(Unicode C++) Fetch Single Email by UID or Sequence Number

Assuming the UID is known, download a single email by UID from an IMAP mail server.

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

void ChilkatSample(void)
    {
    // This example requires 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;
    }

    CkEmailW *email = 0;

    int uid = 2014;
    bool isUid = true;

    email = imap.FetchSingle(uid,isUid);
    if (imap.get_LastMethodSuccess() == true) {

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

        // Display the Body property, which is the default body.
        // If an email has an HTML body, the Body property contains
        // the HTML source.  Otherwise it contains the plain-text
        // body.
        wprintf(L"---- EMAIL BODY ----\n");
        wprintf(L"%s\n",email->body());
        wprintf(L"--------------------\n");

        // 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);
        wprintf(L"%d\n",numAttach);

        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;
    }

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