Delete Email Individually (One at a time) from an IMAP Mailbox

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Downloads email from an IMAP mailbox and deletes emails individually (one by one).

Dim imap As New ChilkatImap

Dim success As Long

'  Anything unlocks the component and begins a fully-functional 30-day trial.
success = imap.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Connect to an IMAP server.
success = imap.Connect("mail.chilkatsoft.com")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Login
success = imap.Login("myLogin","myPassword")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

Dim messageSet As MessageSet
'  We can choose to fetch UIDs or sequence numbers.
Dim fetchUids As Long
fetchUids = 1
'  Get the message IDs of all the emails in the mailbox
Set messageSet = imap.Search("ALL",fetchUids)
If (messageSet Is Nothing ) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Fetch the emails into a bundle object:
Dim bundle As ChilkatEmailBundle2
Set bundle = imap.FetchBundle(messageSet)
If (bundle Is Nothing ) Then

    MsgBox imap.LastErrorText
    Exit Sub
End If

'  To mark a complete set of emails for deletion, call SetFlags:
success = imap.SetFlags(messageSet,"Deleted",1)
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Messages can also be marked for deletion individually:
'  Loop over the bundle and mark each message for deletion.
Dim i As Long
For i = 0 To bundle.MessageCount - 1
    Dim email As ChilkatEmail2
    Set email = bundle.GetEmail(i)
    Text1.Text = Text1.Text & email.From & vbCrLf
    Text1.Text = Text1.Text & email.Subject & vbCrLf

    '  To delete this email, set the "Deleted" flag to 1.
    '  The email is not actually deleted until Expunge or
    '  ExpungeAndClose is called.
    success = imap.SetMailFlag(email,"Deleted",1)
    If (success <> 1) Then
        MsgBox imap.LastErrorText
        Exit Sub
    End If

    Text1.Text = Text1.Text & "--" & vbCrLf

Next

success = imap.ExpungeAndClose()
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Disconnect from the IMAP server.
imap.Disconnect