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<td >Qt 5.9</td><td ><a href="qtquickcontrols2-index.html">Qt Quick Controls 2</a></td><td ><a href="qtquick-controls2-qmlmodule.html">QML Types</a></td><td >RadioButton QML Type</td></tr></table><table class="buildversion"><tr>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">RadioButton QML Type</h1>
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<!-- $$$RadioButton-brief -->
<p>Exclusive radio button that can be toggled on or off. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import QtQuick.Controls 2.2</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.7</td></tr></table></div><ul>
<li><a href="qml-qtquick-controls2-radiobutton-members.html">List of all members, including inherited members</a></li>
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<h2 id="details">Detailed Description</h2>
<p class="centerAlign"><img src="images/qtquickcontrols2-radiobutton.gif" alt="" /></p><p><a href="qml-qtquick-controls2-radiobutton.html">RadioButton</a> presents an option button that can be toggled on (checked) or off (unchecked). Radio buttons are typically used to select one option from a set of options.</p>
<p><a href="qml-qtquick-controls2-radiobutton.html">RadioButton</a> inherits its API from <a href="qml-qtquick-controls2-abstractbutton.html">AbstractButton</a>. For instance, you can set <a href="qml-qtquick-controls2-abstractbutton.html#text-prop">text</a> and react to <a href="qml-qtquick-controls2-abstractbutton.html#clicked-signal">clicks</a> using the <a href="qml-qtquick-controls2-abstractbutton.html">AbstractButton</a> API. The state of the radio button can be set with the <a href="qml-qtquick-controls2-abstractbutton.html#checked-prop">checked</a> property.</p>
<p>Radio buttons are <a href="qml-qtquick-controls2-abstractbutton.html#autoExclusive-prop">auto-exclusive</a> by default. Only one button can be checked at any time amongst radio buttons that belong to the same parent item; checking another button automatically unchecks the previously checked one. For radio buttons that do not share a common parent, <a href="qml-qtquick-controls2-buttongroup.html">ButtonGroup</a> can be used to manage exclusivity.</p>
<p><a href="qml-qtquick-controls2-radiodelegate.html">RadioDelegate</a> is similar to <a href="qml-qtquick-controls2-radiobutton.html">RadioButton</a>, except that it is typically used in views.</p>
<pre class="cpp">
ColumnLayout {
RadioButton {
checked: <span class="keyword">true</span>
text: qsTr(<span class="string">"First"</span>)
}
RadioButton {
text: qsTr(<span class="string">"Second"</span>)
}
RadioButton {
text: qsTr(<span class="string">"Third"</span>)
}
}
</pre>
<p><b>See also </b><a href="qml-qtquick-controls2-buttongroup.html">ButtonGroup</a>, <a href="qtquickcontrols2-customize.html#customizing-radiobutton">Customizing RadioButton</a>, <a href="qtquickcontrols2-buttons.html">Button Controls</a>, and <a href="qml-qtquick-controls2-radiodelegate.html">RadioDelegate</a>.</p>
<!-- @@@RadioButton -->
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