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(.NET Core C#) Fetch 1st N Headers of Search ResultsCalls Search to get a message set, then downloads the 1st N messages in the message set. There are two equivalent ways of doing it: (1) iterate from 0 to N-1 and download each message individually, or (2) create a new message set that contains the 1st N messages and pass it to FetchHeaders. Both are demonstrated here. Note: This example requires Chilkat v11.0.0 or greater.
bool success = false; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Imap imap = new Chilkat.Imap(); // Connect to an IMAP server. // Use TLS imap.Ssl = true; imap.Port = 993; success = imap.Connect("imap.example.com"); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } // Login success = imap.Login("****","****"); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } // Select an IMAP mailbox success = imap.SelectMailbox("Inbox"); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } // Get the message IDs of all the emails in the mailbox // We can choose to fetch UIDs or sequence numbers. bool fetchUids = true; Chilkat.MessageSet messageSet = new Chilkat.MessageSet(); success = imap.QueryMbx("ALL",fetchUids,messageSet); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } int numFound = messageSet.Count; if (numFound == 0) { Debug.WriteLine("No messages found."); return; } // Get the 1st 10 messages in messageSet. int upperBound = 10; if (numFound < upperBound) { upperBound = numFound; } int i = 0; bool bUid = messageSet.HasUids; bool headerOnly = true; Chilkat.Email email = new Chilkat.Email(); while (i < upperBound) { success = imap.FetchEmail(headerOnly,messageSet.GetId(i),bUid,email); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } Debug.WriteLine(Convert.ToString(i) + ": " + email.Subject); i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); |
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