(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.

Note: This example requires Chilkat v11.0.0 or greater.

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#include <CkImap.h>
#include <CkEmail.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkImap imap;

    // Connect to an IMAP server.
    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    success = imap.Connect("imap.example.com");
    if (success == false) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    // Login
    success = imap.Login("***","***");
    if (success == false) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success == false) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    CkEmail email;

    int uid = 2014;
    bool isUid = true;

    success = imap.FetchEmail(false,uid,isUid,email);
    if (success == false) {
        std::cout << imap.lastErrorText() << "\r\n";
        return;
    }

    // Display the From and Subject
    std::cout << email.fromAddress() << "\r\n";
    std::cout << email.subject() << "\r\n";

    // 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.
    std::cout << "---- EMAIL BODY ----" << "\r\n";
    std::cout << email.body() << "\r\n";
    std::cout << "--------------------" << "\r\n";

    // Display the recipients:
    int j;
    for (j = 0; j <= email.get_NumTo() - 1; j++) {
        std::cout << email.getToName(j) << ", " << email.getToAddr(j) << "\r\n";
    }

    for (j = 0; j <= email.get_NumCC() - 1; j++) {
        std::cout << email.getCcName(j) << ", " << email.getCcAddr(j) << "\r\n";
    }

    // Show the total size of the email, including body and attachments:
    std::cout << email.get_Size() << "\r\n";

    // 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);
    std::cout << numAttach << "\r\n";

    for (j = 0; j <= numAttach - 1; j++) {
        std::cout << imap.getMailAttachFilename(email,j) << "\r\n";
        int attachSize = imap.GetMailAttachSize(email,j);
        std::cout << "    size = " << attachSize << " bytes" << "\r\n";
    }

    std::cout << "--" << "\r\n";

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