren.