開啟關閉線程的封裝類

class IThreadFun
 {
 public:
  virtual void OnDo()=0;
 };//每200毫秒調用一次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);//可優化
    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");
  }
 }; 
測試環境：Win7+VS2005
 
CTestThreadFun fun;
 CThreadHlp hlp ;
 void CtestexeDlg::OnBnClickedButton2()
 { 
  hlp.StartThread(&fun);
 }void CtestexeDlg::OnBnClickedButton3()
 {
  hlp.EndThread();
 }