LOTUSSCRIPT/COM/OLE CLASSES
Examples: IsReadOnly property
This agent opens a stream for a file and writes to it. If the file is read-only, the agent exits.

%INCLUDE "lsconst.lss"
Sub Initialize
 Dim session As NotesSession
 Dim db As NotesDatabase
 Dim dc As NotesDocumentCollection
 Dim doc As NotesDocument
 Dim stream As NotesStream
 Dim pathname As String
 pathname = "c:\StreamFiles\"
 Set session = New NotesSession
 Set db = session.CurrentDatabase
 Set dc = db.UnprocessedDocuments
 Set doc = dc.GetFirstDocument
 Set stream = session.CreateStream
 pathname = pathname & doc.GetItemValue("Subject")(0) & ".txt"
 If Not stream.Open(pathname, "ASCII") Then
   Messagebox pathname,, "Open failed"
   Exit Sub
 End If
 If stream.IsReadOnly Then
   Messagebox pathname,, "File is read-only"
   Exit Sub
 End If
 If stream.Bytes <> 0 Then
   If Messagebox("Do you want to abort?", _
   MB_YESNO + MB_ICONQUESTION, _
   "File exists and has content?") = IDYES Then
     Exit Sub
   End If
   If Messagebox("Do you want to replace the old content?", _
   MB_YESNO + MB_ICONQUESTION, _
   "Rewrite or append?") = IDYES Then
     Call stream.Truncate
   Else
     Call stream.WriteText(Chr(13) & Chr(10))
   End If
 End If
 Call stream.WriteText(doc.GetItemValue("Body")(0))
 Call stream.Close
End Sub