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

<div class="header">
<div class="subTitle">
     javax.swing.plaf.basic 
   </div>
<h2 class="title" title="Class BasicComboPopup">Class BasicComboPopup</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="../../../../java/awt/Component.html" title="class in java.awt">java.awt.Component</a></li>
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<ul class="inheritance">
<li><a href="../../../../java/awt/Container.html" title="class in java.awt">java.awt.Container</a></li>
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<ul class="inheritance">
<li><a href="../../../../javax/swing/JComponent.html" title="class in javax.swing">javax.swing.JComponent</a></li>
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<li><a href="../../../../javax/swing/JPopupMenu.html" title="class in javax.swing">javax.swing.JPopupMenu</a></li>
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<ul class="inheritance">
<li>javax.swing.plaf.basic.BasicComboPopup</li>
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<dl>
<dt>
         All Implemented Interfaces: 
       </dt>
<dd>
<span><a href="../../../../java/awt/image/ImageObserver.html" title="java.awt.image中的接口">ImageObserver</a> ， <a href="../../../../java/awt/MenuContainer.html" title="java.awt中的接口">MenuContainer</a> ， <a href="../../../../java/io/Serializable.html" title="java.io中的接口">Serializable</a> ， <a href="../../../../javax/accessibility/Accessible.html" title="javax.accessibility中的接口">Accessible</a> ， <a href="../../../../javax/swing/MenuElement.html" title="javax.swing中的接口">MenuElement</a> ， <a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="javax.swing.plaf.basic中的接口">ComboPopup</a></span>
</dd>
</dl>
<dl>
<dt>
        已知直接子类：
       </dt>
<dd>
<span><a href="../../../../javax/swing/plaf/metal/MetalComboBoxUI.MetalComboPopup.html" title="javax.swing.plaf.metal中的类">MetalComboBoxUI.MetalComboPopup</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public class <span class="typeNameLabel">BasicComboPopup</span>
extends <a href="../../../../javax/swing/JPopupMenu.html" title="class in javax.swing">JPopupMenu</a>
implements <a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></pre>
<div class="block">
<span>这是一个基本的贯彻<code>ComboPopup</code>接口。</span>
<span>该类代表组合框的弹出部分的ui。</span>
<p> <span>所有事件处理由使用<code>createxxxListener()</code>方法和内部类创建的侦听器类来处理。</span> <span>您可以通过覆盖<code>createxxxListener()</code>方法并提供自己的事件侦听器或从此类中提供的子类化来更改此类的行为。</span> </p>
<p> <span><strong>警告：</strong>此类的序列化对象与将来的Swing版本不兼容。</span> <span>当前的序列化支持适用于运行相同版本的Swing的应用程序之间的短期存储或RMI。</span> <span>从1.4开始，对所有JavaBeans的长期存储的支持已经添加到<code>java.beans</code>包中。</span> <span>请参阅<a href="../../../../java/beans/XMLEncoder.html" title="java.beans中的类"><code>XMLEncoder</code></a> 。</span> </p>
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<!-- ======== NESTED CLASS SUMMARY ======== -->
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<span>Nested Classes</span>
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<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.InvocationKeyHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.InvocationKeyHandler</a></span></code>
<div class="block">
              从Java 2平台v 1.4开始，此类现在已经过时，仅用于向后兼容API。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.InvocationMouseHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.InvocationMouseHandler</a></span></code>
<div class="block">
              在组合框（ 
             <em>而不是</em>其弹出菜单）上注册的侦听器来处理影响弹出菜单状态的鼠标事件。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.InvocationMouseMotionHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.InvocationMouseMotionHandler</a></span></code>
<div class="block">
              如果拖动列表，该监听器将监视拖动并更新列表中的当前选择。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.ItemHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.ItemHandler</a></span></code>
<div class="block">
              此监听器监视组合框中对选择的更改。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.ListDataHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.ListDataHandler</a></span></code>
<div class="block">
              从1.4开始，这个类现在已经过时了，不做任何事情，只能包含用于向后兼容的API。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.ListMouseHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.ListMouseHandler</a></span></code>
<div class="block">
              当列表中释放鼠标时，此侦听器会隐藏弹出窗口。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.ListMouseMotionHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.ListMouseMotionHandler</a></span></code>
<div class="block">
              当您将鼠标移动到列表上时，此侦听器将更改所选项。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.ListSelectionHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.ListSelectionHandler</a></span></code>
<div class="block">
              从Java 2平台v 1.4开始，这个类现在已经过时了，不做任何事情，只包含在后端的API兼容性中。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.PropertyChangeHandler.html" title="class in javax.swing.plaf.basic">BasicComboPopup.PropertyChangeHandler</a></span></code>
<div class="block">
              该监听器监视组合框中已更改的绑定属性。 
            </div> </td>
</tr>
</tbody>
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<li class="blockList"><a name="nested.classes.inherited.from.class.javax.swing.JPopupMenu">
<!-- --> </a> <h3>Nested classes/interfaces inherited from class javax.swing.<a href="../../../../javax/swing/JPopupMenu.html" title="class in javax.swing">JPopupMenu</a></h3> <code><a href="../../../../javax/swing/JPopupMenu.AccessibleJPopupMenu.html" title="class in javax.swing">JPopupMenu.AccessibleJPopupMenu</a>, <a href="../../../../javax/swing/JPopupMenu.Separator.html" title="class in javax.swing">JPopupMenu.Separator</a></code></li>
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<!-- --> </a> <h3>Nested classes/interfaces inherited from class javax.swing.<a href="../../../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></h3> <code><a href="../../../../javax/swing/JComponent.AccessibleJComponent.html" title="class in javax.swing">JComponent.AccessibleJComponent</a></code></li>
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<!-- --> </a> <h3>Nested classes/interfaces inherited from class java.awt.<a href="../../../../java/awt/Component.html" title="class in java.awt">Component</a></h3> <code><a href="../../../../java/awt/Component.AccessibleAWTComponent.html" title="class in java.awt">Component.AccessibleAWTComponent</a>, <a href="../../../../java/awt/Component.BaselineResizeBehavior.html" title="enum in java.awt">Component.BaselineResizeBehavior</a>, <a href="../../../../java/awt/Component.BltBufferStrategy.html" title="class in java.awt">Component.BltBufferStrategy</a>, <a href="../../../../java/awt/Component.FlipBufferStrategy.html" title="class in java.awt">Component.FlipBufferStrategy</a></code></li>
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<!-- =========== FIELD SUMMARY =========== -->
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<span>Fields</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/Timer.html" title="class in javax.swing">Timer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#autoscrollTimer">autoscrollTimer</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/JComboBox.html" title="class in javax.swing">JComboBox</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#comboBox">comboBox</a></span></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#hasEntered">hasEntered</a></span></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#isAutoScrolling">isAutoScrolling</a></span></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/ItemListener.html" title="interface in java.awt.event">ItemListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#itemListener">itemListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/KeyListener.html" title="interface in java.awt.event">KeyListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#keyListener">keyListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/JList.html" title="class in javax.swing">JList</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#list">list</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/event/ListDataListener.html" title="interface in javax.swing.event">ListDataListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#listDataListener">listDataListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#listMouseListener">listMouseListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#listMouseMotionListener">listMouseMotionListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/event/ListSelectionListener.html" title="interface in javax.swing.event">ListSelectionListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#listSelectionListener">listSelectionListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#mouseListener">mouseListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#mouseMotionListener">mouseMotionListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../java/beans/PropertyChangeListener.html" title="interface in java.beans">PropertyChangeListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#propertyChangeListener">propertyChangeListener</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#SCROLL_DOWN">SCROLL_DOWN</a></span></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#SCROLL_UP">SCROLL_UP</a></span></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#scrollDirection">scrollDirection</a></span></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/JScrollPane.html" title="class in javax.swing">JScrollPane</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#scroller">scroller</a></span></code>
<div class="block">
              此保护字段是实现特定的。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#valueIsAdjusting">valueIsAdjusting</a></span></code>
<div class="block">
              从Java 2平台v1.4起，这个以前未记录的字段已不再使用了。 
            </div> </td>
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<span>构造方法</span>
<span class="tabEnd"> </span>
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<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#BasicComboPopup-javax.swing.JComboBox-">BasicComboPopup</a></span>(<a href="../../../../javax/swing/JComboBox.html" title="class in javax.swing">JComboBox</a> combo)</code> </td>
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<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
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<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#autoScrollDown--">autoScrollDown</a></span>()</code>
<div class="block">
              此受保护方法是实现特定的，应该是私有的。 
            </div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#autoScrollUp--">autoScrollUp</a></span>()</code>
<div class="block">
              此受保护方法是实现特定的，应该是私有的。 
            </div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>protected <a href="../../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#computePopupBounds-int-int-int-int-">computePopupBounds</a></span>(int px, int py, int pw, int ph)</code>
<div class="block">
              基于组合框位置和封闭屏幕边界，计算组合框的弹出部分的位置和大小。 
            </div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#configureList--">configureList</a></span>()</code>
<div class="block">
              配置用于在弹出窗口中保存组合框项目的列表。 
            </div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#configurePopup--">configurePopup</a></span>()</code>
<div class="block">
              配置组合框的弹出部分。 
            </div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#configureScroller--">configureScroller</a></span>()</code>
<div class="block">
              配置在组合框弹出窗口中保存列表的可滚动部分。 
            </div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#convertMouseEvent-java.awt.event.MouseEvent-">convertMouseEvent</a></span>(<a href="../../../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> e)</code> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/ItemListener.html" title="interface in java.awt.event">ItemListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createItemListener--">createItemListener</a></span>()</code>
<div class="block">
              创建一个 
             <code>ItemListener</code> ，它将被添加到组合框中。 
            </div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/KeyListener.html" title="interface in java.awt.event">KeyListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createKeyListener--">createKeyListener</a></span>()</code>
<div class="block">
              创建将添加到组合框的关键侦听器。 
            </div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/JList.html" title="class in javax.swing">JList</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createList--">createList</a></span>()</code>
<div class="block">
              创建弹出窗口中使用的JList，以显示组合框模型中的项目。 
            </div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/event/ListDataListener.html" title="interface in javax.swing.event">ListDataListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListDataListener--">createListDataListener</a></span>()</code>
<div class="block">
              创建将添加到 
             <code>ComboBoxModel</code>的列表数据监听器。 
            </div> </td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListMouseListener--">createListMouseListener</a></span>()</code>
<div class="block">
              创建一个鼠标监听器，在弹出的列表中监视鼠标事件。 
            </div> </td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListMouseMotionListener--">createListMouseMotionListener</a></span>()</code>
<div class="block">
              创建一个鼠标移动侦听器，在弹出的列表中监视鼠标移动事件。 
            </div> </td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/event/ListSelectionListener.html" title="interface in javax.swing.event">ListSelectionListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListSelectionListener--">createListSelectionListener</a></span>()</code>
<div class="block">
              创建一个列表选择监听器，用于在弹出列表中监视选择更改。 
            </div> </td>
</tr>
<tr class="altColor" id="i14">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createMouseListener--">createMouseListener</a></span>()</code>
<div class="block">
              创建一个监听器，它将在组合框上观察鼠标按键和释放事件。 
            </div> </td>
</tr>
<tr class="rowColor" id="i15">
<td class="colFirst"><code>protected <a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createMouseMotionListener--">createMouseMotionListener</a></span>()</code>
<div class="block">
              创建将添加到组合框的鼠标移动侦听器。 
            </div> </td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code>protected <a href="../../../../java/beans/PropertyChangeListener.html" title="interface in java.beans">PropertyChangeListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createPropertyChangeListener--">createPropertyChangeListener</a></span>()</code>
<div class="block">
              创建一个 
             <code>PropertyChangeListener</code> ，它将被添加到组合框中。 
            </div> </td>
</tr>
<tr class="rowColor" id="i17">
<td class="colFirst"><code>protected <a href="../../../../javax/swing/JScrollPane.html" title="class in javax.swing">JScrollPane</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createScroller--">createScroller</a></span>()</code>
<div class="block">
              创建容纳可滚动列表的滚动窗格。 
            </div> </td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#delegateFocus-java.awt.event.MouseEvent-">delegateFocus</a></span>(<a href="../../../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> e)</code>
<div class="block">
              这是一种实用方法，可帮助事件处理程序在弹出弹出窗口时找出发送焦点的位置。 
            </div> </td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#firePopupMenuCanceled--">firePopupMenuCanceled</a></span>()</code>
<div class="block">
              通知 
             <code>PopupMenuListeners</code>此弹出菜单被取消。 
            </div> </td>
</tr>
<tr class="altColor" id="i20">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#firePopupMenuWillBecomeInvisible--">firePopupMenuWillBecomeInvisible</a></span>()</code>
<div class="block">
              通知 
             <code>PopupMenuListener</code> s这个弹出菜单将变得不可见。 
            </div> </td>
</tr>
<tr class="rowColor" id="i21">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#firePopupMenuWillBecomeVisible--">firePopupMenuWillBecomeVisible</a></span>()</code>
<div class="block">
              通知 
             <code>PopupMenuListener</code> s这个弹出菜单将变得可见。 
            </div> </td>
</tr>
<tr class="altColor" id="i22">
<td class="colFirst"><code><a href="../../../../javax/accessibility/AccessibleContext.html" title="class in javax.accessibility">AccessibleContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getAccessibleContext--">getAccessibleContext</a></span>()</code>
<div class="block">
              获取与此BasicComboPopup关联的AccessibleContext。 
            </div> </td>
</tr>
<tr class="rowColor" id="i23">
<td class="colFirst"><code><a href="../../../../java/awt/event/KeyListener.html" title="interface in java.awt.event">KeyListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getKeyListener--">getKeyListener</a></span>()</code>
<div class="block">
              实现ComboPopup.getKeyListener（）。 
            </div> </td>
</tr>
<tr class="altColor" id="i24">
<td class="colFirst"><code><a href="../../../../javax/swing/JList.html" title="class in javax.swing">JList</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getList--">getList</a></span>()</code>
<div class="block">
              实现ComboPopup.getList（）。 
            </div> </td>
</tr>
<tr class="rowColor" id="i25">
<td class="colFirst"><code><a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getMouseListener--">getMouseListener</a></span>()</code>
<div class="block">
              实现ComboPopup.getMouseListener（）。 
            </div> </td>
</tr>
<tr class="altColor" id="i26">
<td class="colFirst"><code><a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getMouseMotionListener--">getMouseMotionListener</a></span>()</code>
<div class="block">
              实现ComboPopup.getMouseMotionListener（）。 
            </div> </td>
</tr>
<tr class="rowColor" id="i27">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getPopupHeightForRowCount-int-">getPopupHeightForRowCount</a></span>(int maxRowCount)</code>
<div class="block">
              根据当前的ListCellRenderer和最大行数检索弹出窗口的高度。 
            </div> </td>
</tr>
<tr class="altColor" id="i28">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#hide--">hide</a></span>()</code>
<div class="block">
              实现ComboPopup.hide（）。 
            </div> </td>
</tr>
<tr class="rowColor" id="i29">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#installComboBoxListeners--">installComboBoxListeners</a></span>()</code>
<div class="block">
              此方法将必要的侦听器添加到JComboBox。 
            </div> </td>
</tr>
<tr class="altColor" id="i30">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#installComboBoxModelListeners-javax.swing.ComboBoxModel-">installComboBoxModelListeners</a></span>(<a href="../../../../javax/swing/ComboBoxModel.html" title="interface in javax.swing">ComboBoxModel</a> model)</code>
<div class="block">
              在组合框模型上安装侦听器。 
            </div> </td>
</tr>
<tr class="rowColor" id="i31">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#installKeyboardActions--">installKeyboardActions</a></span>()</code> </td>
</tr>
<tr class="altColor" id="i32">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#installListListeners--">installListListeners</a></span>()</code>
<div class="block">
              将侦听器添加到列表控件。 
            </div> </td>
</tr>
<tr class="rowColor" id="i33">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#isFocusTraversable--">isFocusTraversable</a></span>()</code>
<div class="block">
              覆盖无条件返回假。 
            </div> </td>
</tr>
<tr class="altColor" id="i34">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#show--">show</a></span>()</code>
<div class="block">
              实现ComboPopup.show（）。 
            </div> </td>
</tr>
<tr class="rowColor" id="i35">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#startAutoScrolling-int-">startAutoScrolling</a></span>(int direction)</code>
<div class="block">
              此受保护方法是实现特定的，应该是私有的。 
            </div> </td>
</tr>
<tr class="altColor" id="i36">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#stopAutoScrolling--">stopAutoScrolling</a></span>()</code>
<div class="block">
              此受保护方法是实现特定的，应该是私有的。 
            </div> </td>
</tr>
<tr class="rowColor" id="i37">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#togglePopup--">togglePopup</a></span>()</code>
<div class="block">
              使弹出窗口可见，如果它是隐藏的，并使其隐藏，如果它是可见的。 
            </div> </td>
</tr>
<tr class="altColor" id="i38">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#uninstallComboBoxModelListeners-javax.swing.ComboBoxModel-">uninstallComboBoxModelListeners</a></span>(<a href="../../../../javax/swing/ComboBoxModel.html" title="interface in javax.swing">ComboBoxModel</a> model)</code>
<div class="block">
              从组合框模型中删除侦听器 
            </div> </td>
</tr>
<tr class="rowColor" id="i39">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#uninstallingUI--">uninstallingUI</a></span>()</code>
<div class="block">
              当UI卸载时调用。 
            </div> </td>
</tr>
<tr class="altColor" id="i40">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#uninstallKeyboardActions--">uninstallKeyboardActions</a></span>()</code> </td>
</tr>
<tr class="rowColor" id="i41">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#updateListBoxSelectionForEvent-java.awt.event.MouseEvent-boolean-">updateListBoxSelectionForEvent</a></span>(<a href="../../../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> anEvent, boolean shouldScroll)</code>
<div class="block">
              事件侦听器使用的实用方法。 
            </div> </td>
</tr>
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用accessor方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getList--"><code>getList()</code></a> ， 
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用create方法</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createScroller--"><code>createScroller()</code></a>
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>使用访问器或创建方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getMouseMotionListener--"><code>getMouseMotionListener()</code></a> ， 
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>使用访问器或创建方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getMouseListener--"><code>getMouseListener()</code></a> ， 
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>使用访问器或创建方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#getKeyListener--"><code>getKeyListener()</code></a> ， 
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用create方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListSelectionListener--"><code>createListSelectionListener()</code></a>
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用create方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListMouseListener--"><code>createListMouseListener()</code></a>
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<div class="block">
<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用create方法</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListMouseMotionListener--"><code>createListMouseMotionListener()</code></a>
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<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用create方法</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createPropertyChangeListener--"><code>createPropertyChangeListener()</code></a>
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<div class="block">
<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用create方法</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createListDataListener--"><code>createListDataListener()</code></a>
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<div class="block">
<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
<span>改用create方法</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createItemListener--"><code>createItemListener()</code></a>
</dd>
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<div class="block">
<span>此保护字段是实现特定的。</span>
<span>不要直接访问或覆盖。</span>
</div> </li>
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<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../constant-values.html#javax.swing.plaf.basic.BasicComboPopup.SCROLL_UP">Constant Field Values</a>
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<li class="blockList"> <h4>SCROLL_DOWN</h4> <pre>protected static final int SCROLL_DOWN</pre>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../constant-values.html#javax.swing.plaf.basic.BasicComboPopup.SCROLL_DOWN">Constant Field Values</a>
</dd>
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<li class="blockList"> <h4>show</h4> <pre>public void show()</pre>
<div class="block">
            实现ComboPopup.show（）。 
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<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html#show--">show</a></code>在界面 
            <code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></code>
</dd>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../../java/awt/Component.html#show--">show</a></code>在 
            <code><a href="../../../../java/awt/Component.html" title="class in java.awt">Component</a></code>
</dd>
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<ul class="blockList">
<li class="blockList"> <h4>hide</h4> <pre>public void hide()</pre>
<div class="block">
            实现ComboPopup.hide（）。 
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<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html#hide--">hide</a></code>在界面 
            <code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></code>
</dd>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/JComponent.html#hide--">hide</a></code>在 
            <code><a href="../../../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></code>
</dd>
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<li class="blockList"> <h4>getList</h4> <pre>public <a href="../../../../javax/swing/JList.html" title="class in javax.swing">JList</a> getList()</pre>
<div class="block">
            实现ComboPopup.getList（）。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html#getList--">getList</a></code>在界面 
            <code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></code>
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<li class="blockList"> <h4>getMouseListener</h4> <pre>public <a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a> getMouseListener()</pre>
<div class="block">
            实现ComboPopup.getMouseListener（）。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html#getMouseListener--">getMouseListener</a></code>在接口 
            <code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>MouseListener</code>或null 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/ComboPopup.html#getMouseListener--"><code>ComboPopup.getMouseListener()</code></a>
</dd>
</dl> </li>
</ul> <a name="getMouseMotionListener--">
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<ul class="blockList">
<li class="blockList"> <h4>getMouseMotionListener</h4> <pre>public <a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a> getMouseMotionListener()</pre>
<div class="block">
            实现ComboPopup.getMouseMotionListener（）。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html#getMouseMotionListener--">getMouseMotionListener</a></code>在界面 
            <code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>MouseMotionListener</code>或null 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/ComboPopup.html#getMouseMotionListener--"><code>ComboPopup.getMouseMotionListener()</code></a>
</dd>
</dl> </li>
</ul> <a name="getKeyListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getKeyListener</h4> <pre>public <a href="../../../../java/awt/event/KeyListener.html" title="interface in java.awt.event">KeyListener</a> getKeyListener()</pre>
<div class="block">
            实现ComboPopup.getKeyListener（）。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html#getKeyListener--">getKeyListener</a></code>在接口 
            <code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>KeyListener</code>或null 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/ComboPopup.html#getKeyListener--"><code>ComboPopup.getKeyListener()</code></a>
</dd>
</dl> </li>
</ul> <a name="uninstallingUI--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>uninstallingUI</h4> <pre>public void uninstallingUI()</pre>
<div class="block">
<span>当UI卸载时调用。</span>
<span>因为这个弹出窗口不在组件树中，所以它不会得到它的uninstallUI（）调用。</span>
<span>它删除在addComboBoxListeners（）中添加的侦听器。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html#uninstallingUI--">uninstallingUI</a></code>中的 
            <code><a href="../../../../javax/swing/plaf/basic/ComboPopup.html" title="interface in javax.swing.plaf.basic">ComboPopup</a></code>
</dd>
</dl> </li>
</ul> <a name="uninstallComboBoxModelListeners-javax.swing.ComboBoxModel-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>uninstallComboBoxModelListeners</h4> <pre>protected void uninstallComboBoxModelListeners(<a href="../../../../javax/swing/ComboBoxModel.html" title="interface in javax.swing">ComboBoxModel</a> model)</pre>
<div class="block">
            从组合框模型中删除侦听器 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>model</code> - 组合框模型来安装监听器 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#installComboBoxModelListeners-javax.swing.ComboBoxModel-"><code>installComboBoxModelListeners(javax.swing.ComboBoxModel)</code></a>
</dd>
</dl> </li>
</ul> <a name="uninstallKeyboardActions--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>uninstallKeyboardActions</h4> <pre>protected void uninstallKeyboardActions()</pre> </li>
</ul> <a name="firePopupMenuWillBecomeVisible--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>firePopupMenuWillBecomeVisible</h4> <pre>protected void firePopupMenuWillBecomeVisible()</pre>
<div class="block">
<span class="descfrmTypeLabel">描述从类别复制： <code><a href="../../../../javax/swing/JPopupMenu.html#firePopupMenuWillBecomeVisible--">JPopupMenu</a></code></span>
</div>
<div class="block">
            通知 
           <code>PopupMenuListener</code>这个弹出菜单将变得可见。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/JPopupMenu.html#firePopupMenuWillBecomeVisible--">firePopupMenuWillBecomeVisible</a></code>在 
            <code><a href="../../../../javax/swing/JPopupMenu.html" title="class in javax.swing">JPopupMenu</a></code>
</dd>
</dl> </li>
</ul> <a name="firePopupMenuWillBecomeInvisible--">
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<ul class="blockList">
<li class="blockList"> <h4>firePopupMenuWillBecomeInvisible</h4> <pre>protected void firePopupMenuWillBecomeInvisible()</pre>
<div class="block">
<span class="descfrmTypeLabel">描述从类别复制： <code><a href="../../../../javax/swing/JPopupMenu.html#firePopupMenuWillBecomeInvisible--">JPopupMenu</a></code></span>
</div>
<div class="block">
            通知 
           <code>PopupMenuListener</code> s这个弹出菜单将变得不可见。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/JPopupMenu.html#firePopupMenuWillBecomeInvisible--">firePopupMenuWillBecomeInvisible</a></code>在 
            <code><a href="../../../../javax/swing/JPopupMenu.html" title="class in javax.swing">JPopupMenu</a></code>
</dd>
</dl> </li>
</ul> <a name="firePopupMenuCanceled--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>firePopupMenuCanceled</h4> <pre>protected void firePopupMenuCanceled()</pre>
<div class="block">
<span class="descfrmTypeLabel">描述从类别复制： <code><a href="../../../../javax/swing/JPopupMenu.html#firePopupMenuCanceled--">JPopupMenu</a></code></span>
</div>
<div class="block">
            通知 
           <code>PopupMenuListeners</code>该弹出菜单被取消。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/JPopupMenu.html#firePopupMenuCanceled--">firePopupMenuCanceled</a></code>在 
            <code><a href="../../../../javax/swing/JPopupMenu.html" title="class in javax.swing">JPopupMenu</a></code>
</dd>
</dl> </li>
</ul> <a name="createMouseListener--">
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<ul class="blockList">
<li class="blockList"> <h4>createMouseListener</h4> <pre>protected <a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a> createMouseListener()</pre>
<div class="block">
<span>创建一个监听器，它将在组合框上观察鼠标按键和释放事件。</span>
<span><strong>警告：</strong>覆盖此方法时，请确保维护现有行为。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>MouseListener</code>将被添加到组合框或null 
           </dd>
</dl> </li>
</ul> <a name="createMouseMotionListener--">
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<ul class="blockList">
<li class="blockList"> <h4>createMouseMotionListener</h4> <pre>protected <a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a> createMouseMotionListener()</pre>
<div class="block">
<span>创建将添加到组合框的鼠标移动侦听器。</span>
<span><strong>警告：</strong>覆盖此方法时，请确保维护现有行为。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>MouseMotionListener</code>将被添加到组合框或null 
           </dd>
</dl> </li>
</ul> <a name="createKeyListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createKeyListener</h4> <pre>protected <a href="../../../../java/awt/event/KeyListener.html" title="interface in java.awt.event">KeyListener</a> createKeyListener()</pre>
<div class="block">
<span>创建将添加到组合框的关键侦听器。</span>
<span>如果此方法返回null，则不会将其添加到组合框中。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>KeyListener</code>或null 
           </dd>
</dl> </li>
</ul> <a name="createListSelectionListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createListSelectionListener</h4> <pre>protected <a href="../../../../javax/swing/event/ListSelectionListener.html" title="interface in javax.swing.event">ListSelectionListener</a> createListSelectionListener()</pre>
<div class="block">
<span>创建一个列表选择监听器，用于在弹出列表中监视选择更改。</span>
<span>如果此方法返回null，则不会将其添加到弹出列表。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>ListSelectionListener</code>的实例或null 
           </dd>
</dl> </li>
</ul> <a name="createListDataListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createListDataListener</h4> <pre>protected <a href="../../../../javax/swing/event/ListDataListener.html" title="interface in javax.swing.event">ListDataListener</a> createListDataListener()</pre>
<div class="block">
<span>创建将添加到<code>ComboBoxModel</code>的列表数据监听器。</span>
<span>如果此方法返回null，则不会将其添加到组合框模型中。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>ListDataListener</code>的实例或null 
           </dd>
</dl> </li>
</ul> <a name="createListMouseListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createListMouseListener</h4> <pre>protected <a href="../../../../java/awt/event/MouseListener.html" title="interface in java.awt.event">MouseListener</a> createListMouseListener()</pre>
<div class="block">
<span>创建一个鼠标监听器，在弹出的列表中监视鼠标事件。</span>
<span>如果此方法返回null，则不会将其添加到组合框中。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>MouseListener</code>的实例或null 
           </dd>
</dl> </li>
</ul> <a name="createListMouseMotionListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createListMouseMotionListener</h4> <pre>protected <a href="../../../../java/awt/event/MouseMotionListener.html" title="interface in java.awt.event">MouseMotionListener</a> createListMouseMotionListener()</pre>
<div class="block">
<span>创建一个鼠标移动侦听器，在弹出的列表中监视鼠标移动事件。</span>
<span>如果此方法返回null，则不会将其添加到组合框中。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>MouseMotionListener</code>或null的实例 
           </dd>
</dl> </li>
</ul> <a name="createPropertyChangeListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createPropertyChangeListener</h4> <pre>protected <a href="../../../../java/beans/PropertyChangeListener.html" title="interface in java.beans">PropertyChangeListener</a> createPropertyChangeListener()</pre>
<div class="block">
<span>创建一个<code>PropertyChangeListener</code> ，它将被添加到组合框中。</span>
<span>如果此方法返回null，则不会将其添加到组合框中。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>PropertyChangeListener</code>的实例或null 
           </dd>
</dl> </li>
</ul> <a name="createItemListener--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createItemListener</h4> <pre>protected <a href="../../../../java/awt/event/ItemListener.html" title="interface in java.awt.event">ItemListener</a> createItemListener()</pre>
<div class="block">
<span>创建一个<code>ItemListener</code>将被添加到组合框。</span>
<span>如果此方法返回null，则不会将其添加到组合框中。</span>
<p> <span>子类可以覆盖此方法以返回自己的ItemEvent处理程序的实例。</span> </p>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>ItemListener</code>的实例或null 
           </dd>
</dl> </li>
</ul> <a name="createList--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createList</h4> <pre>protected <a href="../../../../javax/swing/JList.html" title="class in javax.swing">JList</a> createList()</pre>
<div class="block">
<span>创建弹出窗口中使用的JList，以显示组合框模型中的项目。</span>
<span>创建UI类时调用此方法。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>JList</code>用于显示组合框项目 
           </dd>
</dl> </li>
</ul> <a name="configureList--">
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<ul class="blockList">
<li class="blockList"> <h4>configureList</h4> <pre>protected void configureList()</pre>
<div class="block">
<span>配置用于在弹出窗口中保存组合框项目的列表。</span>
<span>创建UI类时调用此方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#createList--"><code>createList()</code></a>
</dd>
</dl> </li>
</ul> <a name="installListListeners--">
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<ul class="blockList">
<li class="blockList"> <h4>installListListeners</h4> <pre>protected void installListListeners()</pre>
<div class="block">
            将侦听器添加到列表控件。 
          </div> </li>
</ul> <a name="createScroller--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createScroller</h4> <pre>protected <a href="../../../../javax/swing/JScrollPane.html" title="class in javax.swing">JScrollPane</a> createScroller()</pre>
<div class="block">
            创建容纳可滚动列表的滚动窗格。 
          </div> </li>
</ul> <a name="configureScroller--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>configureScroller</h4> <pre>protected void configureScroller()</pre>
<div class="block">
<span>配置在组合框弹出窗口中保存列表的可滚动部分。</span>
<span>创建UI类时调用此方法。</span>
</div> </li>
</ul> <a name="configurePopup--">
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<ul class="blockList">
<li class="blockList"> <h4>configurePopup</h4> <pre>protected void configurePopup()</pre>
<div class="block">
<span>配置组合框的弹出部分。</span>
<span>创建UI类时调用此方法。</span>
</div> </li>
</ul> <a name="installComboBoxListeners--">
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<ul class="blockList">
<li class="blockList"> <h4>installComboBoxListeners</h4> <pre>protected void installComboBoxListeners()</pre>
<div class="block">
            此方法将必要的侦听器添加到JComboBox。 
          </div> </li>
</ul> <a name="installComboBoxModelListeners-javax.swing.ComboBoxModel-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>installComboBoxModelListeners</h4> <pre>protected void installComboBoxModelListeners(<a href="../../../../javax/swing/ComboBoxModel.html" title="interface in javax.swing">ComboBoxModel</a> model)</pre>
<div class="block">
<span>在组合框模型上安装侦听器。</span>
<span>组合框模型中<code>uninstallComboBoxModelListeners</code>任何监听器应在<code>uninstallComboBoxModelListeners</code>中<code>uninstallComboBoxModelListeners</code> 。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>model</code> - 组合框模型来安装监听器 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../javax/swing/plaf/basic/BasicComboPopup.html#uninstallComboBoxModelListeners-javax.swing.ComboBoxModel-"><code>uninstallComboBoxModelListeners(javax.swing.ComboBoxModel)</code></a>
</dd>
</dl> </li>
</ul> <a name="installKeyboardActions--">
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<ul class="blockList">
<li class="blockList"> <h4>installKeyboardActions</h4> <pre>protected void installKeyboardActions()</pre> </li>
</ul> <a name="isFocusTraversable--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>isFocusTraversable</h4> <pre>public boolean isFocusTraversable()</pre>
<div class="block">
            覆盖无条件返回假。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../../java/awt/Component.html#isFocusTraversable--">isFocusTraversable</a></code>在 
            <code><a href="../../../../java/awt/Component.html" title="class in java.awt">Component</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span><code>true</code>如果这个<code>Component</code>是可对焦的;</span>
<span><code>false</code>否则</span>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../../java/awt/Component.html#setFocusable-boolean-"><code>Component.setFocusable(boolean)</code></a>
</dd>
</dl> </li>
</ul> <a name="startAutoScrolling-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>startAutoScrolling</h4> <pre>protected void startAutoScrolling(int direction)</pre>
<div class="block">
<span>此受保护方法是实现特定的，应该是私有的。</span>
<span>不要打电话或覆盖。</span>
</div> </li>
</ul> <a name="stopAutoScrolling--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>stopAutoScrolling</h4> <pre>protected void stopAutoScrolling()</pre>
<div class="block">
<span>此受保护方法是实现特定的，应该是私有的。</span>
<span>不要打电话或覆盖。</span>
</div> </li>
</ul> <a name="autoScrollUp--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>autoScrollUp</h4> <pre>protected void autoScrollUp()</pre>
<div class="block">
<span>此受保护方法是实现特定的，应该是私有的。</span>
<span>不要打电话或覆盖。</span>
</div> </li>
</ul> <a name="autoScrollDown--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>autoScrollDown</h4> <pre>protected void autoScrollDown()</pre>
<div class="block">
<span>此受保护方法是实现特定的，应该是私有的。</span>
<span>不要打电话或覆盖。</span>
</div> </li>
</ul> <a name="getAccessibleContext--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getAccessibleContext</h4> <pre>public <a href="../../../../javax/accessibility/AccessibleContext.html" title="class in javax.accessibility">AccessibleContext</a> getAccessibleContext()</pre>
<div class="block">
<span>获取与此BasicComboPopup关联的AccessibleContext。</span>
<span>AccessibleContext将其父设置为ComboBox。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/accessibility/Accessible.html#getAccessibleContext--">getAccessibleContext</a></code>在接口 
            <code><a href="../../../../javax/accessibility/Accessible.html" title="interface in javax.accessibility">Accessible</a></code>
</dd>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../../javax/swing/JPopupMenu.html#getAccessibleContext--">getAccessibleContext</a></code>在 
            <code><a href="../../../../javax/swing/JPopupMenu.html" title="class in javax.swing">JPopupMenu</a></code>类 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             BasicComboPopup的AccessibleContext 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.5 
           </dd>
</dl> </li>
</ul> <a name="delegateFocus-java.awt.event.MouseEvent-">
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<ul class="blockList">
<li class="blockList"> <h4>delegateFocus</h4> <pre>protected void delegateFocus(<a href="../../../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> e)</pre>
<div class="block">
<span>这是一种实用方法，可帮助事件处理程序在弹出弹出窗口时找出发送焦点的位置。</span>
<span>标准实现将焦点委托给编辑器（如果组合框可编辑）或JComboBox（如果不可编辑）。</span>
</div> </li>
</ul> <a name="togglePopup--">
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<ul class="blockList">
<li class="blockList"> <h4>togglePopup</h4> <pre>protected void togglePopup()</pre>
<div class="block">
            使弹出窗口可见，如果它是隐藏的，并使其隐藏，如果它是可见的。 
          </div> </li>
</ul> <a name="convertMouseEvent-java.awt.event.MouseEvent-">
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<li class="blockList"> <h4>getPopupHeightForRowCount</h4> <pre>protected int getPopupHeightForRowCount(int maxRowCount)</pre>
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            根据当前的ListCellRenderer和最大行数检索弹出窗口的高度。 
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<li class="blockList"> <h4>computePopupBounds</h4> <pre>protected <a href="../../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> computePopupBounds(int px,
                                       int py,
                                       int pw,
                                       int ph)</pre>
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<span>基于组合框位置和封闭屏幕边界，计算组合框的弹出部分的位置和大小。</span>
<span>如果不需要变换，则返回的矩形将具有与参数相同的值。</span>
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<span class="paramLabel">参数</span>
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<dd>
<code>px</code> - 启动x位置 
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<dd>
<code>py</code> - 开始y位置 
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<dd>
<code>pw</code> - 起始宽度 
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<dd>
<code>ph</code> - 起始高度 
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<span class="returnLabel">结果</span>
</dt>
<dd>
             一个矩形，表示弹出窗口的位置和大小 
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<li class="blockList"> <h4>updateListBoxSelectionForEvent</h4> <pre>protected void updateListBoxSelectionForEvent(<a href="../../../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> anEvent,
                                              boolean shouldScroll)</pre>
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<span>事件侦听器使用的实用方法。</span>
<span>给定一个鼠标事件，它将列表选择更改为鼠标下方的列表项。</span>
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