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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.
#include <C_CkImapW.h> #include <C_CkMessageSetW.h> #include <C_CkEmailBundleW.h> #include <C_CkEmailW.h> void ChilkatSample(void) { HCkImapW imap; BOOL success; HCkMessageSetW messageSet; BOOL fetchUids; HCkEmailBundleW bundle; int i; int numEmails; HCkEmailW email; int j; int numAttach; int attachSize; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. imap = CkImapW_Create(); // Connect to an IMAP server. // Use TLS CkImapW_putSsl(imap,TRUE); CkImapW_putPort(imap,993); success = CkImapW_Connect(imap,L"imap.someMailServer.com"); if (success != TRUE) { wprintf(L"%s\n",CkImapW_lastErrorText(imap)); CkImapW_Dispose(imap); return; } // Login success = CkImapW_Login(imap,L"****",L"****"); if (success != TRUE) { wprintf(L"%s\n",CkImapW_lastErrorText(imap)); CkImapW_Dispose(imap); return; } // Select an IMAP mailbox success = CkImapW_SelectMailbox(imap,L"Inbox"); if (success != TRUE) { wprintf(L"%s\n",CkImapW_lastErrorText(imap)); CkImapW_Dispose(imap); return; } // We can choose to fetch UIDs or sequence numbers. fetchUids = TRUE; // Get the message IDs of all the emails in the mailbox messageSet = CkImapW_Search(imap,L"ALL",fetchUids); if (CkImapW_getLastMethodSuccess(imap) == FALSE) { wprintf(L"%s\n",CkImapW_lastErrorText(imap)); CkImapW_Dispose(imap); return; } // When downloading headers, each email object contains // (obviously) the headers, but the body will be missing. // Also, attachments will not be included. However, it is // possible to get information about the attachments // as well as the complete size of the email. bundle = CkImapW_FetchHeaders(imap,messageSet); if (CkImapW_getLastMethodSuccess(imap) == FALSE) { CkMessageSetW_Dispose(messageSet); wprintf(L"%s\n",CkImapW_lastErrorText(imap)); CkImapW_Dispose(imap); return; } // Loop over the email objects and display information // about each: i = 0; numEmails = CkEmailBundleW_getMessageCount(bundle); while (i < numEmails) { email = CkEmailBundleW_GetEmail(bundle,i); // Display the From and Subject wprintf(L"%s\n",CkEmailW_ck_from(email)); wprintf(L"%s\n",CkEmailW_subject(email)); // Display the recipients: for (j = 0; j <= CkEmailW_getNumTo(email) - 1; j++) { wprintf(L"%s, %s\n",CkEmailW_getToName(email,j),CkEmailW_getToAddr(email,j)); } for (j = 0; j <= CkEmailW_getNumCC(email) - 1; j++) { wprintf(L"%s, %s\n",CkEmailW_getCcName(email,j),CkEmailW_getCcAddr(email,j)); } // Show the total size of the email, including body and attachments: wprintf(L"%d\n",CkEmailW_getSize(email)); // 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: numAttach = CkImapW_GetMailNumAttach(imap,email); for (j = 0; j <= numAttach - 1; j++) { wprintf(L"%s\n",CkImapW_getMailAttachFilename(imap,email,j)); attachSize = CkImapW_GetMailAttachSize(imap,email,j); wprintf(L" size = %d bytes\n",attachSize); } wprintf(L"--\n"); CkEmailW_Dispose(email); i = i + 1; } // Disconnect from the IMAP server. success = CkImapW_Disconnect(imap); CkMessageSetW_Dispose(messageSet); CkEmailBundleW_Dispose(bundle); CkImapW_Dispose(imap); } |
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