right15-3.htm

Visual C++面向对象程序设计教程（配套习题资源）

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<img src="right14.jpg" v:shapes="_x0000_i1025" style="float: left" width="384" height="251"></span><font size="2"><font LANG="ZH-CN">（1） 
消息映射（</font>Message Maps）</font></p>  
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  <p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">“</font>Classname<font LANG="ZH-CN">”下拉列表框列出的是程序当前用到的所有类的名字，“</font>Message<font LANG="ZH-CN">”中列出的是一个选中的类所能接收到的所有的消息，在</font>Windows<font LANG="ZH-CN">程序设计中，用户通过窗口界面的各种操作最后都转化为发送到程序中的对象的消息。</font></font></p>
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  <p ALIGN="justify" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><font size="2"><font LANG="ZH-CN">“</font>Member   
  function<font LANG="ZH-CN">”一栏中列出的是当前被选中的类已有的成员函数。这些成员函数一般说来是与这个类可以接收的消息一一对应的。如果在“</font>Message<font LANG="ZH-CN">”栏中的某个消息在程序中需要处理，但目前还没有相应的类成员函数，可以在此增加类的成员函数。</font></font></p>
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<blockquote>
  <p ALIGN="JUSTIFY"><font face="oúì?,SimHei" lang="ZH-CN" size="2">（2）成员变量</font></p>
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<p ALIGN="JUSTIFY"><font size="2"><span style="mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 10.5pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US"><font LANG="ZH-CN">单击</font>Member</span></font> 
<font size="2"><span style="mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 10.5pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">Variables<font LANG="ZH-CN">标签，类向导显示成员变量的情况，如左图所示。如果用户使用变量标识一些控件，此时可以增加变量。</font></span></font></p>  
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<p style="line-height: 100%; text-indent: 0; margin: 0" align="left"><font size="2">4.<font LANG="ZH-CN">工程文件简介</font></font></p>
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