Problem with my script in C++ dll

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C++

Hi,
I have one simple code as below:

#include "stdafx.h"
#include <stdio.h>
#include <conio.h>
#include <iostream>
#include <string>
#include <iostream>
#include <fstream>
#include <string>
#include <math.h>
#include <algorithm>
#include <vector>
#include <stdio.h>
#include <windows.h>
#include <wininet.h>
#include <winnt.h>

using namespace std;

int main() {
       //LPCTSTR server = _T("ftp.fxturn.com/public_html/data");
       LPCTSTR server = _T("www.www.com");
       LPCTSTR path = _T("/public_html/data");


INTERNET_PORT port = INTERNET_DEFAULT_FTP_PORT;
LPCTSTR user = _T("user");
LPCTSTR pass = _T("pass");
DWORD service = INTERNET_SERVICE_FTP;
DWORD context = 0;
LPCTSTR szLocalFile = _T("C:\\files\\a.csv");

LPCTSTR szRemoteFile = _T("reza444");


    HINTERNET hSession = InternetOpen(0, INTERNET_OPEN_TYPE_PRECONFIG, 0, 0, 0);
    HINTERNET hService = InternetConnect(hSession, server, INTERNET_DEFAULT_FTP_PORT, user, pass, INTERNET_SERVICE_FTP, 0, 0);
       FtpSetCurrentDirectory(hService, path);

       if(!FtpPutFile(hService, szLocalFile, szRemoteFile, FTP_TRANSFER_TYPE_BINARY, 0)) cout<<"False";
    InternetCloseHandle(hService);
    InternetCloseHandle(hSession);
       
       MessageBox(NULL,szLocalFile,0,0);
       getch();
    return 0;
}

My code in this type works correctly and ftp my file very good.
But When I try use this code in another my projects that is one dll not works correctly and only create file and not ftp content of file.
In my dll I used that as one void function.

#include "stdafx.h"
#include <stdio.h>
#include <conio.h>
#include <iostream>
#include <string>
#include <iostream>
#include <fstream>
#include <string>
#include <math.h>
#include <algorithm>
#include <vector>
#include <stdio.h>
#include <windows.h>
#include <wininet.h>
#include <winnt.h>

using namespace std;

void ftp() {
       //LPCTSTR server = _T("ftp.fxturn.com/public_html/data");
       LPCTSTR server = _T("www.www.com");
       LPCTSTR path = _T("/public_html/data");


INTERNET_PORT port = INTERNET_DEFAULT_FTP_PORT;
LPCTSTR user = _T("user");
LPCTSTR pass = _T("pass");
DWORD service = INTERNET_SERVICE_FTP;
DWORD context = 0;
LPCTSTR szLocalFile = _T("C:\\Program Files (x86)\\MetaTrader - Alpari UK\\experts\\files\\a.csv");

LPCTSTR szRemoteFile = _T("reza444");


    HINTERNET hSession = InternetOpen(0, INTERNET_OPEN_TYPE_PRECONFIG, 0, 0, 0);
    HINTERNET hService = InternetConnect(hSession, server, INTERNET_DEFAULT_FTP_PORT, user, pass, INTERNET_SERVICE_FTP, 0, 0);
       FtpSetCurrentDirectory(hService, path);

       if(!FtpPutFile(hService, szLocalFile, szRemoteFile, FTP_TRANSFER_TYPE_BINARY, 0)) cout<<"False";
    InternetCloseHandle(hService);
    InternetCloseHandle(hSession);
       
}

Please help for find problem.
Regards,