(.NET Core C#) 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.

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

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

Chilkat.Email email = null;

int uid = 2014;
bool isUid = true;

email = imap.FetchSingle(uid,isUid);
if (imap.LastMethodSuccess == true) {

    // 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:
    int j;
    for (j = 0; j <= email.NumTo - 1; j++) {
        Debug.WriteLine(email.GetToName(j) + ", " + email.GetToAddr(j));
    }

    for (j = 0; j <= email.NumCC - 1; j++) {
        Debug.WriteLine(email.GetCcName(j) + ", " + email.GetCcAddr(j));
    }

    // Show the total size of the email, including body and attachments:
    Debug.WriteLine(Convert.ToString(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:
    int numAttach = imap.GetMailNumAttach(email);
    Debug.WriteLine(Convert.ToString(numAttach));

    for (j = 0; j <= numAttach - 1; j++) {
        Debug.WriteLine(imap.GetMailAttachFilename(email,j));
        int attachSize = imap.GetMailAttachSize(email,j);
        Debug.WriteLine("    size = " + Convert.ToString(attachSize) + " bytes");
    }

    Debug.WriteLine("--");

}

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