(Unicode C++) IMAP Capability

Demonstrates how to send the CAPABILITY command to request a listing of capabilities that the IMAP server supports. A capability name which begins with "AUTH=" indicates that the server supports that particular authentication mechanism.

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#include <CkImapW.h>

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

    CkImapW imap;

    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    bool success = imap.Connect(L"MY-IMAP-DOMAIN");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Authenticate
    success = imap.Login(L"MY-IMAP-LOGIN",L"MY-IMAP-PASSWORD");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Get the list of capabilities:
    const wchar_t *caps = imap.capability();
    wprintf(L"Capabilities: %s\n",caps);

    // Here is an example of the string returned:
    // * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 
    // UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT APPENDLIMIT=35882577
    // LIST-EXTENDED LIST-STATUS

    // Chilkat v9.5.0.58 introduces the HasCapability method to
    // check to see if a particular capability exists:
    if (imap.HasCapability(L"QUOTA",caps) == true) {
        wprintf(L"IMAP server supports the QUOTA extension.\n");
    }

    if (imap.HasCapability(L"IDLE",caps) == true) {
        wprintf(L"IMAP server supports IDLE.\n");
    }

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