www.pudn.com > POP3.MFC.zip > Main.cpp

#include "stdafx.h" 
#include "pop3.h" 
 
 
class CApp : public CWinApp 
{ 
protected: 
  virtual BOOL InitInstance(); 
}; 
 
CApp theApp; 
 
 
BOOL CApp::InitInstance() 
{ 
	//initialise sockets 
	if (!AfxSocketInit()) 
  { 
    TRACE(_T("Failed to initialise the Winsock stack\n")); 
    return FALSE; 
  } 
 
	//try out the POP3 Client class 
  CPop3Connection p3; 
 
	//you should change the parameters to connect to the  
	//address, name and password for your own POP3 mailbox 
	if (!p3.Connect(_T("mail.someisp.com"), _T("auser"), _T("apassword"))) 
  { 
    DWORD dwError = GetLastError(); 
		CString sError = p3.GetLastCommandResponse(); 
    return FALSE; 
  } 
 
	if (!p3.Noop()) 
  { 
    DWORD dwError = GetLastError(); 
		CString sError = p3.GetLastCommandResponse(); 
  } 
 
	int nMails; 
	int nSize; 
  if (!p3.Statistics(nMails, nSize)) 
  { 
    DWORD dwError = GetLastError(); 
		CString sError = p3.GetLastCommandResponse(); 
  } 
 
  if (nMails) 
  { 
    CPop3Message message; 
    DWORD dwSize; 
    if (!p3.GetMessageSize(1, dwSize)) 
    { 
      DWORD dwError = GetLastError(); 
			CString sError = p3.GetLastCommandResponse(); 
    } 
    if (!p3.Retrieve(1, message)) 
    { 
      DWORD dwError = GetLastError(); 
			CString sError = p3.GetLastCommandResponse(); 
    } 
    else 
    { 
      CFile f; 
      if (f.Open(_T("c:\\message.dat"), CFile::modeCreate | CFile::modeWrite | CFile::shareDenyWrite)) 
      { 
        const char* pszMessage = message.GetMessageText(); 
        f.Write(pszMessage, strlen(pszMessage)); 
      } 
      else 
        TRACE(_T("Failed to write message to file\n")); 
    } 
 
    for (int i=1; i<=nMails; i++) 
    { 
      CString sID; 
      if (!p3.GetMessageID(i, sID)) 
      { 
        DWORD dwError = GetLastError(); 
  			CString sError = p3.GetLastCommandResponse(); 
      } 
    } 
 
    if (!p3.Delete(1)) 
    { 
      DWORD dwError = GetLastError(); 
			CString sError = p3.GetLastCommandResponse(); 
    } 
 
    if (p3.Delete(nMails+1)) 
    {     
      DWORD dwError = GetLastError(); 
			CString sError = p3.GetLastCommandResponse(); 
      TRACE(_T("Succeeded in deleting a non-existance message ???\n")); 
    } 
 
    if (!p3.Reset()) 
    { 
      DWORD dwError = GetLastError(); 
			CString sError = p3.GetLastCommandResponse(); 
    } 
  } 
  else 
    TRACE(_T("No mails at the PO\n")); 
 
 
  if (!p3.Disconnect()) 
  { 
    DWORD dwError = GetLastError(); 
		CString sError = p3.GetLastCommandResponse(); 
  } 
 
	return FALSE; 
}