// ThreadPriority.cpp : 定义控制台应用程序的入口点。  //    #include "stdafx.h"  #include <Windows.h>    DWORD WINAPI ThreadProcIdle(LPVOID lpParameter)  {      for (int i=0;i<20;i++)      {          printf("I'm in thread IDLE...\n");      }      return 0;  }    DWORD WINAPI ThreadProcNormal(LPVOID lpParameter)  {      for (int i=0;i<20;i++)      {          printf("I'm in thread Normal...\n");      }      return 0;  }      int _tmain(int argc, _TCHAR* argv[])  {      DWORD dwThreadIdIdle;      DWORD dwThreadIdNormal;      HANDLE hThread[2];      //开启两个线程      hThread[0] = ::CreateThread(NULL,0, ThreadProcIdle, NULL, CREATE_SUSPENDED, &dwThreadIdIdle);      ::SetThreadPriority(hThread[0],THREAD_PRIORITY_IDLE);      ::ResumeThread(hThread[0]);        hThread[1] = ::CreateThread(NULL,0, ThreadProcNormal, NULL, CREATE_SUSPENDED, &dwThreadIdNormal);      ::SetThreadPriority(hThread[1],THREAD_PRIORITY_NORMAL);      ::ResumeThread(hThread[1]);        //等待两个线程结束      ::WaitForMultipleObjects(2,hThread,TRUE,INFINITE);      ::CloseHandle(hThread[0]);      ::CloseHandle(hThread[1]);      return 0;  }