(MFC) Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one).

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("myLogin","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;
    // We can choose to fetch UIDs or sequence numbers.
    bool fetchUids = true;
    // Get the message IDs of all the emails in the mailbox
    messageSet = imap.Search("ALL",fetchUids);
    if (imap.get_LastMethodSuccess() == false) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Fetch the 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;
    }

    // To mark a complete set of emails for deletion, call SetFlags:
    success = imap.SetFlags(*messageSet,"Deleted",1);
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Messages can also be marked for deletion individually:
    // Loop over the bundle and mark each message for deletion.
    int i = 0;
    int numEmails = bundle->get_MessageCount();
    while (i < numEmails) {
        CkEmail *email = bundle->GetEmail(i);
        strOut.append(email->ck_from());
        strOut.append("\r\n");
        strOut.append(email->subject());
        strOut.append("\r\n");

        // To delete this email, set the "Deleted" flag to 1.
        // The email is not actually deleted until Expunge or
        // ExpungeAndClose is called.
        success = imap.SetMailFlag(*email,"Deleted",1);
        if (success != true) {
            strOut.append(imap.lastErrorText());
            strOut.append("\r\n");
            SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
            return;
        }

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

        i = i + 1;
    }

    success = imap.ExpungeAndClose();
    if (success != true) {
        strOut.append(imap.lastErrorText());
        strOut.append("\r\n");
        delete messageSet;
        delete bundle;
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    delete messageSet;
    delete bundle;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }