Windows高精度定时器（VC++实现）

#pragma once #include <functional> #include <vector> #include <windows.h> #include "MessageTimerDefine.h" class CMessageTimer { protected: CMessageTimer() : m_Timer(MAX_COUNT_TIMER) { } BOOL SetTimer(HWND hWnd, UINT uEvent, DWORD dwPeriod) { if(!IsWindow(hWnd) || !TIMER_EVENT_IN_RANGE(uEvent)) return FALSE; TIMER_STRUCT &Struct = m_Timer[uEvent]; _ASSERT(Struct.hTimer == NULL && Struct.Handler == NULL); WAITORTIMERCALLBACK TimerCallback = NULL; DISPATCH_TIMER_CALLBACK(uEvent, TimerCallback) BOOL bRet = CreateTimerQueueTimer(&Struct.hTimer, NULL, TimerCallback, this, 0, dwPeriod, 0); if(bRet) { Struct.Handler = new CMessageTimerHandler(uEvent, hWnd); } return bRet; } template <typename T> BOOL SetTimer(UINT uEvent, DWORD dwPeriod, T Function) { if(!TIMER_EVENT_IN_RANGE(uEvent)) return FALSE; TIMER_STRUCT &Struct = m_Timer[uEvent]; _ASSERT(Struct.hTimer == NULL && Struct.Handler == NULL); WAITORTIMERCALLBACK TimerCallback = NULL; DISPATCH_TIMER_CALLBACK(uEvent, TimerCallback) BOOL bRet = CreateTimerQueueTimer(&Struct.hTimer, NULL, TimerCallback, this, 0, dwPeriod, 0); if(bRet) { Struct.Handler = new CBindTimerHandler(uEvent, std::tr1::bind(Function, std::tr1::placeholders::_1)); } return bRet; } template <typename T, typename CLASS> BOOL SetTimer(UINT uEvent, DWORD dwPeriod, T Function, CLASS *lpClass) { if(!TIMER_EVENT_IN_RANGE(uEvent) || lpClass == NULL) return FALSE; TIMER_STRUCT &Struct = m_Timer[uEvent]; _ASSERT(Struct.hTimer == NULL && Struct.Handler == NULL); WAITORTIMERCALLBACK TimerCallback = NULL; DISPATCH_TIMER_CALLBACK(uEvent, TimerCallback) BOOL bRet = CreateTimerQueueTimer(&Struct.hTimer, NULL, TimerCallback, this, 0, dwPeriod, 0); if(bRet) { Struct.Handler = new CBindTimerHandler(uEvent, std::tr1::bind(Function, lpClass, std::tr1::placeholders::_1)); } return bRet; } BOOL KillTimer(UINT uEvent) { if(!TIMER_EVENT_IN_RANGE(uEvent)) return FALSE; BOOL bRet = FALSE; TIMER_STRUCT &Struct = m_Timer[uEvent]; if(Struct.hTimer != NULL) { bRet = DeleteTimerQueueTimer(NULL, Struct.hTimer, INVALID_HANDLE_VALUE); if(!bRet) { bRet = GetLastError() == ERROR_IO_PENDING; } Struct.hTimer = NULL; } if(Struct.Handler != NULL) { delete Struct.Handler; Struct.Handler = NULL; } return bRet; } private: struct TIMER_STRUCT { TIMER_STRUCT() : hTimer(NULL), Handler(NULL) {} ~TIMER_STRUCT() {_ASSERT(hTimer == NULL && Handler == NULL);} HANDLE hTimer; CTimerHandler *Handler; }; private: DEFINE_TIMER_CALLBACK(0) DEFINE_TIMER_CALLBACK(1) DEFINE_TIMER_CALLBACK(2) DEFINE_TIMER_CALLBACK(3) private: std::vector<TIMER_STRUCT> m_Timer; };