﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>C++博客-maxwell</title><link>http://www.cppblog.com/maxwell/</link><description /><language>zh-cn</language><lastBuildDate>Tue, 07 Apr 2026 22:56:23 GMT</lastBuildDate><pubDate>Tue, 07 Apr 2026 22:56:23 GMT</pubDate><ttl>60</ttl><item><title>ObjectArx develop</title><link>http://www.cppblog.com/maxwell/archive/2007/05/08/23608.html</link><dc:creator>麦斯维尔</dc:creator><author>麦斯维尔</author><pubDate>Tue, 08 May 2007 01:55:00 GMT</pubDate><guid>http://www.cppblog.com/maxwell/archive/2007/05/08/23608.html</guid><wfw:comment>http://www.cppblog.com/maxwell/comments/23608.html</wfw:comment><comments>http://www.cppblog.com/maxwell/archive/2007/05/08/23608.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cppblog.com/maxwell/comments/commentRss/23608.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/maxwell/services/trackbacks/23608.html</trackback:ping><description><![CDATA[1. 在CAD下框输出信息：<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;acutPrintf (_T("\nYou selected pt : %ld"), sizeof(pt) ) ;<br>
<img src ="http://www.cppblog.com/maxwell/aggbug/23608.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/maxwell/" target="_blank">麦斯维尔</a> 2007-05-08 09:55 <a href="http://www.cppblog.com/maxwell/archive/2007/05/08/23608.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>c++ primer </title><link>http://www.cppblog.com/maxwell/archive/2007/04/29/23159.html</link><dc:creator>麦斯维尔</dc:creator><author>麦斯维尔</author><pubDate>Sun, 29 Apr 2007 01:56:00 GMT</pubDate><guid>http://www.cppblog.com/maxwell/archive/2007/04/29/23159.html</guid><wfw:comment>http://www.cppblog.com/maxwell/comments/23159.html</wfw:comment><comments>http://www.cppblog.com/maxwell/archive/2007/04/29/23159.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cppblog.com/maxwell/comments/commentRss/23159.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/maxwell/services/trackbacks/23159.html</trackback:ping><description><![CDATA[<p>&nbsp;&nbsp;&nbsp;1.引用<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.1&nbsp; 引用通常作為函數形參。<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.2 引用一旦定義就不能指向其他對象<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.3 指向指針的引用<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int *pi = &amp;ival;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int *&amp;ptrval = pi;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.4 const 引用可以用不同類型的對象初始化。<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;double dval = 3.14159;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// 仅对于const 引用才是合法的，對非const引用是不合法的<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const int &amp;ir = 1024;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const int &amp;ir2 = dval;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const double &amp;dr = dval + 1.0;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;指向const對象的引用的指針：<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const int ival = 1024;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const int *&amp;pi_ref = &amp;ival;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;如果我们从右向左读这个定义会发现pi_ref 是一个指向定义为const 的int 型对象的指<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;针我们的引用不是指向一个常量而是指向一个非常量指针指针指向一个const 对象<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;正确的定义如下<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const int ival = 1024;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// ok: 这是可以被编译器接受的<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;const int *const &amp;pi_ref = &amp;ival;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>
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<img src ="http://www.cppblog.com/maxwell/aggbug/23159.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/maxwell/" target="_blank">麦斯维尔</a> 2007-04-29 09:56 <a href="http://www.cppblog.com/maxwell/archive/2007/04/29/23159.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>在心靈和宇宙最核心的深處 存在一個理由。</title><link>http://www.cppblog.com/maxwell/archive/2007/04/27/23045.html</link><dc:creator>麦斯维尔</dc:creator><author>麦斯维尔</author><pubDate>Fri, 27 Apr 2007 06:23:00 GMT</pubDate><guid>http://www.cppblog.com/maxwell/archive/2007/04/27/23045.html</guid><wfw:comment>http://www.cppblog.com/maxwell/comments/23045.html</wfw:comment><comments>http://www.cppblog.com/maxwell/archive/2007/04/27/23045.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/maxwell/comments/commentRss/23045.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/maxwell/services/trackbacks/23045.html</trackback:ping><description><![CDATA[在心靈和宇宙最核心的深處 存在一個理由。
<img src ="http://www.cppblog.com/maxwell/aggbug/23045.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/maxwell/" target="_blank">麦斯维尔</a> 2007-04-27 14:23 <a href="http://www.cppblog.com/maxwell/archive/2007/04/27/23045.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>C++ program Language Study ...</title><link>http://www.cppblog.com/maxwell/archive/2007/04/27/23022.html</link><dc:creator>麦斯维尔</dc:creator><author>麦斯维尔</author><pubDate>Fri, 27 Apr 2007 03:15:00 GMT</pubDate><guid>http://www.cppblog.com/maxwell/archive/2007/04/27/23022.html</guid><wfw:comment>http://www.cppblog.com/maxwell/comments/23022.html</wfw:comment><comments>http://www.cppblog.com/maxwell/archive/2007/04/27/23022.html#Feedback</comments><slash:comments>8</slash:comments><wfw:commentRss>http://www.cppblog.com/maxwell/comments/commentRss/23022.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/maxwell/services/trackbacks/23022.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp; 
<img src ="http://www.cppblog.com/maxwell/aggbug/23022.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/maxwell/" target="_blank">麦斯维尔</a> 2007-04-27 11:15 <a href="http://www.cppblog.com/maxwell/archive/2007/04/27/23022.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>