开启关闭线程的封装类

      
      

       
       class IThreadFun
       
       
 {
       
       
 public:
       
       
  virtual void OnDo()=0;
       
       
 };//每200毫秒调用一次IThreadFun的OnDo
       
       
 class CThreadHlp
       
       
 {
       
       
 public:
       
       
  static void StartThread(IThreadFun* pFun)
       
       
  {
       
       
   if( NULL != s_pThread )
       
       
    return ;
       
       
   s_pFun = pFun ;
       
       
   s_bDo = true;
       
       
   s_pThread = AfxBeginThread(SysThreadFun,NULL);
       
       
  }
       
       
  static void EndThread()
       
       
  {
       
       
   if( NULL == s_pThread )
       
       
    return ;
       
       
   s_bDo = false;
       
       
   WaitForSingleObject(s_pThread->m_hThread, INFINITE);//
       
       
   s_pThread = NULL;
       
       
  }
       
       
 protected:
       
       
  static IThreadFun* s_pFun;
       
       
  static bool s_bDo  ;
       
       
  static CWinThread* s_pThread;
       
       
  static UINT SysThreadFun(LPVOID p)
       
       
  {
       
       
   while(s_bDo )
       
       
   {
       
       
    Sleep(200);//可优化
       
       
    if( NULL != s_pFun )
       
       
    {
       
       
     s_pFun->OnDo();
       
       
    }
       
       
   }
       
       
   return 0;
       
       
  }
       
       
 };//
       
       
 IThreadFun* CThreadHlp::s_pFun = NULL ;
       
       
 bool CThreadHlp::s_bDo = false ;
       
       
 CWinThread* CThreadHlp::s_pThread = NULL;class CTestThreadFun : public IThreadFun
       
       
 {
       
       
 public:
       
       
  virtual void OnDo()
       
       
  {
       
       
   for( int i = 0 ; i < 10 ; i++ )
       
       
   {
       
       
    CString str;
       
       
    str.Format("%d ",i);
       
       
    TRACE(str);
       
       
    Sleep(100);
       
       
   }
       
       
   TRACE("\r\n");
       
       
  }
       
       
 }; 
       
       
测试环境：Win7+VS2005
       
       
 
       
       
CTestThreadFun fun;
       
       
 CThreadHlp hlp ;
       
       
 void CtestexeDlg::OnBnClickedButton2()
       
       
 { 
       
       
  hlp.StartThread(&fun);
       
       
 }void CtestexeDlg::OnBnClickedButton3()
       
       
 {
       
       
  hlp.EndThread();
       
       
 }
      
      
      
      

       
       
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