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(VB.NET) Fetch Single Email by UID or Sequence Number

Assuming the UID is known, download a single email by UID from an IMAP mail server.

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' 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
Dim success As Boolean = imap.Connect("imap.someMailServer.com")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


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


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



Dim email As Chilkat.Email

Dim uid As Integer = 2014
Dim isUid As Boolean = True

email = imap.FetchSingle(uid,isUid)
If (imap.LastMethodSuccess = True) Then

    ' Display the From and Subject
    Debug.WriteLine(email.FromAddress)
    Debug.WriteLine(email.Subject)

    ' Display the Body property, which is the default body.
    ' If an email has an HTML body, the Body property contains
    ' the HTML source.  Otherwise it contains the plain-text
    ' body.
    Debug.WriteLine("---- EMAIL BODY ----")
    Debug.WriteLine(email.Body)
    Debug.WriteLine("--------------------")

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

    ' Show the total size of the email, including body and attachments:
    Debug.WriteLine(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 Integer = imap.GetMailNumAttach(email)
    Debug.WriteLine(numAttach)

    For j = 0 To numAttach - 1
        Debug.WriteLine(imap.GetMailAttachFilename(email,j))
        Dim attachSize As Integer = imap.GetMailAttachSize(email,j)
        Debug.WriteLine("    size = " & attachSize & " bytes")
    Next

    Debug.WriteLine("--")

End If


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

 

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