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copied!<p>Can your software require <a href="http://www.google.com/url?sa=t&source=web&cd=1&ved=0CBkQFjAA&url=http%3A%2F%2Fen.wikipedia.org%2Fwiki%2FMessaging_Application_Programming_Interface&rct=j&q=MAPI&ei=0XAjTcW9EoL_8AburuyGDg&usg=AFQjCNHSZEz14_X2416eQyqa2P1ttKmgCA&sig2=7uUEi1XrvAv21FHJdyFK9w&cad=rja" rel="nofollow">MAPI</a>? That's an interface that provides a fairly simple interface to whatever the user's installed as default email program is.</p> <p>If so, then you can use something like the following:</p> <pre><code>///////////////////////////////////////////////////////// // CMapiSendMessage // Allows for simplified message generation and transmission using Simple MAPI class CMapiSendMessage { public: // constant data enum RecipientType { FROM = MAPI_ORIG, TO = MAPI_TO, CC = MAPI_CC, BCC = MAPI_BCC }; // ctors CMapiSendMessage() { } // accessors CString GetSubject() const { return m_subject; } CString & GetMessage() { return m_message; } const CString & GetMessage() const { return m_message; } // setters void AddRecipient(RecipientType type, const CStringA & strName, const CStringA & strAddress = "") { m_recipients.push_back(Recipient(type, strName, strAddress)); } void SetSubject(const CString & strSubject) { m_subject = strSubject; } void SetMessage(const CString & strMessage) { m_message = strMessage; } void AddAttachment(const CFilename & filename) { m_attachments.push_back(filename.cstring()); } // actions ULONG Send(bool bShowDialog, HWND hwndParent); // send this message, show or don't show the user the message dialog // returns SUCCESS_SUCCESS if all went well // returns MAPI_USER_ABORT if user aborted the send // returns MAPI_E_LOGIN_FAILURE if unable to login to MAPI service (user login failed) ULONG AfxSend(bool bShowDialog, bool bShowError); // send message with special processing for an MFC application // set bShowError if you wish to automatically show standard MFC error messages if the send message failed protected: // types struct Recipient { RecipientType type; CStringA name; CStringA address; Recipient(RecipientType _type, const CStringA & _name, const CStringA & _address = "") : type(_type), name(_name), address(_address) { } // force default ctor to set type to zero (not random) Recipient() : type(FROM) { } }; typedef std::vector<Recipient> RecipientVector; typedef std::vector<CString> AttachmentVector; CMailAPI32 m_api; // MAPI interface RecipientVector m_recipients; // recipients (TO:, CC:, and BCC:) CString m_subject; // message subject CString m_message; // message body text AttachmentVector m_attachments; // file attachments }; </code></pre> <p>And the CPP half:</p> <pre><code>typedef std::vector<CMapiRecipDesc> MapiRecipDescVector; typedef std::vector<CMapiFileDesc> MapiFileDescVector; ////////////////////////////////////////////////////////////////////// // CMailAPI32 ////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////// // CMapiSendMessage ULONG CMapiSendMessage::Send(bool bShowDialog, HWND hwndParent) // send, show user interface - let them edit the message and have final choice in send/cancel { // save the cwd CPathname cwd(CPathname::GetCurrent()); // build the recipients array const size_t total_recipients = m_recipients.size(); MapiRecipDescVector recipients(total_recipients); for (size_t i = 0; i < total_recipients; ++i) { CMapiRecipDesc recipient; recipient.ulReserved = 0L; recipient.ulRecipClass = m_recipients[i].type; recipient.lpszName = const_cast<LPSTR>(GetPtrOrNull(m_recipients[i].name)); recipient.lpszAddress = const_cast<LPSTR>(GetPtrOrNull(m_recipients[i].address)); recipient.ulEIDSize = 0; recipient.lpEntryID = NULL; recipients[i] = recipient; } // build attachments array const size_t total_attachments = m_attachments.size(); MapiFileDescVector attachments(total_attachments); for (size_t j = 0; j < total_attachments; ++j) { CFilename filename(m_attachments[j]); if (!filename.Exists()) ThrowLabeledException(FString(_T("File does not exist: %s"), filename.c_str())); // get the fully specified path size_t size = filename.cstring().GetLength() + 1; attachments[j].lpszPathName = new char[size]; #ifdef _UNICODE _wcstombsz(attachments[j].lpszPathName, filename, size); #else lstrcpy(attachments[j].lpszPathName, filename); #endif // build an appropriate title for the attachment CString strTitle = filename.GetFullName(); size = strTitle.GetLength() + 1; attachments[j].lpszFileName = new char[size]; #ifdef _UNICODE _wcstombsz(attachments[j].lpszFileName, strTitle, size); #else lstrcpy(attachments[j].lpszFileName, strTitle); #endif // attachment not embedded in the mapi_msg text; attachments[j].nPosition = (ULONG)-1; } // prepare the mapi_msg MapiMessage mapi_msg = { 0, // reserved, must be 0 (LPSTR)GetPtrOrNull(m_subject), // subject (LPSTR)GetPtrOrNull(m_message), // body NULL, // NULL = interpersonal mapi_msg NULL, // no date; MAPISendMail ignores it NULL, // no conversation ID 0L, // no flags, MAPISendMail ignores it NULL, // no originator, this is ignored too total_recipients, // no. recipients total_recipients ? &recipients[0] : NULL, // array of recipients total_attachments, // no. attachments total_attachments ? &attachments[0] : NULL // array of attachments }; // send mail FLAGS flags = MAPI_LOGON_UI; BitSetIf(flags, MAPI_DIALOG, bShowDialog); ULONG nError = m_api.SendMail( NULL, // temporary session (ULONG)hwndParent, &mapi_msg, flags, 0 ); // delete the attachment filenames for (int k = total_attachments; k ; --k) { delete [] attachments[k-1].lpszPathName; delete [] attachments[k-1].lpszFileName; } // restore CWD cwd.SetCurrent(); // indicate if we succeeded or not return nError; } ULONG CMapiSendMessage::AfxSend(bool bShowDialog, bool bReportError) { // prepare for modal dialog box AfxGetApp()->EnableModeless(FALSE); HWND hWndTop; CWnd * pParentWnd = CWnd::GetSafeOwner(NULL, &hWndTop); // some extra precautions are required to use MAPISendMail as it // tends to enable the parent window in between dialogs (after // the login dialog, but before the send note dialog). pParentWnd->SetCapture(); ::SetFocus(NULL); pParentWnd->m_nFlags |= WF_STAYDISABLED; // attempt to send the message ULONG nError = Send(bShowDialog, pParentWnd->GetSafeHwnd()); // display error to user if (nError != SUCCESS_SUCCESS && nError != MAPI_USER_ABORT && nError != MAPI_E_LOGIN_FAILURE) { AfxMessageBox(AFX_IDP_FAILED_MAPI_SEND); } // after returning from the MAPISendMail call, the window must // be re-enabled and focus returned to the frame to undo the workaround // done before the MAPI call. ::ReleaseCapture(); pParentWnd->m_nFlags &= ~WF_STAYDISABLED; pParentWnd->EnableWindow(TRUE); ::SetActiveWindow(NULL); pParentWnd->SetActiveWindow(); pParentWnd->SetFocus(); if (hWndTop != NULL) ::EnableWindow(hWndTop, TRUE); AfxGetApp()->EnableModeless(TRUE); // report success or not return nError; } </code></pre> <p>This is from my codebase - and I'm not making an effort to unravel it from my own libraries. But you should be able to "fill in the blanks".</p> <p>Good luck!</p>

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