(Unicode C++) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

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#include <CkImapW.h>
#include <CkMessageSetW.h>
#include <CkEmailBundleW.h>
#include <CkEmailW.h>

void ChilkatSample(void)
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkImapW imap;

    // Connect to an IMAP server.
    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    bool success = imap.Connect(L"imap.someMailServer.com");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Login
    success = imap.Login(L"admin@chilkatsoft.com",L"myPassword");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox(L"Inbox");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    CkMessageSetW *messageSet = 0;
    bool fetchUids = true;

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

    // Get the set of unseen message UIDs
    messageSet = imap.Search(notSeenSearch,fetchUids);
    if (imap.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Fetch the unseen emails into a bundle object:
    CkEmailBundleW *bundle = 0;
    bundle = imap.FetchBundle(*messageSet);
    if (imap.get_LastMethodSuccess() == false) {
        delete messageSet;
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

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

        wprintf(L"%s\n",email->getHeaderField(L"Date"));
        wprintf(L"%s\n",email->subject());
        wprintf(L"%s\n",email->ck_from());
        wprintf(L"--\n");

        delete email;
        i = i + 1;
    }

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

    delete messageSet;
    delete bundle;
    }