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(Unicode C++) Determine the Number of Unseen Email MessagesDemonstrates how to determine how many unseen messages exist in an email account on an IMAP server.
#include <CkImapW.h> #include <CkMessageSetW.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; } // After selecting the mailbox. the total number of emails // is immediately available: int totalNum = imap.get_NumMessages(); wprintf(L"Num messages = %d\n",totalNum); // To determine the number of unseen messages, a call // to Search is required, which returns the set of UIDs // of all unseen messages. // We can choose to fetch UIDs or sequence numbers. bool fetchUids = true; CkMessageSetW *messageSet = imap.Search(L"UNSEEN",fetchUids); if (imap.get_LastMethodSuccess() == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } unsigned long numUnseen = messageSet->get_Count(); wprintf(L"%u\n",numUnseen); wprintf(L"UIDs ----\n"); // Display the UIDs int i = 0; while (i < messageSet->get_Count()) { wprintf(L"%u\n",messageSet->GetId(i)); i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); delete messageSet; } |
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