(Unicode C++) Imap.GetMailSize vs Email.Size

Shows how to get the total size of an email, as well as the sizes of the attachments. This can be done when either full-emails or headers-only are downloaded.

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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"****",L"****");
    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;
    // 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(L"ALL",fetchUids);
    if (imap.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // When downloading headers, each email object contains
    // (obviously) the headers, but the body will be missing.
    // Also, attachments will not be included.  However, it is
    // possible to get information about the attachments
    // as well as the complete size of the email.
    CkEmailBundleW *bundle = 0;
    bundle = imap.FetchHeaders(*messageSet);
    if (imap.get_LastMethodSuccess() == false) {
        delete messageSet;
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Loop over the email objects and display information
    // about each:
    int i = 0;
    int numEmails = bundle->get_MessageCount();
    while (i < numEmails) {
        CkEmailW *email = 0;
        email = bundle->GetEmail(i);

        // Display the From and Subject
        wprintf(L"%s\n",email->ck_from());
        wprintf(L"%s\n",email->subject());

        // Display the recipients:
        int j;
        for (j = 0; j <= email->get_NumTo() - 1; j++) {
            wprintf(L"%s, %s\n",email->getToName(j),email->getToAddr(j));
        }

        for (j = 0; j <= email->get_NumCC() - 1; j++) {
            wprintf(L"%s, %s\n",email->getCcName(j),email->getCcAddr(j));
        }

        // Show the total size of the email, including body and attachments:
        wprintf(L"%d\n",email->get_Size());

        // When a full email is downloaded, we would use the
        // email.NumAttachments property in conjunction with the
        // email.GetMailAttach* methods.
        // However, when an email object contains only the header,
        // we need to access the attachment info differently:
        int numAttach = imap.GetMailNumAttach(*email);
        for (j = 0; j <= numAttach - 1; j++) {
            wprintf(L"%s\n",imap.getMailAttachFilename(*email,j));
            int attachSize = imap.GetMailAttachSize(*email,j);
            wprintf(L"    size = %d bytes\n",attachSize);
        }

        wprintf(L"--\n");
        delete email;

        i = i + 1;
    }

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

    delete messageSet;
    delete bundle;
    }