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界面如下：
关键代码如下：
 1     BOOL bRet = FALSE;
 2     BYTE Buffer[1024] = {0};
 3 
 4     CDirectoryWatchDlg *pDlg = (CDirectoryWatchDlg *)lpParam;
 5     FILE_NOTIFY_INFORMATION *pBuffer = (FILE_NOTIFY_INFORMATION*)Buffer;
 6     DWORD dwBytesReturned  = 0;
 7     HANDLE hFile = CreateFile(pDlg->m_strDirectoryPath.GetBuffer(0), FILE_LIST_DIRECTORY, FILE_SHARE_READ
 8         | FILE_SHARE_DELETE | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
 9     if(INVALID_HANDLE_VALUE == hFile)
10     {
11         DWORD dwErr = GetLastError();
12         CString strErr;
13         strErr.Format(_T("CreateFile Error : %d"), dwErr);
14         AfxMessageBox(strErr);
15         return 1;
16     }
17 
18     if (pDlg->GetDlgItem(IDC_BUTTON_START) != NULL)
19     {
20         pDlg->GetDlgItem(IDC_BUTTON_START)->EnableWindow(FALSE);
21     }
22     if (pDlg->GetDlgItem(IDC_BUTTON_STOP) != NULL)
23     {
24         pDlg->GetDlgItem(IDC_BUTTON_STOP)->EnableWindow(TRUE);
25     }
26 
27     CString strInfo;
28     CString strType;
29     CString strIndex;
30 
31     while (TRUE)
32     {
33         ZeroMemory(Buffer, 1024);
34         bRet = ReadDirectoryChangesW(hFile, &Buffer, sizeof(Buffer), TRUE, FILE_NOTIFY_CHANGE_FILE_NAME |
35             FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_LAST_WRITE, &dwBytesReturned, NULL, NULL);
36         if (bRet == TRUE)
37         {
38             switch (pBuffer->Action)
39             {
40             case FILE_ACTION_ADDED:
41                 strType = _T("添加");
42                 strInfo = _T("添加文件：");
43                 strInfo += pBuffer->FileName;
44                 break;
45             case FILE_ACTION_REMOVED:
46                 strType = _T("删除");
47                 strInfo = _T("删除文件：");
48                 strInfo += pBuffer->FileName;
49                 break;
50             case FILE_ACTION_MODIFIED:
51                 strType = _T("修改");
52                 strInfo = _T("修改文件：");
53                 strInfo += pBuffer->FileName;
54                 break;
55             case FILE_ACTION_RENAMED_OLD_NAME:
56                 strType = _T("重命名");
57                 strInfo = _T("将文件");
58                 strInfo += pBuffer->FileName;
59                 if (pBuffer->NextEntryOffset != 0)
60                 {
61                     FILE_NOTIFY_INFORMATION *TempBuffer = (FILE_NOTIFY_INFORMATION*)((DWORD)pBuffer + pBuffer->NextEntryOffset);
62                     switch (TempBuffer->Action)
63                     {
64                     case FILE_ACTION_RENAMED_NEW_NAME:
65                         strInfo += _T("重命名为");
66                         strInfo += TempBuffer->FileName;
67                         break;
68                     }
69                 }
70                 break;
71             case FILE_ACTION_RENAMED_NEW_NAME:
72                 strType = _T("重命名");
73                 strInfo = _T("重命名为");
74                 strInfo += pBuffer->FileName;
75                 break;
76             }
77 
78             if (pDlg != NULL)
79             {
80                 strIndex.Format(_T("%d"), pDlg->nIndex);
81                 pDlg->m_ctrlDirectoryWatchLog.InsertItem(pDlg->nIndex, strIndex);
82                 pDlg->m_ctrlDirectoryWatchLog.SetItemText(pDlg->nIndex, 1, strType);
83                 pDlg->m_ctrlDirectoryWatchLog.SetItemText(pDlg->nIndex++, 2, strInfo);
84             }
85         }
86     }
87 
88     CloseHandle(hFile);
89     return 0;
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