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(C#) Mark IMAP Email as Read/Unread (Seen/Unseen)Demonstrates how to mark emails as read or unread.
// 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; bool success = imap.Connect("imap.someMailServer.com"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // Login success = imap.Login("myLogin","myPassword"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // Select an IMAP mailbox success = imap.SelectMailbox("Inbox"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // Set PeekMode so that downloaded messages are not // automatically marked as seen. imap.PeekMode = true; // The NumMessages property contains the number of messages // in the currently selected mailbox. int numMsgs = imap.NumMessages; if (numMsgs == 0) { return; } int i; for (i = 1; i <= numMsgs; i++) { // Download each email by sequence number (not UID) Chilkat.Email email = null; email = imap.FetchSingle(i,false); if (imap.LastMethodSuccess == false) { Debug.WriteLine(imap.LastErrorText); return; } // If desired, mark the email as SEEN. There are two // ways to do it: // 1) Set the flag directly by using the sequence number // Indicate that we are passing a sequence number and // not a UID: bool bIsUid = false; // Set the SEEN flag = 1 to mark the email as SEEN, // or set it to 0 to mark it as not-seen. success = imap.SetFlag(i,bIsUid,"SEEN",1); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // 2) Alternatively, we can use the email object. // When an email is downloaded from the IMAP server // Chilkat will add a "ckx-imap-uid" header to the email. // This makes it possible to know the UID associated with // the email. (This is not the sequence number, which may change // from session to session, but the UID which does not change. // The SetMailFlag method is identical to SetFlag, except // it gets the UID from the ckx-imap-uid header. // For example: success = imap.SetMailFlag(email,"SEEN",1); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } } // Disconnect from the IMAP server. success = imap.Disconnect(); |
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