(Xojo Plugin) Fetch Oldest/Newest IMAP Email

Emails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number.

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

// This example assumes 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
Dim success As Boolean
success = imap.Connect("mail.testemail.net")
If (success <> True) Then
    System.DebugLog(imap.LastErrorText)
    Return
End If

// Login
success = imap.Login("***","***")
If (success <> True) Then
    System.DebugLog(imap.LastErrorText)
    Return
End If

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

// After selecting a mailbox, the NumMessages property
// contains the number of emails in the selected mailbox.
Dim n As Int32
n = imap.NumMessages

If (n > 0) Then

    // The oldest email is always at sequence number 1.
    Dim isUid As Boolean
    isUid = False

    Dim oldestEmail As Chilkat.Email
    oldestEmail = imap.FetchSingle(1,isUid)
    If (imap.LastMethodSuccess = True) Then

        // Display the From and Subject
        System.DebugLog(oldestEmail.FromAddress)
        System.DebugLog(oldestEmail.Subject)

        System.DebugLog("--")

    End If

    // The newest email is at sequence number N:
    Dim newestEmail As Chilkat.Email
    newestEmail = imap.FetchSingle(n,isUid)
    If (imap.LastMethodSuccess = True) Then

        // Display the From and Subject
        System.DebugLog(newestEmail.FromAddress)
        System.DebugLog(newestEmail.Subject)

    End If

End If

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