C++ 文件夹下文件监控

最新推荐文章于 2025-06-04 10:16:43 发布

原创最新推荐文章于 2025-06-04 10:16:43 发布 · 4.5k 阅读

5 ·

CC 4.0 BY-SA版权

文章标签：

#c++文件监控

c++ 专栏收录该内容

29 篇文章

订阅专栏

HANDLE  m_hEvent;
HANDLE  m_arhChange[2];
BOOL  m_bExit;
void CMonitorDir() 
{
    for(int i = 0; i < 2; i++)
    {
        m_arhChange[i] = m_hEvent;
    }
    m_bExit = FALSE;
    m_arhChange[0] =::FindFirstChangeNotification("d:\\DCM", 
    FALSE,FILE_NOTIFY_CHANGE_FILE_NAME);
    m_arhChange[1] =::FindFirstChangeNotification("d:\\RDCM", FALSE,  
                               FILE_NOTIFY_CHANGE_FILE_NAME);
     AfxBeginThread(MonitorThread, this);
}

UINT MonitorThread(LPVOID lpParam)
{
    CtestfileMonitorDlg* pDlg = (CtestfileMonitorDlg*)lpParam;
    while(TRUE)
    {
        // 在多个改变通知事件上等待
         DWORD nObjectWait = ::WaitForMultipleObjects(2, pDlg->m_arhChange, FALSE, 
                                  INFINITE);
         if(pDlg->m_bExit)
         {
            break;
         }
         // 查找促使等待函数返回的句柄，通知用户
         int nIndex = nObjectWait - WAIT_OBJECT_0;
         // 继续监视
         ::FindNextChangeNotification(pDlg->m_arhChange[nObjectWait]);
    }
    return 0;
}

//停止函数
void  Stop()
 {
    if(!m_bExit)
    {
        m_bExit = TRUE;
        for(int i = 0; i < 2; i++)
        {
            if(m_arhChange[i] != m_hEvent)
            {
                ::FindCloseChangeNotification(m_arhChange[i]);
            }
        }
    }
}