uTools-Manuals/docs/java/javax/accessibility/AccessibleValue.html

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<div class="header">
<div class="subTitle">
javax.accessibility
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<h2 class="title" title="Interface AccessibleValue">Interface AccessibleValue</h2>
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<div class="description">
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所有已知实现类:
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<dd>
<span><a href="../../javax/swing/AbstractButton.AccessibleAbstractButton.html" title="javax.swing中的类">AbstractButton.AccessibleAbstractButton</a> <a href="../../java/awt/Button.AccessibleAWTButton.html" title="java.awt中的类">Button.AccessibleAWTButton</a> <a href="../../java/awt/Checkbox.AccessibleAWTCheckbox.html" title="java.awt中的类">Checkbox.AccessibleAWTCheckbox</a> <a href="../../java/awt/CheckboxMenuItem.AccessibleAWTCheckboxMenuItem.html" title="java.awt中的类">CheckboxMenuItem.AccessibleAWTCheckboxMenuItem</a> <a href="../../javax/swing/JButton.AccessibleJButton.html" title="javax.swing中的类">JButton.AccessibleJButton</a> <a href="../../javax/swing/JCheckBox.AccessibleJCheckBox.html" title="javax.swing中的类">JCheckBox.AccessibleJCheckBox</a> <a href="../../javax/swing/JCheckBoxMenuItem.AccessibleJCheckBoxMenuItem.html" title="javax.swing中的类">JCheckBoxMenuItem.AccessibleJCheckBoxMenuItem</a> <a href="../../javax/swing/JInternalFrame.AccessibleJInternalFrame.html" title="javax.swing中的类">JInternalFrame.AccessibleJInternalFrame</a> <a href="../../javax/swing/JInternalFrame.JDesktopIcon.AccessibleJDesktopIcon.html" title="javax.swing中的类">JInternalFrame.JDesktopIcon.AccessibleJDesktopIcon</a> <a href="../../javax/swing/JMenu.AccessibleJMenu.html" title="javax.swing中的类">JMenu.AccessibleJMenu</a> <a href="../../javax/swing/JMenuItem.AccessibleJMenuItem.html" title="javax.swing中的类">JMenuItem.AccessibleJMenuItem</a> <a href="../../javax/swing/JProgressBar.AccessibleJProgressBar.html" title="javax.swing中的类">JProgressBar.AccessibleJProgressBar</a> <a href="../../javax/swing/JRadioButton.AccessibleJRadioButton.html" title="javax.swing中的类">JRadioButton.AccessibleJRadioButton</a> <a href="../../javax/swing/JRadioButtonMenuItem.AccessibleJRadioButtonMenuItem.html" title="javax.swing中的类">JRadioButtonMenuItem.AccessibleJRadioButtonMenuItem</a> <a href="../../javax/swing/JScrollBar.AccessibleJScrollBar.html" title="javax.swing中的类">JScrollBar.AccessibleJScrollBar</a> <a href="../../javax/swing/JSlider.AccessibleJSlider.html" title="javax.swing中的类">JSlider.AccessibleJSlider</a> <a href="../../javax/swing/JSpinner.AccessibleJSpinner.html" title="javax.swing中的类">JSpinner.AccessibleJSpinner</a> <a href="../../javax/swing/JSplitPane.AccessibleJSplitPane.html" title="javax.swing中的类">JSplitPane.AccessibleJSplitPane</a> <a href="../../javax/swing/JToggleButton.AccessibleJToggleButton.html" title="javax.swing中的类">JToggleButton.AccessibleJToggleButton</a> <a href="../../java/awt/Menu.AccessibleAWTMenu.html" title="java.awt中的类">Menu.AccessibleAWTMenu</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> <a href="../../java/awt/Scrollbar.AccessibleAWTScrollBar.html" title="java.awt中的类">Scrollbar.AccessibleAWTScrollBar</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">AccessibleValue</span></pre>
<div class="block">
<span>AccessibleValue界面应该由支持数值的任何对象例如滚动条支持。</span>
<span>该界面提供了辅助技术的标准机制,用于确定和设置数值以及获取最小值和最大值。</span>
<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#getAccessibleValue--"><code>AccessibleContext.getAccessibleValue()</code></a>方法来确定对象是否支持AccessibleValue接口。</span>
<span>如果返回值不为空,则该对象支持该接口。</span>
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<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<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#getAccessibleValue--"><code>AccessibleContext.getAccessibleValue()</code></a></span>
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<!-- --> </a> <h3>方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<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="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code><a href="../../java/lang/Number.html" title="class in java.lang">Number</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleValue.html#getCurrentAccessibleValue--">getCurrentAccessibleValue</a></span>()</code>
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将该对象的值作为数字获取。
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<tr class="rowColor" id="i1">
<td class="colFirst"><code><a href="../../java/lang/Number.html" title="class in java.lang">Number</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleValue.html#getMaximumAccessibleValue--">getMaximumAccessibleValue</a></span>()</code>
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获取该对象的最大值作为数字。
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<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="../../java/lang/Number.html" title="class in java.lang">Number</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleValue.html#getMinimumAccessibleValue--">getMinimumAccessibleValue</a></span>()</code>
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将此对象的最小值作为数字获取。
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/accessibility/AccessibleValue.html#setCurrentAccessibleValue-java.lang.Number-">setCurrentAccessibleValue</a></span>(<a href="../../java/lang/Number.html" title="class in java.lang">Number</a> n)</code>
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将此对象的值设置为数字。
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<li class="blockList"> <h4>getCurrentAccessibleValue</h4> <pre><a href="../../java/lang/Number.html" title="class in java.lang">Number</a> getCurrentAccessibleValue()</pre>
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<span>将该对象的值作为数字获取。</span>
<span>如果未设置该值,返回值将为空。</span>
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<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
对象的值
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/accessibility/AccessibleValue.html#setCurrentAccessibleValue-java.lang.Number-"><code>setCurrentAccessibleValue(java.lang.Number)</code></a>
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<li class="blockList"> <h4>setCurrentAccessibleValue</h4> <pre>boolean setCurrentAccessibleValue(<a href="../../java/lang/Number.html" title="class in java.lang">Number</a> n)</pre>
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将此对象的值设置为数字。
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<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>n</code> - 用作数值的数字
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<span class="returnLabel">结果</span>
</dt>
<dd>
<span>如果设置了该值,则为真;</span>
<span>否则假</span>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/accessibility/AccessibleValue.html#getCurrentAccessibleValue--"><code>getCurrentAccessibleValue()</code></a>
</dd>
</dl> </li>
</ul> <a name="getMinimumAccessibleValue--">
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<ul class="blockList">
<li class="blockList"> <h4>getMinimumAccessibleValue</h4> <pre><a href="../../java/lang/Number.html" title="class in java.lang">Number</a> getMinimumAccessibleValue()</pre>
<div class="block">
将此对象的最小值作为数字获取。
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<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>对象的最小值;</span>
<span>如果此对象没有最小值则为null</span>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/accessibility/AccessibleValue.html#getMaximumAccessibleValue--"><code>getMaximumAccessibleValue()</code></a>
</dd>
</dl> </li>
</ul> <a name="getMaximumAccessibleValue--">
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<ul class="blockListLast">
<li class="blockList"> <h4>getMaximumAccessibleValue</h4> <pre><a href="../../java/lang/Number.html" title="class in java.lang">Number</a> getMaximumAccessibleValue()</pre>
<div class="block">
获取该对象的最大值作为数字。
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<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>对象的最大值;</span>
<span>如果此对象没有最大值则为null</span>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/accessibility/AccessibleValue.html#getMinimumAccessibleValue--"><code>getMinimumAccessibleValue()</code></a>
</dd>
</dl> </li>
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