(Xojo Plugin) Scan for Emails with Attachments and Save Attachments to Files

Scan for emails with attachments and save attachments.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

Dim success As Boolean
success = 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
    System.DebugLog(imap.LastErrorText)
    Return
End If

// Login
success = imap.Login("myLogin","myPassword")
If (success = False) Then
    System.DebugLog(imap.LastErrorText)
    Return
End If

// Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success = False) Then
    System.DebugLog(imap.LastErrorText)
    Return
End If

// We can choose to fetch UIDs or sequence numbers.
Dim fetchUids As Boolean
fetchUids = 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
    System.DebugLog(imap.LastErrorText)
    Return
End If

// Fetch the email headers into a bundle object:
Dim bundle As New Chilkat.EmailBundle
Dim headersOnly As Boolean
headersOnly = True
success = imap.FetchMsgSet(headersOnly,messageSet,bundle)
If (success = False) Then
    System.DebugLog(imap.LastErrorText)
    Return
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 Int32
i = 0
While i < bundle.MessageCount
    // The bundle contains email headers..
    success = 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 Int32
    numAttach = 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
        uidStr = emailHeader.GetHeaderField("ckx-imap-uid")
        Dim uid As Int32
        uid = Val(uidStr)

        success = imap.FetchEmail(False,uid,True,fullEmail)
        If (success = False) Then
            System.DebugLog(imap.LastErrorText)
            Return
        End If

        success = fullEmail.SaveAllAttachments("attachmentsDir")

        Dim j As Int32
        For j = 0 To numAttach - 1
            Dim filename As String
            filename = imap.GetMailAttachFilename(emailHeader,j)
            System.DebugLog(filename)
        Next

    End If

    i = i + 1
Wend

// Disconnect from the IMAP server.
success = imap.Disconnect()