accuratetimer.h

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#ifndef __ACCURATE_TIMER_HEAD_FILE_2002_11_14
#define __ACCURATE_TIMER_HEAD_FILE_2002_11_14

#include <windows.h>
#include <mmSystem.h>

#ifdef _MSC_VER
   #pragma comment(lib, "Winmm.lib")
#endif

class CAccurateTimer {
public:
   typedef void (*LPACTIMER_ROUTINE)(unsigned long nID,CAccurateTimer &oTimer,DWORD dwParam);
private:
   HANDLE hEvent;
   LONGLONG m_n64TimeMark;
   DWORD m_nTickTimeMark;
   LPACTIMER_ROUTINE lpCallback;
   UINT  uID;
   DWORD dwParam;
public:
   CAccurateTimer(void);
   ~CAccurateTimer(void);
  LONGLONG Time(void);
   int Sleep(unsigned long nTime);
   int SetEvent(unsigned long nTime , LPACTIMER_ROUTINE lpCallBack,DWORD dwParam=0);
   int StopEvent(void);
private:
   static void CALLBACK TimeProc(UINT uID, UINT uMsg, DWORD dwUser, DWORD dwR1,DWORD dwR2);  
};
#endif