(.NET Core C#) Copy an Email from One Mailbox to Another

Copies an email from one IMAP folder to another. After running this example, copies of the email will be present in both source and destination folders.

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example copies an email from one mailbox to another.
Chilkat.Imap imap = new Chilkat.Imap();

// Turn on session logging:
imap.KeepSessionLog = true;

// 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("***","***");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Select an IMAP mailbox
success = imap.SelectMailbox("Inbox.testing.a");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

Chilkat.MessageSet messageSet = null;
bool fetchUids = true;

// Get the message IDs for all emails having "Re:" in the subject.
messageSet = imap.Search("SUBJECT Re:",fetchUids);
if (imap.LastMethodSuccess != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Copy the messages from "Inbox.testing.a" to "Inbox.testing.b" in one call to CopyMultiple:
success = imap.CopyMultiple(messageSet,"Inbox.testing.b");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Alternatively, loop over each message in the set and
// copy each separately:
int i;
int n;
n = messageSet.Count;
if (n > 0) {
    for (i = 0; i <= n - 1; i++) {
        int msgId = messageSet.GetId(i);
        bool isUid = messageSet.HasUids;
        success = imap.Copy(msgId,isUid,"Inbox.testing.c");
        if (success != true) {
            Debug.WriteLine(imap.LastErrorText);
            return;
        }

    }

}

// Display the session log.
Debug.WriteLine(imap.SessionLog);

// Disconnect from the IMAP server.
success = imap.Disconnect();