Copy an Email from One Mailbox to Another

Copies an email from one IMAP folder to another. After running this example, copies of the email will be present in both source and destination folders.

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'  This example copies an email from one mailbox to another.
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

'  Turn on session logging:
imap.KeepSessionLog = 1

'  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("***","***")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

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

Dim messageSet As MessageSet
Dim fetchUids As Long
fetchUids = 1

'  Get the message IDs for all emails having "Re:" in the subject.
Set messageSet = imap.Search("SUBJECT Re:",fetchUids)
If (messageSet Is Nothing ) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Copy the messages from "Inbox.testing.a" to "Inbox.testing.b" in one call to CopyMultiple:
success = imap.CopyMultiple(messageSet,"Inbox.testing.b")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Alternatively, loop over each message in the set and
'  copy each separately:
Dim i As Long
Dim n As Long
n = messageSet.Count
If (n > 0) Then
    For i = 0 To n - 1
        Dim msgId As Long
        msgId = messageSet.GetId(i)
        Dim isUid As Long
        isUid = messageSet.HasUids
        success = imap.Copy(msgId,isUid,"Inbox.testing.c")
        If (success <> 1) Then
            MsgBox imap.LastErrorText
            Exit Sub
        End If

    Next
End If

'  Display the session log.
Text1.Text = Text1.Text & imap.SessionLog & vbCrLf

'  Disconnect from the IMAP server.
imap.Disconnect