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19.3.17 TabControl控件和TabPages控件
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19.3.17 TabControl控件和TabPages控件
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<div style='float:left;width:49%'>·<a href='100165548.htm'>19.3.14 TextBox控件与RichTextBox控件</a></div><div style='float:right;width:49%'>·<a href='100165549.htm'>19.3.15 Splitter控件</a></div><div style='float:left;width:49%'>·<a href='100165550.htm'>19.3.16 StatusBar控件</a></div><div style='float:right;width:49%'>·<a href='100165552.htm'>19.3.18 Menu控件</a></div><div style='float:left;width:49%'>·<a href='100165553.htm'>19.3.19 ToolBar控件</a></div><div style='float:right;width:49%'>·<a href='100165554.htm'>19.4 窗体</a></div></div>
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<div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 0cm; MARGIN-RIGHT: 0cm; FTEL: 8.15pt"><span lang="EN-US">19.3.17 TabControl</span><span style="FONT-FAMILY: 黑体">控件和</span><span lang="EN-US">TabPages</span><span style="FONT-FAMILY: 黑体">控件</span></h3>
<p class="MsoNormal"><span lang="EN-US">TabControl</span><span style="FONT-FAMILY: 宋体">允许把相关的组件组合到一系列</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">页面上。</span><span lang="EN-US">TabControl</span><span style="FONT-FAMILY: 宋体">管理</span><span lang="EN-US">TabPages</span><span style="FONT-FAMILY: 宋体">集合。有几个属性可以控制</span><span lang="EN-US">TabControl</span><span style="FONT-FAMILY: 宋体">的外观。</span><span lang="EN-US">Appearance</span><span style="FONT-FAMILY: 宋体">属性使用</span><span lang="EN-US">TabAppearance</span><span style="FONT-FAMILY: 宋体">枚举确定</span><span lang="EN-US">Tab</span><span style="FONT-FAMILY: 宋体">的外观。其值是</span><span lang="EN-US">FlatButtons</span><span style="FONT-FAMILY: 宋体">、</span><span lang="EN-US">Buttons</span><span style="FONT-FAMILY: 宋体">或</span><span lang="EN-US">Normal</span><span style="FONT-FAMILY: 宋体">。</span><span lang="EN-US">Multiline</span><span style="FONT-FAMILY: 宋体">属性的值是一个布尔值，确定是否显示多行</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">。如果</span><span lang="EN-US">Multiline</span><span style="FONT-FAMILY: 宋体">属性设置为</span><span lang="EN-US">false</span><span style="FONT-FAMILY: 宋体">，而有多个</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">不能一次显示出来，就提供一组箭头，允许用户滚动查看剩余的</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">。</span></p>
<p class="MsoNormal"><span lang="EN-US">TabPage</span><span style="FONT-FAMILY: 宋体">的</span><span lang="EN-US">text</span><span style="FONT-FAMILY: 宋体">属性是在</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">上显示的内容。</span><span lang="EN-US">Text</span><span style="FONT-FAMILY: 宋体">属性也在重写的构造函数中用作参数。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">一旦创建了</span><span lang="EN-US">TabPage</span><span style="FONT-FAMILY: 宋体">控件，它基本上就是一个容器控件，用于放置其他控件。</span><span lang="EN-US">Visual Studio .NET</span><span style="FONT-FAMILY: 宋体">中的设计器使用集合编辑器，很容易给</span><span lang="EN-US">TabControl</span><span style="FONT-FAMILY: 宋体">控件添加</span><span lang="EN-US">TabPage</span><span style="FONT-FAMILY: 宋体">控件。在添加每个页面时都可以设置各种属性。接着把其他子控件拖放到每个</span><span lang="EN-US">TabPage</span><span style="FONT-FAMILY: 宋体">控件上。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">通过查看</span><span lang="EN-US">SelectedTab</span><span style="FONT-FAMILY: 宋体">属性可以确定当前的</span><span lang="EN-US">Tab</span><span style="FONT-FAMILY: 宋体">。每次选择新</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">时，都会引发</span><span lang="EN-US">SelectedIndex</span><span style="FONT-FAMILY: 宋体">事件。通过监听</span><span lang="EN-US">SelectedIndex</span><span style="FONT-FAMILY: 宋体">属性，再用</span><span lang="EN-US">SelectedTab</span><span style="FONT-FAMILY: 宋体">属性确认当前</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">，就可以根据每个</span><span lang="EN-US">tab</span><span style="FONT-FAMILY: 宋体">进行特定的处理。</span></p></div>
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<div style='float:left;width:49%'>·<a href='100165548.htm'>19.3.14 TextBox控件与RichTextBox控件</a></div><div style='float:right;width:49%'>·<a href='100165549.htm'>19.3.15 Splitter控件</a></div><div style='float:left;width:49%'>·<a href='100165550.htm'>19.3.16 StatusBar控件</a></div><div style='float:right;width:49%'>·<a href='100165552.htm'>19.3.18 Menu控件</a></div><div style='float:left;width:49%'>·<a href='100165553.htm'>19.3.19 ToolBar控件</a></div><div style='float:right;width:49%'>·<a href='100165554.htm'>19.4 窗体</a></div></div>
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