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📁 Visual C++面向对象程序设计教程（配套习题资源）
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<title>例19-2</title>
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<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><font size="2"><font LANG="ZH-CN">【例</font>19-2<font LANG="ZH-CN">】将邮编和区号数据库内容以表格的形式显示在屏幕上，如图</font>19-13<font LANG="ZH-CN">所示，数据库名为</font>ybqh.mdb<font LANG="ZH-CN">。</font></font></p>
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<p ALIGN="CENTER" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><font size="2"><font LANG="ZH-CN">图</font>19-13 
<font LANG="ZH-CN">以表格形式显示数据库内容</font> <font LANG="ZH-CN">图</font>19-14 
<font LANG="ZH-CN">创建对话框以及相应的控件</font></font></p>
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><font LANG="ZH-CN" size="2">程序设计步骤如下：</font></p>
<font SIZE="3">
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font LANG="ZH-CN" size="2">① 
创建一个数据库的工程</font></p>
<font SIZE="3">
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">启动</font>AppWizard<font LANG="ZH-CN">，指定一个名为“</font>postcode<font LANG="ZH-CN">”的</font>MFC<font LANG="ZH-CN">工程。</font></font></p>
<font SIZE="3">
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">在</font>MFC 
AppWizard<font LANG="ZH-CN">的第一步选择“</font>Single document<font LANG="ZH-CN">”。</font></font></p>
<font SIZE="3">
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">在</font>MFC 
AppWizard<font LANG="ZH-CN">的第二步选择“</font>Database view without 
file support<font LANG="ZH-CN">”，然后点击“</font>Data Source...<font LANG="ZH-CN">”按钮，在“</font>Database 
Options<font LANG="ZH-CN">”对话框中的</font>ODBC<font LANG="ZH-CN">组合框中选择“</font>DAO<font LANG="ZH-CN">”，如图</font>19-14<font LANG="ZH-CN">所示。然后按“…”按钮，则会打开一个对话框，如图</font>19-15<font LANG="ZH-CN">，选择数据库“</font>YBQH.MDB<font LANG="ZH-CN">”，单击“打开”按钮。回到如图</font>19-14<font LANG="ZH-CN">所示的对话框，单击“</font>OK<font LANG="ZH-CN">”，出现如图</font>19-16<font LANG="ZH-CN">所示的选择表对话框。选择表“</font>ybqh<font LANG="ZH-CN">”，单击“</font>OK<font LANG="ZH-CN">”。按提示进行，创建的工程和例</font>19-1<font LANG="ZH-CN">的相似。</font></font></p>
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<font SIZE="1">
<p ALIGN="CENTER" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">图</font>19-15 
<font LANG="ZH-CN">选择数据库</font> <font LANG="ZH-CN">图</font>19-16 <font LANG="ZH-CN">创建对话框以及相应的控件</font></font></p>
<font SIZE="3">
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">②</font> 
<font LANG="ZH-CN">添加控件</font></font></p>
<font SIZE="3">
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">如例</font>19-1<font LANG="ZH-CN">，工程创建一个“</font>IDD_POSTCODE_FORM<font LANG="ZH-CN">”对话框，右键单击对话框，选择“</font>Insert 
ActiveX Control<font LANG="ZH-CN">…”，如图</font>19-17<font LANG="ZH-CN">所示。然后选择“</font>Microsoft 
FlexGrid Control, Version6.0<font LANG="ZH-CN">”。单击“</font>OK<font LANG="ZH-CN">”，出现如图</font>19-19<font LANG="ZH-CN">所示的画面，此时可以调整控件的大小。</font></font></p>
<font SIZE="3">
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"></font><font size="2"><font LANG="ZH-CN">打开</font>ClassWizard<font LANG="ZH-CN">，为</font>FlexGrid<font LANG="ZH-CN">增加变量，如图</font>19-20<font LANG="ZH-CN">所示，增加的变量名称为</font>m_FlexGrid<font LANG="ZH-CN">。将来可以使用变量对控件进行控制。</font></font></p>
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