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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Download Chilkat .NET for 1.0 / 1.1 Framework

Chilkat.Imap imap = new Chilkat.Imap();

bool success;

//  Anything unlocks the component and begins a fully-functional 30-day trial.
success = imap.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show(imap.LastErrorText);
    return;
}

//  Connect to an IMAP server.
success = imap.Connect("mail.chilkatsoft.com");
if (success != true) {
    MessageBox.Show(imap.LastErrorText);
    return;
}

//  Login
success = imap.Login("***","***");
if (success != true) {
    MessageBox.Show(imap.LastErrorText);
    return;
}

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

Chilkat.Email email;

int uid;
uid = 2014;
bool isUid;
isUid = true;

email = imap.FetchSingle(uid,isUid);
if (!(email == null )) {

    //  Display the From and Subject
    textBox1.Text += email.FromAddress + "\r\n";
    textBox1.Refresh();
    textBox1.Text += email.Subject + "\r\n";
    textBox1.Refresh();

    //  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.
    textBox1.Text += "---- EMAIL BODY ----" + "\r\n";
    textBox1.Refresh();
    textBox1.Text += email.Body + "\r\n";
    textBox1.Refresh();
    textBox1.Text += "--------------------" + "\r\n";
    textBox1.Refresh();

    //  Display the recipients:
    int j;
    for (j = 0; j <= email.NumTo - 1; j++) {
        textBox1.Text += email.GetToName(j) + ", "
             + email.GetToAddr(j) + "\r\n";
        textBox1.Refresh();
    }

    for (j = 0; j <= email.NumCC - 1; j++) {
        textBox1.Text += email.GetCcName(j) + ", "
             + email.GetCcAddr(j) + "\r\n";
        textBox1.Refresh();
    }

    //  Show the total size of the email, including body and attachments:
    textBox1.Text += email.Size + "\r\n";
    textBox1.Refresh();

    //  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;
    numAttach = imap.GetMailNumAttach(email);
    textBox1.Text += Convert.ToString(numAttach) + "\r\n";
    textBox1.Refresh();

    for (j = 0; j <= numAttach - 1; j++) {
        textBox1.Text += imap.GetMailAttachFilename(email,j) + "\r\n";
        textBox1.Refresh();
        int attachSize;
        attachSize = imap.GetMailAttachSize(email,j);
        textBox1.Text += "    size = " + Convert.ToString(attachSize)
             + " bytes" + "\r\n";
        textBox1.Refresh();
    }

    textBox1.Text += "--" + "\r\n";
    textBox1.Refresh();

}

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