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(VB.NET) Scan for Emails with Attachments and Save Attachments to FilesScan for emails with attachments and save attachments. Note: This example requires Chilkat v11.0.0 or greater.
Dim success As Boolean = False ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. Dim imap As New Chilkat.Imap ' Connect to an IMAP server. ' Use TLS imap.Ssl = True imap.Port = 993 success = imap.Connect("imap.example.com") If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' Login success = imap.Login("myLogin","myPassword") If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' Select an IMAP mailbox success = imap.SelectMailbox("Inbox") If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' We can choose to fetch UIDs or sequence numbers. Dim fetchUids As Boolean = True ' Get the message IDs of all the emails in the mailbox Dim messageSet As New Chilkat.MessageSet success = imap.QueryMbx("ALL",fetchUids,messageSet) If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' Fetch the email headers into a bundle object: Dim bundle As New Chilkat.EmailBundle Dim headersOnly As Boolean = True success = imap.FetchMsgSet(headersOnly,messageSet,bundle) If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' Scan for emails with attachments, and save the attachments ' to a sub-directory. Dim fullEmail As New Chilkat.Email Dim emailHeader As New Chilkat.Email Dim i As Integer = 0 While i < bundle.MessageCount ' The bundle contains email headers.. bundle.EmailAt(i,emailHeader) ' Does this email have attachments? ' Use GetMailNumAttach because the attachments ' are not actually in the email object because ' we only downloaded headers. Dim numAttach As Integer = imap.GetMailNumAttach(emailHeader) If (numAttach > 0) Then ' Download the entire email and save the ' attachments. (Remember, we ' need to download the entire email because ' only the headers were previously downloaded. ' The ckx-imap-uid header field is added when ' headers are downloaded. This makes it possible ' to get the UID from the email object. Dim uidStr As String = emailHeader.GetHeaderField("ckx-imap-uid") Dim uid As Integer = Convert.toInt32(uidStr) success = imap.FetchEmail(False,uid,True,fullEmail) If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If success = fullEmail.SaveAllAttachments("attachmentsDir") Dim j As Integer For j = 0 To numAttach - 1 Dim filename As String = imap.GetMailAttachFilename(emailHeader,j) Debug.WriteLine(filename) Next End If i = i + 1 End While ' Disconnect from the IMAP server. success = imap.Disconnect() |
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