Windows下设置钩子函数

HWINEVENTHOOK hook = SetWinEventHook(
        _eventMin, 
        _eventMax, 
        NULL, 
        WinEventProcSTATIC, 
        0, 
        0, 
        WINEVENT_OUTOFCONTEXT);

UnhookWinEvent(hook);

void ProcessForgroundMonitor::winEventProc(
    HWINEVENTHOOK hWinEventHook,
    DWORD dwEvent,
    HWND hwnd,
    LONG idObject,
    LONG idChild,
    DWORD dwEventThread,
    DWORD dwmsEventTime)