Fetch a Range of POP3 Messages

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Demonstrates the Chilkat MailMan.FetchRange method, which retrieves a range of messages from the POP3 mailbox and appends them to an EmailBundle. The arguments are keepOnServer, headersOnly, numBodyLines, a zero-based inclusive startIndex and endIndex, and the EmailBundle. This example fetches the first five messages.

#include <C_CkMailMan.h>
#include <C_CkEmailBundle.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkMailMan mailman;
    HCkEmailBundle bundle;
    int n;
    HCkEmail email;
    int i;

    success = FALSE;

    //  Demonstrates the MailMan.FetchRange method, which retrieves a range of messages from the
    //  POP3 mailbox and appends them to an EmailBundle.  The arguments are keepOnServer,
    //  headersOnly, numBodyLines, startIndex, endIndex, and the EmailBundle.  The indexes are
    //  zero-based and inclusive.

    mailman = CkMailMan_Create();

    //  Configure the POP3 server connection.
    CkMailMan_putMailHost(mailman,"pop.example.com");
    CkMailMan_putMailPort(mailman,995);
    CkMailMan_putPopSsl(mailman,TRUE);
    CkMailMan_putPopUsername(mailman,"user@example.com");
    CkMailMan_putPopPassword(mailman,"myPassword");

    //  Fetch the first 5 messages (indexes 0 through 4), full bodies, leaving them on the server.
    //  keepOnServer=TRUE, headersOnly=FALSE (fetch the entire message).
    //  Note: numBodyLines only applies when headersOnly is TRUE (it sets how many lines of the
    //  body to include along with the headers).  When headersOnly is FALSE, the entire message
    //  is fetched and numBodyLines is ignored.
    bundle = CkEmailBundle_Create();

    success = CkMailMan_FetchRange(mailman,TRUE,FALSE,0,0,4,bundle);
    if (success == FALSE) {
        printf("%s\n",CkMailMan_lastErrorText(mailman));
        CkMailMan_Dispose(mailman);
        CkEmailBundle_Dispose(bundle);
        return;
    }

    n = CkEmailBundle_getMessageCount(bundle);
    printf("Fetched %d messages.\n",n);

    email = CkEmail_Create();

    for (i = 0; i <= n - 1; i++) {
        success = CkEmailBundle_EmailAt(bundle,i,email);
        printf("%s\n",CkEmail_subject(email));
    }

    //  Note: Explicitly connecting/authenticating is optional.  Chilkat MailMan automatically
    //  connects and authenticates -- using the property settings above -- whenever a server
    //  operation requires it.  Calling the explicit connect/authenticate methods can still be
    //  helpful to determine whether a failure occurs while connecting or while authenticating.


    CkMailMan_Dispose(mailman);
    CkEmailBundle_Dispose(bundle);
    CkEmail_Dispose(email);

    }