Module MainModule
    Dim Ergebnis As String = ""
    Dim Anzahl As Long = 0
    Const PROFILNAME As String = "Agent"
    Const ORDNERNAME As String = "Datenordner"
    Const DATEISYSTEM As String = "c:\daten"
 
    Sub Main()
        AttachmentsAuswerten()
        Console.ReadLine()
    End Sub
 
    Sub OutDebug(ByVal s As String)
        Dim sw As New System.IO.StreamWriter("C:\daten\log.txt", True)
        sw.WriteLine(DateTime.Now + ": " + s)
        sw.Close()
        Console.WriteLine(s)
    End Sub
 
    Sub AttachmentsAuswerten()
        OutDebug("Starte Abholvorgang...")
        'Try
        Dim objSession As mapi.Session
        Dim objF1 As mapi.Folder
        Dim objF2 As mapi.Folder
        ' --- Instanziierung mit new !
        objSession = New mapi.Session()
        ' --- Anmelden
        OutDebug("Login")
        ' Statisches Profil
        objSession.Logon(PROFILNAME)
        ' Dynamicshes Profil
        'Dim strProfileInfo As String = "192.168.1.191" & vbLf & "HS"
        'objSession.Logon("", "", False, True, 0, False, strProfileInfo)
 
        ' --- Zugriff auf Ordner
        objF1 = CType(objSession.Inbox, mapi.Folder)
        objF2 = recsearch_Folder(objF1, ORDNERNAME)
        ' --- Nachrichten auswerten
        For Each m As mapi.Message In objF2.Messages
            If m.Unread Then
                For Each a As mapi.Attachment In m.Attachments
                    Ergebnis &= a.Name & ";"
                    Anzahl += 1
                    a.WriteToFile(DATEISYSTEM & a.Name)
                    OutDebug("Anhang: " & a.Name)
                Next
            End If
        Next
        OutDebug("Fertig: Anzahl der Anhänge: " & Anzahl)
        OutDebug("Abholvorgang beendet!")
        'Catch ex As Exception
        ' OutDebug("Fehler: " & ex.GetType().FullName & ":" + ex.Message)
        ' 'End Try
    End Sub
 
 
    Public Function recsearch_Folder(ByVal objStartFO, ByVal OrdnerName)
        Dim objF As mapi.Folder
        If Not objStartFO Is Nothing Then
            ' --- Vergleich ausführen
            If objStartFO.Name = OrdnerName Then
                Return objStartFO
            Else
                ' --- Rekursion über alle Unterordner
               For Each objF In objStartFO.Folders
                    Dim objF2 As mapi.Folder = recsearch_Folder(objF, _
                      OrdnerName)
                    ' --- Abbruchbedigung der Rekursion
                    If objF2 IsNot Nothing Then Return objF2
                Next
                Return Nothing
            End If
        End If
        Return Nothing
    End Function
End Module