C++ 多线程

#include "stdafx.h"
 #include <Windows.h>
 #include <iostream>
 using namespace std;int index=0;
DWORD WINAPI Fun1Proc(
  LPVOID lpParameter
  );int _tmain(int argc, _TCHAR* argv[])
 {
  HANDLE hThread1; 
  hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
  //Sleep(1000);
  
  CloseHandle(hThread1);
  
  while(index++<20)
  cout<<"main thread is running  "<<endl;
   
  
  system("pause"); return 0;
 }DWORD WINAPI Fun1Proc(
  LPVOID lpParameter
  )
  {while(index++<20)
   cout<<"thread1 is running "<<endl;
   return 0;
 }