subject_20364.htm

一些关于vc的问答

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序号：20364 发表者：祥子_林 发表日期：2002-11-05 21:52:26
<br>主题：help me !!!
<br>内容：try<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;CFile file;<BR>&nbsp;&nbsp;&nbsp;&nbsp;char* pathname="e:\\lin\\lin.in";<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;file.Open(pathname,CFile::modeCreate|CFile::modeReadWrite|CFile::shareDenyNone);<BR>&nbsp;&nbsp;&nbsp;&nbsp;pDoc-&gt;lpszString="hello";<BR>&nbsp;&nbsp;&nbsp;&nbsp;pDoc-&gt;OnSaveDocument(pathname);///出错于此<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;catch(CFileException* e)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e-&gt;ReportError();<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e-&gt;Delete();<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR><BR>////////////////////////////<BR>///////////////<BR>void CTrojanDoc::Serialize(CArchive& ar)<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;if (ar.IsStoring())<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ar&lt;&lt;lpszString;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;else<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ar&gt;&gt;lpszString;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>}<BR><BR>以上为部分代码，运行时显示“存取e:\\lin\\lin.in时发生共享违例”,不知道是为什么，很是郁闷，请哪位朋友指教。多谢！
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<font color=red>答案被接受</font><br>回复者：口水龙 回复日期：2002-11-05 21:55:09
<br>内容：file.Open(pathname,CFile::modeCreate|CFile::modeReadWrite|CFile::shareDenyNone);<BR>？？已经打开文件并禁止共享访问了。<BR>&nbsp;&nbsp;&nbsp;&nbsp;pDoc-&gt;lpszString="hello";<BR>&nbsp;&nbsp;&nbsp;&nbsp;pDoc-&gt;OnSaveDocument(pathname);///出错于此//这里你是调用了Serialize吧，你前面已经打开了文件还禁止共享，着时候还想序列化当然回出错，把open那句删了
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回复者：祥子_林 回复日期：2002-11-05 22:01:59
<br>内容：CFile::shareDenyNone&nbsp;&nbsp; Opens the file without denying other processes read or write access to the file. Create fails if the file has been opened in compatibility mode by any other process.<BR>我没有禁止共享啊，我第一次这样用，谢谢<BR><BR>
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回复者：祥子_林 回复日期：2002-11-05 22:15:54
<br>内容：可以！！就是不太理解。多谢啦！！！
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