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(Unicode C++) Fetch 1st N Headers of Search ResultsCalls Search to get a message set, then downloads the 1st N messages in the message set. There are two equivalent ways of doing it: (1) iterate from 0 to N-1 and download each message individually, or (2) create a new message set that contains the 1st N messages and pass it to FetchHeaders. Both are demonstrated here. Note: This example requires Chilkat v11.0.0 or greater.
#include <CkImapW.h> #include <CkMessageSetW.h> #include <CkEmailW.h> void ChilkatSample(void) { bool success = false; // This example assumes 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); success = imap.Connect(L"imap.example.com"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Login success = imap.Login(L"****",L"****"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Select an IMAP mailbox success = imap.SelectMailbox(L"Inbox"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Get the message IDs of all the emails in the mailbox // We can choose to fetch UIDs or sequence numbers. bool fetchUids = true; CkMessageSetW messageSet; success = imap.QueryMbx(L"ALL",fetchUids,messageSet); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } int numFound = messageSet.get_Count(); if (numFound == 0) { wprintf(L"No messages found.\n"); return; } // Get the 1st 10 messages in messageSet. int upperBound = 10; if (numFound < upperBound) { upperBound = numFound; } int i = 0; bool bUid = messageSet.get_HasUids(); bool headerOnly = true; CkEmailW email; while (i < upperBound) { success = imap.FetchEmail(headerOnly,messageSet.GetId(i),bUid,email); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } wprintf(L"%d: %s\n",i,email.subject()); i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); } |
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