(Unicode C++) Transition from Imap.FetchChunk to Imap.FetchRange

Provides instructions for replacing deprecated FetchChunk method calls with FetchRange.

Note: This example requires Chilkat v11.0.0 or greater.

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#include <CkImapW.h>
#include <CkMessageSetW.h>
#include <CkEmailBundleW.h>

void ChilkatSample(void)
    {
    CkImapW imap;

    // ...
    // ...

    int startSeqNum = 1;
    int count = 5;

    CkMessageSetW failedSet;
    CkMessageSetW fetchedSet;

    // ------------------------------------------------------------------------
    // The FetchChunk method is deprecated:

    CkEmailBundleW *bundleObj = imap.FetchChunk(startSeqNum,count,failedSet,fetchedSet);
    if (imap.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // ...
    // ...

    delete bundleObj;

    // ------------------------------------------------------------------------
    // Do the equivalent using FetchRange.
    // Your application creates a new, empty EmailBundle object which is passed 
    // in the last argument and filled upon success.

    bool headersOnly = false;

    CkEmailBundleW bundleOut;
    bool success = imap.FetchRange(headersOnly,startSeqNum,count,bundleOut);
    if (success == false) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }
    }