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(VB.NET) How to Download Messages in MessageSet One at a TimeIf a message set contains a huge number of emails, it's NOT a good idea to try to download all at once into an email bundle using a method such as FetchBundle. It's better to iterate over the messages in the set to download one by one. Note: This example requires Chilkat v11.0.0 or greater.
Dim success As Boolean = False ' 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 using TLS. imap.Ssl = True imap.Port = 993 success = imap.Connect("imap.example.com") If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' Authenticate success = imap.Login("email_account_login","email_account_password") If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' Select an IMAP mailbox success = imap.SelectMailbox("Inbox") If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If ' Search for messages and return a set of matching messages. ' (This example will simply search for ALL messages.) Dim fetchUids As Boolean = True Dim messageSet As New Chilkat.MessageSet success = imap.QueryMbx("ALL",fetchUids,messageSet) If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If Debug.WriteLine("Number of messages = " & messageSet.Count) Dim email As New Chilkat.Email Dim i As Integer = 0 While i < messageSet.Count success = imap.FetchEmail(False,messageSet.GetId(i),fetchUids,email) If (success = False) Then Debug.WriteLine(imap.LastErrorText) Exit Sub End If Debug.WriteLine(email.From & "; " & email.Subject) i = i + 1 End While Debug.WriteLine("OK") |
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