uTools-Manuals/docs/java/javax/swing/plaf/basic/BasicComboPopup.ItemHandler.html

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     javax.swing.plaf.basic 
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<h2 class="title" title="Class BasicComboPopup.ItemHandler">Class BasicComboPopup.ItemHandler</h2>
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         All Implemented Interfaces: 
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<span><a href="../../../../java/awt/event/ItemListener.html" title="java.awt.event中的接口">ItemListener</a> ， <a href="../../../../java/util/EventListener.html" title="java.util中的接口">EventListener</a></span>
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         Enclosing class: 
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<span><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html" title="javax.swing.plaf.basic中的类">BasicComboPopup</a></span>
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<hr/> <br/> <pre>protected class <span class="typeNameLabel">BasicComboPopup.ItemHandler</span>
extends <a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a>
implements <a href="../../../../java/awt/event/ItemListener.html" title="interface in java.awt.event">ItemListener</a></pre>
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        此监听器监视组合框中对选择的更改。 
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<th class="colFirst" scope="col">Modifier</th>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.ItemHandler.html#ItemHandler--">ItemHandler</a></span>()</code> </td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.ItemHandler.html#itemStateChanged-java.awt.event.ItemEvent-">itemStateChanged</a></span>(<a href="../../../../java/awt/event/ItemEvent.html" title="class in java.awt.event">ItemEvent</a> e)</code>
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              当用户选择或取消选择项目时调用。 
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<li class="blockList"> <h4>ItemHandler</h4> <pre>protected ItemHandler()</pre> </li>
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<li class="blockList"> <h4>itemStateChanged</h4> <pre>public void itemStateChanged(<a href="../../../../java/awt/event/ItemEvent.html" title="class in java.awt.event">ItemEvent</a> e)</pre>
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<span class="descfrmTypeLabel">说明从界面： <code><a href="../../../../java/awt/event/ItemListener.html#itemStateChanged-java.awt.event.ItemEvent-">ItemListener</a></code>复制</span>
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<span>当用户选择或取消选择项目时调用。</span>
<span>为此方法编写的代码执行在选择（或取消选择）项目时需要进行的操作。</span>
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../../../java/awt/event/ItemListener.html#itemStateChanged-java.awt.event.ItemEvent-">itemStateChanged</a></code> in interface  
            <code><a href="../../../../java/awt/event/ItemListener.html" title="interface in java.awt.event">ItemListener</a></code>
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