(MFC) Move Selected Emails to another Mailbox Folder

Downloads emails one by one in a selected mailbox, decides which emails are to be moved, and then moves the set of messages to another mailbox folder.

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

See Also: Using MFC CString in Chilkat

#include <CkImap.h>
#include <CkMessageSet.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("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;
    }

    // Normally, when an email is downloaded, its "Seen" flag is automatically set.
    // We don't want our program to be interfering with the "Seen" flags.
    // To do this, set the PeekMode to true.
    imap.put_PeekMode(true);

    // After selecting the mailbox, the NumMessages property
    // will contain the number of emails in the mailbox.
    // When sequence numbers (not UIDs) are used to reference emails,
    // they range from 1 to N, where N is the number of messages in the mailbox.
    // This example will download the headers by sequence numbers.
    int numEmails = imap.get_NumMessages();

    CkMessageSet mset;

    // Indicate that mset contains sequence numbers, not UIDs.
    mset.put_HasUids(false);

    // Fetch each email and decide for each if it is to be moved
    // to a particular other mailbox.  If so, we'll add the sequence number to
    // the mset, and then move all emails in the mset to the other mailbox.
    int i = 0;
    while (i < numEmails) {
        // Fetch the email by sequence number.
        CkEmail *email = imap.FetchSingle(i + 1,false);
        if (imap.get_LastMethodSuccess() != true) {
            strOut.append(imap.lastErrorText());
            strOut.append("\r\n");
            SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
            return;
        }

        // If it is decided to move the email, add the sequence number to mset, like this:
        mset.InsertId(i + 1);

        delete email;
    }

    // If there are emails in mset to be moved, then do it..
    if (mset.get_Count() > 0) {
        const char *destFolder = "Inbox/SomeOtherFolder";
        // Assuming your IMAP server supports the feature that allows for messages to be moved to another folder...
        success = imap.MoveMessages(mset,destFolder);
        if (success != true) {
            strOut.append(imap.lastErrorText());
            strOut.append("\r\n");
            SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
            return;
        }

    }

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


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }