(MFC) Fetch Single Email by UID or Sequence Number

Assuming the UID is known, download a single email by UID from an IMAP mail server.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

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

void ChilkatSample(void)
    {
    CkString strOut;

    // 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);
    bool success = imap.Connect("imap.someMailServer.com");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Login
    success = imap.Login("***","***");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkEmail *email = 0;

    int uid = 2014;
    bool isUid = true;

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

        // Display the From and Subject
        strOut.append(email->fromAddress());
        strOut.append("\r\n");
        strOut.append(email->subject());
        strOut.append("\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.
        strOut.append("---- EMAIL BODY ----");
        strOut.append("\r\n");
        strOut.append(email->body());
        strOut.append("\r\n");
        strOut.append("--------------------");
        strOut.append("\r\n");

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

        for (j = 0; j <= email->get_NumCC() - 1; j++) {
            strOut.append(email->getCcName(j));
            strOut.append(", ");
            strOut.append(email->getCcAddr(j));
            strOut.append("\r\n");
        }

        // Show the total size of the email, including body and attachments:
        strOut.appendInt(email->get_Size());
        strOut.append("\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);
        strOut.appendInt(numAttach);
        strOut.append("\r\n");

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

        strOut.append("--");
        strOut.append("\r\n");
        delete email;
    }

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


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }