c++ trhead1

#include<windows.h>
#include<iostream>
using namespace std;
DWORD WINAPI  printMsg(LPVOID)
{
    for (int i=0;i<10000;i++)
    {
        cout<<i<<"  ";
    }
    cout<<"\n";
    return 0;
}
int main()
{
    DWORD sId;
    DWORD exitCode;
    HANDLE handle;
    handle=CreateThread(NULL,0,printMsg,0,0,&sId);
    cout<<"main start"<<endl;
    for (;;)
    {
        BOOL rc=GetExitCodeThread(handle,&exitCode);
        Sleep(10);
        if (rc && exitCode!=STILL_ACTIVE)
        {
            CloseHandle(handle);
            break;
        }
    }

    return 0;
}