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(Unicode C++) Imap.GetMailSize vs Email.SizeShows how to get the total size of an email, as well as the sizes of the attachments. This can be done when either full-emails or headers-only are downloaded. Note: This example requires Chilkat v11.0.0 or greater.
#include <CkImapW.h> #include <CkMessageSetW.h> #include <CkEmailBundleW.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.someMailServer.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; } // When downloading headers, each email object contains // (obviously) the headers, but the body will be missing. // Attachments will not be included. However, it is // possible to get information about the attachments // as well as the complete size of the email. CkEmailBundleW bundle; bool headersOnly = true; success = imap.FetchMsgSet(headersOnly,messageSet,bundle); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Loop over the email objects and display information about each: CkEmailW email; int i = 0; int j = 0; int numEmails = bundle.get_MessageCount(); while (i < numEmails) { bundle.EmailAt(i,email); // Display the From and Subject wprintf(L"%s\n",email.ck_from()); wprintf(L"%s\n",email.subject()); // Display the recipients: j = 0; while (j < email.get_NumTo()) { wprintf(L"TO: %s, %s\n",email.getToName(j),email.getToAddr(j)); j = j + 1; } j = 0; while (j < email.get_NumCC()) { wprintf(L"CC: %s, %s\n",email.getCcName(j),email.getCcAddr(j)); j = j + 1; } // Show the total size of the email, including body and attachments: wprintf(L"%d\n",email.get_Size()); // When a full email is downloaded, we would use the // email.NumAttachments property in conjunction with the // email.GetMailAttach* methods. // However, when an email object contains only the header, // we need to access the attachment info differently: int numAttach = imap.GetMailNumAttach(email); j = 0; while (j < numAttach) { wprintf(L"%s\n",imap.getMailAttachFilename(email,j)); int attachSize = imap.GetMailAttachSize(email,j); wprintf(L" size = %d bytes\n",attachSize); j = j + 1; } wprintf(L"--\n"); i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); } |
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