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<div class="header">
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javax.accessibility
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<h2 class="title" title="Interface AccessibleSelection">Interface AccessibleSelection</h2>
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</div><div class="contentContainer">
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<div class="description">
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<dl>
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<dt>
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所有已知实现类：
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</dt>
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<dd>
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<span><a href="../../java/awt/CheckboxMenuItem.AccessibleAWTCheckboxMenuItem.html" title="java.awt中的类">CheckboxMenuItem.AccessibleAWTCheckboxMenuItem</a> ， <a href="../../javax/swing/JComboBox.AccessibleJComboBox.html" title="javax.swing中的类">JComboBox.AccessibleJComboBox</a> ， <a href="../../javax/swing/JList.AccessibleJList.html" title="javax.swing中的类">JList.AccessibleJList</a> ， <a href="../../javax/swing/JMenu.AccessibleJMenu.html" title="javax.swing中的类">JMenu.AccessibleJMenu</a> ， <a href="../../javax/swing/JMenuBar.AccessibleJMenuBar.html" title="javax.swing中的类">JMenuBar.AccessibleJMenuBar</a> ， <a href="../../javax/swing/JTabbedPane.AccessibleJTabbedPane.html" title="javax.swing中的类">JTabbedPane.AccessibleJTabbedPane</a> ， <a href="../../javax/swing/JTable.AccessibleJTable.html" title="javax.swing中的类">JTable.AccessibleJTable</a> ， <a href="../../javax/swing/JTree.AccessibleJTree.html" title="javax.swing中的类">JTree.AccessibleJTree</a> ， <a href="../../javax/swing/JTree.AccessibleJTree.AccessibleJTreeNode.html" title="javax.swing中的类">JTree.AccessibleJTree.AccessibleJTreeNode</a> ， <a href="../../java/awt/List.AccessibleAWTList.html" title="java.awt中的类">List.AccessibleAWTList</a> ， <a href="../../java/awt/Menu.AccessibleAWTMenu.html" title="java.awt中的类">Menu.AccessibleAWTMenu</a> ， <a href="../../java/awt/MenuBar.AccessibleAWTMenuBar.html" title="java.awt中的类">MenuBar.AccessibleAWTMenuBar</a> ， <a href="../../java/awt/MenuComponent.AccessibleAWTMenuComponent.html" title="java.awt中的类">MenuComponent.AccessibleAWTMenuComponent</a> ， <a href="../../java/awt/MenuItem.AccessibleAWTMenuItem.html" title="java.awt中的类">MenuItem.AccessibleAWTMenuItem</a> ， <a href="../../java/awt/PopupMenu.AccessibleAWTPopupMenu.html" title="java.awt中的类">PopupMenu.AccessibleAWTPopupMenu</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">AccessibleSelection</span></pre>
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<div class="block">
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<span>该AccessibleSelection界面提供了辅助技术的标准机制，以确定当前所选择的孩子是什么，以及修改选择集。</span>
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<span>具有可选择的子项的任何对象都应该支持AccessibleSelection接口。</span>
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<span>应用程序可以通过首先获取其AccessibleContext（参见<a href="../../javax/accessibility/Accessible.html" title="javax.accessibility中的接口"><code>Accessible</code></a> ），然后调用<a href="../../javax/accessibility/AccessibleContext.html#getAccessibleSelection--"><code>AccessibleContext.getAccessibleSelection()</code></a>方法来确定对象是否支持AccessibleSelection接口。</span>
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<span>如果返回值不为空，则该对象支持该接口。</span>
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</div>
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<dl>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<span><a href="../../javax/accessibility/Accessible.html" title="javax.accessibility中的接口"><code>Accessible</code></a> ， <a href="../../javax/accessibility/Accessible.html#getAccessibleContext--"><code>Accessible.getAccessibleContext()</code></a> ， <a href="../../javax/accessibility/AccessibleContext.html" title="javax.accessibility中的类"><code>AccessibleContext</code></a> ， <a href="../../javax/accessibility/AccessibleContext.html#getAccessibleSelection--"><code>AccessibleContext.getAccessibleSelection()</code></a></span>
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</dd>
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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<!-- ========== METHOD SUMMARY =========== -->
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<li class="blockList"><a name="method.summary">
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleSelection.html#addAccessibleSelection-int-">addAccessibleSelection</a></span>(int i)</code>
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<div class="block">
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将对象的指定Accessible子对象添加到对象的选择中。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleSelection.html#clearAccessibleSelection--">clearAccessibleSelection</a></span>()</code>
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<div class="block">
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清除对象中的选择，以使对象中没有子对象被选中。
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code><a href="../../javax/accessibility/Accessible.html" title="interface in javax.accessibility">Accessible</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleSelection.html#getAccessibleSelection-int-">getAccessibleSelection</a></span>(int i)</code>
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<div class="block">
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返回表示对象的指定选定子对象的Accessible。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleSelection.html#getAccessibleSelectionCount--">getAccessibleSelectionCount</a></span>()</code>
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<div class="block">
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返回当前选择的可访问儿童的数量。
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</div> </td>
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</tr>
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<tr class="altColor" id="i4">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleSelection.html#isAccessibleChildSelected-int-">isAccessibleChildSelected</a></span>(int i)</code>
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<div class="block">
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确定是否选择了此对象的当前子级。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i5">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleSelection.html#removeAccessibleSelection-int-">removeAccessibleSelection</a></span>(int i)</code>
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从对象的选择中删除对象的指定子对象。
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</div> </td>
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</tr>
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<tr class="altColor" id="i6">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleSelection.html#selectAllAccessibleSelection--">selectAllAccessibleSelection</a></span>()</code>
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<div class="block">
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如果对象支持多个选择，则导致选择对象的每个子对象。
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</div> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<!-- ============ METHOD DETAIL ========== -->
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="getAccessibleSelectionCount--">
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<ul class="blockList">
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<li class="blockList"> <h4>getAccessibleSelectionCount</h4> <pre>int getAccessibleSelectionCount()</pre>
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<div class="block">
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<span>返回当前选择的可访问儿童的数量。</span>
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<span>如果没有选择小孩，则返回值为0。</span>
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</div>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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当前选择的项目数。
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</dd>
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</dl> </li>
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</ul> <a name="getAccessibleSelection-int-">
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<li class="blockList"> <h4>getAccessibleSelection</h4> <pre><a href="../../javax/accessibility/Accessible.html" title="interface in javax.accessibility">Accessible</a> getAccessibleSelection(int i)</pre>
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<div class="block">
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<span>返回表示对象的指定选定子对象的Accessible。</span>
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<span>如果没有选择，或者选择的孩子比传入的整数少，则返回值将为null。</span>
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<p> <span>请注意，该索引代表第i个所选子项，该子与第i个子不同。</span> </p>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>i</code> - 所选儿童的零
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<code>i</code>引
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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第i个选定的孩子
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../javax/accessibility/AccessibleSelection.html#getAccessibleSelectionCount--"><code>getAccessibleSelectionCount()</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="isAccessibleChildSelected-int-">
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<li class="blockList"> <h4>isAccessibleChildSelected</h4> <pre>boolean isAccessibleChildSelected(int i)</pre>
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<div class="block">
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确定是否选择了此对象的当前子级。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>i</code> - 此Accessible对象
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<code>i</code>的从零开始的索引。
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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<span>如果选择了该对象的当前子对象，则为true;</span>
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<span>否则假。</span>
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../javax/accessibility/AccessibleContext.html#getAccessibleChild-int-"><code>AccessibleContext.getAccessibleChild(int)</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="addAccessibleSelection-int-">
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<ul class="blockList">
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<li class="blockList"> <h4>addAccessibleSelection</h4> <pre>void addAccessibleSelection(int i)</pre>
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<div class="block">
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<span>将对象的指定Accessible子对象添加到对象的选择中。</span>
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<span>如果对象支持多个选择，则指定的子项将添加到任何现有的选择中，否则将替换对象中的任何现有选择。</span>
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<span>如果指定的子项已被选中，则此方法无效。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>i</code> - 小孩的零
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<code>i</code>引
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../javax/accessibility/AccessibleContext.html#getAccessibleChild-int-"><code>AccessibleContext.getAccessibleChild(int)</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="removeAccessibleSelection-int-">
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<ul class="blockList">
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<li class="blockList"> <h4>removeAccessibleSelection</h4> <pre>void removeAccessibleSelection(int i)</pre>
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<div class="block">
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<span>从对象的选择中删除对象的指定子对象。</span>
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<span>如果当前未选择指定的项目，则此方法无效。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>i</code> - 小孩的从零开始的索引
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../javax/accessibility/AccessibleContext.html#getAccessibleChild-int-"><code>AccessibleContext.getAccessibleChild(int)</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="clearAccessibleSelection--">
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<ul class="blockList">
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<li class="blockList"> <h4>clearAccessibleSelection</h4> <pre>void clearAccessibleSelection()</pre>
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<div class="block">
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清除对象中的选择，以使对象中没有子对象被选中。
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</div> </li>
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</ul> <a name="selectAllAccessibleSelection--">
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<ul class="blockListLast">
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<li class="blockList"> <h4>selectAllAccessibleSelection</h4> <pre>void selectAllAccessibleSelection()</pre>
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<div class="block">
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如果对象支持多个选择，则导致选择对象的每个子对象。
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</div> </li>
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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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