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Visual Basic 6.0 Examples

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(Visual Basic 6.0) Imap.GetMailSize vs Email.Size

Shows how to get the total size of an email, as well as the sizes of the attachments. This can be done when either full-emails or headers-only are downloaded.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Connect to an IMAP server.
' Use TLS
imap.Ssl = 1
imap.Port = 993
success = imap.Connect("imap.someMailServer.com")
If (success <> 1) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Login
success = imap.Login("****","****")
If (success <> 1) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success <> 1) Then
    Debug.Print 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 (imap.LastMethodSuccess = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' When downloading headers, each email object contains
' (obviously) the headers, but the body will be missing.
' Also, attachments will not be included.  However, it is
' possible to get information about the attachments
' as well as the complete size of the email.
Dim bundle As ChilkatEmailBundle
Set bundle = imap.FetchHeaders(messageSet)
If (imap.LastMethodSuccess = 0) Then

    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Loop over the email objects and display information
' about each:
Dim i As Long
i = 0
Dim numEmails As Long
numEmails = bundle.MessageCount
Do While i < numEmails
    Dim email As ChilkatEmail
    Set email = bundle.GetEmail(i)

    ' Display the From and Subject
    Debug.Print email.From
    Debug.Print email.Subject

    ' Display the recipients:
    Dim j As Long
    For j = 0 To email.NumTo - 1
        Debug.Print email.GetToName(j) & ", " & email.GetToAddr(j)
    Next
    For j = 0 To email.NumCC - 1
        Debug.Print email.GetCcName(j) & ", " & email.GetCcAddr(j)
    Next

    ' Show the total size of the email, including body and attachments:
    Debug.Print email.Size

    ' When a full email is downloaded, we would use the
    ' email.NumAttachments property in conjunction with the
    ' email.GetMailAttach* methods.
    ' However, when an email object contains only the header,
    ' we need to access the attachment info differently:
    Dim numAttach As Long
    numAttach = imap.GetMailNumAttach(email)
    For j = 0 To numAttach - 1
        Debug.Print imap.GetMailAttachFilename(email,j)
        Dim attachSize As Long
        attachSize = imap.GetMailAttachSize(email,j)
        Debug.Print "    size = " & attachSize & " bytes"
    Next

    Debug.Print "--"

    i = i + 1
Loop

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


 

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