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MFC Examples

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(MFC) Fetch Oldest/Newest IMAP Email

Emails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number.

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 assumes 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("mail.testemail.net");
    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;
    }

    // After selecting a mailbox, the NumMessages property
    // contains the number of emails in the selected mailbox.
    int n;
    n = imap.get_NumMessages();

    if (n > 0) {

        // The oldest email is always at sequence number 1.
        bool isUid = false;

        CkEmail *oldestEmail = 0;
        oldestEmail = imap.FetchSingle(1,isUid);
        if (imap.get_LastMethodSuccess() == true) {

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

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

        // The newest email is at sequence number N:
        CkEmail *newestEmail = 0;
        newestEmail = imap.FetchSingle(n,isUid);
        if (imap.get_LastMethodSuccess() == true) {

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

            delete newestEmail;
        }

    }

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


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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