// The following example codes demonstrate retrieving email from Gmail IMAP4 server
// To get full sample projects, please download and install EAGetMail on your machine.
// To run it correctly, please change email server, user, password, folder, file name value to yours

#include "stdafx.h" 

#include "eagetmailobj.tlh" 
using namespace EAGetMailObjLib; 

int _tmain(int argc, _TCHAR* argv[]) 
{ 
    const int MailServerPop3 = 0; 
    const int MailServerImap4 = 1; 

    // Initialize COM environment
    ::CoInitialize( NULL ); 

    // Create a folder named "inbox" under current exe file directory
    // to save the emails retrieved.
    TCHAR szPath[MAX_PATH+1]; 
    memset( szPath, 0, sizeof(szPath)); 
    ::GetModuleFileName( NULL, szPath, MAX_PATH ); 

    // Change file name to current full path
    LPCTSTR psz = _tcsrchr( szPath, _T(' ')); 
    if( psz != NULL ) 
    { 
        szPath[psz-szPath] = _T(' 0'); 
    } 
    TCHAR szMailBox[MAX_PATH+1]; 
    memset( szMailBox, 0, sizeof(szMailBox)); 
    wsprintf( szMailBox, _T("%s\\inbox"), szPath ); 

    // Create a folder to store emails
    ::CreateDirectory( szMailBox, NULL ); 

    try 
    { 
        IMailServerPtr oServer = NULL; 
        oServer.CreateInstance("EAGetMailObj.MailServer"); 

        // Gmail IMAP4 server address
        oServer->Server = _T("imap.gmail.com"); 
        oServer->User = _T("gmailid@gmail.com"); 
        oServer->Password = _T("testpassword"); 
        oServer->Protocol = MailServerImap4; 

        // Enable SSL connection
        oServer->SSLConnection = VARIANT_TRUE; 

        // Set 993 IMAP4 SSL port
        oServer->Port = 993; 

        IMailClientPtr oClient = NULL; 
        oClient.CreateInstance("EAGetMailObj.MailClient"); 
        oClient->LicenseCode = _T("TryIt"); 

        oClient->Connect( oServer ); 
        _tprintf(_T("Connected\r\n")); 

        _variant_t infos = oClient->GetMailInfos(); 
        SAFEARRAY *psa = infos.parray; 
        long LBound = 0, UBound = 0; 
        SafeArrayGetLBound( psa, 1, &LBound ); 
        SafeArrayGetUBound( psa, 1, &UBound ); 

        INT count = UBound-LBound+1; 
        _tprintf(_T("Total %d emails\r\n"), count ); 

        for( long i = LBound; i <= UBound; i++ ) 
        { 
            _variant_t vtInfo; 
            SafeArrayGetElement( psa, &i, &vtInfo ); 

            IMailInfoPtr pInfo; 
            vtInfo.pdispVal->QueryInterface(__uuidof(IMailInfo), (void**)&pInfo); 

            TCHAR szFile[MAX_PATH+1]; 
            memset( szFile, 0, sizeof(szFile)); 

            // Generate a random file name by current local datetime,
            // You can use your method to generate the filename if you do not like it
            SYSTEMTIME curtm; 
            ::GetLocalTime( &curtm ); 
            ::wsprintf( szFile, _T("%s\\%04d%02d%02d%02d%02d%02d%03d%d.eml"), 
                szMailBox, 
                curtm.wYear, 
                curtm.wMonth, 
                curtm.wDay, 
                curtm.wHour, 
                curtm.wMinute, 
                curtm.wSecond, 
                curtm.wMilliseconds, 
                i ); 

            // Receive email from Gmail IMAP server
            IMailPtr oMail = oClient->GetMail(pInfo); 

            // Save email to local disk
            oMail->SaveAs( szFile, VARIANT_TRUE ); 

            // Mark email as deleted from Gmail IMAP server.
            oClient->Delete( pInfo ); 
        } 

        // Delete method just mark the email as deleted,
        // Quit method pure the emails from server exactly.
        infos.Clear(); 
        oClient->Quit(); 
    } 
    catch( _com_error &ep ) 
    { 
        _tprintf( _T("Error: %s"), (const TCHAR*)ep.Description()); 
    } 

    return 0; 
}