CWinThread *thread = AfxBeginThread(DownloadAsync, this, THREAD_PRIORITY_NORMAL, 0, NULL);

//可在线程内部直接调用此函数退出当前线程
AfxEndThread(resultCode);

//等待线程执行结束
WaitForSingleObject(downloadVersionThread, 100);

//Download为static方法
HANDLE handle= CreateThread(NULL,
    0, (LPTHREAD_START_ROUTINE)Download,
    (LPVOID)this,
    //(VOID*)this,
    0, NULL);

留待后查，同时方便他人