(C) Delete All IMAP Email

Demonstrates two ways to delete all email in a mailbox on an IMAP server.

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#include <C_CkImap.h>
#include <C_CkMessageSet.h>

void ChilkatSample(void)
    {
    HCkImap imap;
    BOOL success;
    HCkMessageSet messageSet;
    int i;
    int n;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    imap = CkImap_Create();

    // Turn on session logging:
    CkImap_putKeepSessionLog(imap,TRUE);

    // Connect to an IMAP server.
    // Use TLS
    CkImap_putSsl(imap,TRUE);
    CkImap_putPort(imap,993);
    success = CkImap_Connect(imap,"imap.someMailServer.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Login
    success = CkImap_Login(imap,"myLogin","myPassword");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Select an IMAP mailbox
    success = CkImap_SelectMailbox(imap,"Inbox.RubyMail");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Get the complete set of Uids for email in the selected mailbox.
    messageSet = CkImap_GetAllUids(imap);
    if (CkImap_getLastMethodSuccess(imap) != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Set the Deleted flag for each message.
    // (ExpungeAndClose must be called to finalize the delete.)
    success = CkImap_SetFlags(imap,messageSet,"Deleted",1);
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Alternatively, the Deleted flag may be set for each UID
    // individiually, but this is less efficient:

    n = CkMessageSet_getCount(messageSet);
    for (i = 0; i <= n - 1; i++) {
        success = CkImap_SetFlag(imap,CkMessageSet_GetId(messageSet,i),CkMessageSet_getHasUids(messageSet),"Deleted",1);
        if (success != TRUE) {
            printf("%s\n",CkImap_lastErrorText(imap));
            CkImap_Dispose(imap);
            return;
        }

    }

    // Expunge and close the mailbox.
    success = CkImap_ExpungeAndClose(imap);
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Display the session log.
    printf("%s\n",CkImap_sessionLog(imap));

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

    CkMessageSet_Dispose(messageSet);


    CkImap_Dispose(imap);

    }