subject_17552.htm

一些关于vc的问答

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序号：17552 发表者：TaShin 发表日期：2002-10-12 21:44:05
<br>主题：文件被修改的通知？帮我看看下面的代码？
<br>内容：&nbsp;&nbsp; 我想得到某个目录下面的文件被修改的即时通知，做了如下代码，但是一运行就死机，谁有更好的办法吗？<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HANDLE dwChangeHandle; //·&micro;&raquo;&Oslash;&Iacute;¨&Ouml;&ordf;&micro;&Auml;&frac34;&auml;±ú<BR>&nbsp;&nbsp;&nbsp;&nbsp;dwChangeHandle=FindFirstChangeNotification(pObj-&gt;m_sRealDir,TRUE,FILE_NOTIFY_ALL);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(dwChangeHandle==INVALID_HANDLE_VALUE)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;AfxMessageBox("不能启动线程!");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AfxEndThread(1,TRUE);<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;while(true)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{ <BR>if (WaitForSingleObject(dwChangeHandle,INFINITE) == 0)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>AfxMessageBox("Something Change in Real!!!");&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>RecoverDir(pObj-&gt;m_sBackupDir,pObj-&gt;m_sRealDir);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>FindCloseChangeNotification(dwChangeHandle);<BR>&nbsp;&nbsp;&nbsp;&nbsp;dwChangeHandle=FindFirstChangeNotification(pObj-&gt;m_sRealDir,TRUE,FILE_NOTIFY_ALL);<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR><BR><BR>哪位兄弟有这方面的更好代码请发我一份，多谢了<BR>
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<font color=red>答案被接受</font><br>回复者：黄飚 回复日期：2002-10-12 21:48:14
<br>内容：http://www.vchelp.net/vchelp/archive.asp？type_id=26&class_id=1&cata_id=2&article_id=411<BR><BR><BR>台/系统