OnFileSendMail in MDI application

How do I email my serialized CDocument-derived object as an email attachment ? I read OnFileSendMail() is supposed to do so, but it fails on the following line in docmapi.cpp (implementing CDocument::OnFileSendMail()):

int nError = lpfnSendMail(0, (ULONG)pParentWnd->GetSafeHwnd(),&message, MAPI_LOGON_UI|MAPI_DIALOG, 0);
 
witn nError=2. I am getting messages like:
"The form required to view this message cannot be displayed"(From Microsoft Exchange),
and then
"Send mail failed to send message" (from my app).

My VC code really does very little: I use default implementation for OnFileSendMail, and never change the modified flag for the document. So OnFileSendMail simply takes the original file from where the document was opened, and does not call any SaveDocument() functions.

For email, I am using MS Outlook.
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olegspAsked:
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Janusz CzopowikConnect With a Mentor Commented:
It is not your program I think.
If you are experiencing the same trying to send e-mail from other programs, it looks like you are having problem with Exchange or Outlook.

This is happening sometimes when Frmcache.dat becomes corrupted.
The most efficient method is to remove client and reinstall it. Make sure that above mentioned file is removed or remove it yourself.

That should fix a problem.

If you are running Office 2000 try (after deleting all instances of Frmcache.dat).
On Help menu of any Office program, click Detect and Repair to fix a problem.
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cdesignerCommented:
Im use this code:
path - path to file with attachment or NULL

void SendMail(CString path)
{
    m_hInstMail = ::LoadLibrary("MAPI32.DLL");
   
    ULONG (PASCAL *lpfnSendMail)(ULONG, ULONG, MapiMessage*, FLAGS, ULONG);
    (FARPROC&)lpfnSendMail = GetProcAddress(m_hInstMail, "MAPISendMail");
    if (lpfnSendMail == NULL)
    {
        AfxMessageBox("MAPI: Inicialization error");
        ::FreeLibrary(m_hInstMail);
        return;
    }
   
    // prepare the file description (for the attachment)
    MapiFileDesc fileDesc;
    memset(&fileDesc, 0, sizeof(fileDesc));
    fileDesc.nPosition = (ULONG)-1;
    fileDesc.lpszPathName = path.LockBuffer();
    path.UnlockBuffer();
    // prepare the message (empty with 1 attachment)
    MapiMessage message;
    memset(&message, 0, sizeof(message));
    message.nFileCount = 1;
    message.lpFiles = &fileDesc;
    int nError = lpfnSendMail(0, (ULONG)NULL,&message, MAPI_LOGON_UI|MAPI_DIALOG, 0);
    if (nError != SUCCESS_SUCCESS && nError != MAPI_USER_ABORT && nError != MAPI_E_LOGIN_FAILURE)
    {
        AfxMessageBox("MAPI: send message error");
    }
    ::FreeLibrary(m_hInstMail);
}
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olegspAuthor Commented:
Now my nError=12. I start to believe that some information is missing - do I also need to specify recipient's address or anything else ??? Or it is supposed to automaticall pop up Outlook email window ?
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Stevex2Commented:
Not Sure but heres some example code on my end

      m_message.lpFiles = (MapiFileDesc *) realloc(m_message.lpFiles, (m_message.nFileCount + 1) * sizeof(MapiFileDesc));
      memset(&m_message.lpFiles[m_message.nFileCount], 0, sizeof(MapiFileDesc));

      ASSERT(m_message.lpFiles);
      
      if (m_message.lpFiles == (MapiFileDesc *) NULL)
      {
            m_error = IMAPI_FAILATTACH;
            return FALSE;
      }

      m_message.lpFiles[m_message.nFileCount].lpszPathName = (LPTSTR) malloc(strlen(path) + 1);
      strcpy(m_message.lpFiles[m_message.nFileCount].lpszPathName, path);

      if (name != (LPCTSTR) NULL)
      {
            m_message.lpFiles[m_message.nFileCount].lpszFileName = (LPTSTR) malloc(strlen(name) + 1);
            strcpy(m_message.lpFiles[m_message.nFileCount].lpszFileName, name);
      }

      m_message.nFileCount++;
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Stevex2Commented:
m_message is declared as a MapiMessage
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olegspAuthor Commented:
Adjusted points to 200
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olegspAuthor Commented:
Thank you, this helped.
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Janusz CzopowikCommented:
You are welcome
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