Fetch a Range of POP3 Messages

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Demonstrates the Chilkat MailMan.FetchRange method, which retrieves a range of messages from the POP3 mailbox and appends them to an EmailBundle. The arguments are keepOnServer, headersOnly, numBodyLines, a zero-based inclusive startIndex and endIndex, and the EmailBundle. This example fetches the first five messages.

Dim success As Long
success = 0

'  Demonstrates the MailMan.FetchRange method, which retrieves a range of messages from the
'  POP3 mailbox and appends them to an EmailBundle.  The arguments are keepOnServer,
'  headersOnly, numBodyLines, startIndex, endIndex, and the EmailBundle.  The indexes are
'  zero-based and inclusive.

Dim mailman As New ChilkatMailMan

'  Configure the POP3 server connection.
mailman.MailHost = "pop.example.com"
mailman.MailPort = 995
mailman.PopSsl = 1
mailman.PopUsername = "user@example.com"
mailman.PopPassword = "myPassword"

'  Fetch the first 5 messages (indexes 0 through 4), full bodies, leaving them on the server.
'  keepOnServer=1, headersOnly=0 (fetch the entire message).
'  Note: numBodyLines only applies when headersOnly is 1 (it sets how many lines of the
'  body to include along with the headers).  When headersOnly is 0, the entire message
'  is fetched and numBodyLines is ignored.
Dim bundle As New ChilkatEmailBundle

success = mailman.FetchRange(1,0,0,0,4,bundle)
If (success = 0) Then
    Debug.Print mailman.LastErrorText
    Exit Sub
End If

Dim n As Long
n = bundle.MessageCount
Debug.Print "Fetched " & n & " messages."

Dim email As New ChilkatEmail
Dim i As Long
For i = 0 To n - 1
    success = bundle.EmailAt(i,email)
    Debug.Print email.Subject
Next

'  Note: Explicitly connecting/authenticating is optional.  Chilkat MailMan automatically
'  connects and authenticates -- using the property settings above -- whenever a server
'  operation requires it.  Calling the explicit connect/authenticate methods can still be
'  helpful to determine whether a failure occurs while connecting or while authenticating.