(MFC) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

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

See Also: Using MFC CString in Chilkat

#include <CkImap.h>
#include <CkMessageSet.h>
#include <CkEmailBundle.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("imap.someMailServer.com");
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Login
    success = imap.Login("admin@chilkatsoft.com","myPassword");
    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;
    }

    CkMessageSet *messageSet = 0;
    bool fetchUids = true;

    // Find emails marked as seen or not already seen:
    const char *seenSearch = "SEEN";
    const char *notSeenSearch = "NOT SEEN";

    // Get the set of unseen message UIDs
    messageSet = imap.Search(notSeenSearch,fetchUids);
    if (imap.get_LastMethodSuccess() == false) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Fetch the unseen emails into a bundle object:
    CkEmailBundle *bundle = 0;
    bundle = imap.FetchBundle(*messageSet);
    if (imap.get_LastMethodSuccess() == false) {
        delete messageSet;
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Display the Subject and From of each email.
    int i = 0;
    int numEmails = bundle->get_MessageCount();
    while (i < numEmails) {
        CkEmail *email = bundle->GetEmail(i);

        strOut.append(email->getHeaderField("Date"));
        strOut.append("\r\n");
        strOut.append(email->subject());
        strOut.append("\r\n");
        strOut.append(email->ck_from());
        strOut.append("\r\n");
        strOut.append("--");
        strOut.append("\r\n");

        delete email;
        i = i + 1;
    }

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

    delete messageSet;
    delete bundle;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }