<p>React TriStateCheckbox is used to select either "true", "false" or "null" as the value.</p>
<h3 id="setup">Setup</h3>
<p>Refer to PrimeReact <a target="_blank" href="https://primefaces.org/primereact/showcase/#/setup">setup documentation</a> for download and installation steps for your environment.</p>
<h3 id="import">Import</h3>
<pre><code class="lang-js"><span class="hljs-keyword">import</span> {TriStateCheckbox} <span class="hljs-keyword">from</span> <span class="hljs-string">'primereact/tristatecheckbox'</span>;
</code></pre>
<h3 id="getting-started">Getting Started</h3>
<p>TriStateCheckbox is used as a controlled input with <strong>checked</strong> and <strong>onChange</strong> properties.</p>
<pre><code class="lang-html"><span class="hljs-tag">&lt;<span class="hljs-name">TriStateCheckbox</span> <span class="hljs-attr">value</span>=<span class="hljs-string">{value}</span> <span class="hljs-attr">onChange</span>=<span class="hljs-string">{(e)</span> =&gt;</span> setValue(e.value)} /&gt;
</code></pre>
<h3 id="theming">Theming</h3>
<p>TriStateCheckbox supports various themes featuring Material, Bootstrap, Fluent as well as your own custom themes via the <a target="_blank" href="https://primefaces.org/primereact/showcase/#/theming">Designer</a> tool.</p>
<h3 id="resources">Resources</h3>
<p>Visit the PrimeReact <a target="_blank" href="https://primefaces.org/primereact/showcase/#/tristatecheckbox">TriStateCheckbox</a> showcase for demos and documentation.</p>


React TriStateCheckbox is used to select either "true", "false" or "null" as the value.

### Setup

Refer to PrimeReact [setup documentation](https://primefaces.org/primereact/showcase/#/setup) for download and installation steps for your environment.

### Import

```js
import {TriStateCheckbox} from 'primereact/tristatecheckbox';
``` 

### Getting Started

TriStateCheckbox is used as a controlled input with **checked** and **onChange** properties.

```html
<TriStateCheckbox value={value} onChange={(e) => setValue(e.value)} />
```

### Theming

TriStateCheckbox supports various themes featuring Material, Bootstrap, Fluent as well as your own custom themes via the [Designer](https://primefaces.org/primereact/showcase/#/theming) tool.

### Resources

Visit the PrimeReact [TriStateCheckbox](https://primefaces.org/primereact/showcase/#/tristatecheckbox) showcase for demos and documentation.
