subject_24213.htm

一些关于vc的问答

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序号：24213 发表者：迷茫 发表日期：2002-12-10 20:53:30
<br>主题：请高手分析这几句语句
<br>内容：CClientSocket* pSocket=new CClientSocket(this);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(m_pSocket-&gt;Accept(*pSocket))<BR>&nbsp;&nbsp;&nbsp;&nbsp;{&nbsp;&nbsp; <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; pSocket-&gt;Init();<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;else<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; delete pSocket;<BR>为什么m_pSocket-&gt;Accept(*pSocket)为调用不成功呢?服务器不接受客户端的连接请求.pSocket-&gt;Init()并没有被调用到.为什么呢,书本上的例子都是这么做的.
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<font color=red>答案被接受</font><br>回复者：未出手的飞刀 回复日期：2002-12-10 22:03:22
<br>内容：<BR>你的代码<BR>BOOL CChatServerDoc::OnNewDocument()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;if (!CDocument::OnNewDocument())<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return FALSE;<BR><BR>//&nbsp;&nbsp; m_pSocket=new CListeningSocket(this);<BR>//&nbsp;&nbsp;&nbsp;&nbsp; m_pSocket-&gt;Create(8000);<BR>//&nbsp;&nbsp;&nbsp;&nbsp; m_pSocket-&gt;Listen();<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;return TRUE;<BR>}<BR>因为OnNewDocument()被调用多次，所以产生了多个CListeningSocket，改为<BR>CChatServerDoc::CChatServerDoc()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp; m_pSocket=new CListeningSocket(this);<BR>&nbsp;&nbsp;&nbsp;&nbsp; m_pSocket-&gt;Create(8000);<BR>&nbsp;&nbsp;&nbsp;&nbsp; m_pSocket-&gt;Listen();<BR>}
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