C / C++ / MFC

void CDilaraDlg::OnBnClickedConnect()
{
    int Selected = 0; //number of the servers selected from the list
	
	for(int i=0; i< m_ctlServerList.GetCount();i++)
	{
		if(m_ctlServerList.GetCheck(i) == 1 ) 
		{
			Selected++; 
		}
	}
	//no line is selected:
	if(Selected == 0) 
		AfxMessageBox(L"No Server is Selected!");

	CString *diziPtr= new CString[Selected]; 
    char str[2];
	CString svar;
	for(int i=0; i< m_ctlServerList.GetCount();i++)
	{
		if(m_ctlServerList.GetCheck(i) == 1 ) 
		{
			_itoa_s(i,str,10);
			svar = str;
			*diziPtr = lines[i]+_T(":")+svar+_T("-")+m_savepath;
			++diziPtr;	
		}
	}

	m_fails.ResetContent();
	m_success.ResetContent();
	
	CString abc;
	for(int i=0;i<Selected;i++)
	{  
		--diziPtr; 	
		Client_Thread=CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)ClientThread,(void *)diziPtr,0,&Client_ThreadID);
		
	} 

DWORD WINAPI ClientThread(void * num)
{   

	signal( SIGINT, &signal_handler );
    signal( SIGTERM,&signal_handler );  
    signal( SIGABRT,&signal_handler );  

	CString ipport= *(CString * ) num;	
    CString ipAddress,savepath;
	CString ports,socknums;
	int port,socknum;
   	
	AfxExtractSubString(ipAddress, ipport, 0, ':'); //first substr upto : is the ip
	AfxExtractSubString(ports, ipport, 1, ':');//second substr after : is the port

    port = _wtoi(ports);

	AfxExtractSubString(socknums, ipport, 2, ':');//third substr after : is the threadno

	AfxExtractSubString(savepath, ipport, 1, '-');//second substr after - is the savepath

    socknum = _wtoi(socknums);
	CStringA ip(ipAddress);
    Socket sockClient(socknum);

	//creating the ip_port.txt file and write the time in it
	sockClient.timefile(ipAddress,ports,savepath);

	if(sockClient.ConnectToServer(ip, port,socknum)==0) 
	return -1;

    sockClient.RecvData(ipAddress,ports,socknum,savepath);

	return 0;
   
}  

int Socket::ConnectToServer( const char *ipAddress, int port,int i)  // server'a bağlanmak için gerekli fonksiyon
{   
    myAddress.sin_family = AF_INET;                                   
    myAddress.sin_addr.s_addr = inet_addr( ipAddress );             
    myAddress.sin_port = htons( port );                               
    
	if (connect( mySocket[i], (SOCKADDR*) &myAddress, sizeof( myAddress )) ==SOCKET_ERROR ) // hata kontrolü
    {
		CString msg = _T("ClientSocket: Failed to connect: Error Value: ");
		CString error;
		int a = WSAGetLastError();
		error.Format(_T("%d"),a);
		msg+=error;
		AfxMessageBox(msg);
        system("pause");	
		
		return 0; //connection fails
	} 
	return 1;
}