# C1.Win.TreeView.C1TreeView.OnCheckStateChanged

## Content

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<h1 id="C1_Win_TreeView_C1TreeView_OnCheckStateChanged_" data-uid="C1.Win.TreeView.C1TreeView.OnCheckStateChanged*">OnCheckStateChanged Method
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<a id="C1_Win_TreeView_C1TreeView_OnCheckStateChanged_" data-uid="C1.Win.TreeView.C1TreeView.OnCheckStateChanged*"></a>
<h4 id="C1_Win_TreeView_C1TreeView_OnCheckStateChanged_C1_Win_TreeView_C1TreeViewEventArgs_" data-uid="C1.Win.TreeView.C1TreeView.OnCheckStateChanged(C1.Win.TreeView.C1TreeViewEventArgs)">OnCheckStateChanged(C1TreeViewEventArgs)</h4>
<div class="markdown level1 summary"><p>Fires the <a class="xref" href="C1.Win.TreeView.C1TreeView.CheckStateChanged.html">CheckStateChanged</a> event.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected virtual void OnCheckStateChanged(C1TreeViewEventArgs e)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnCheckStateChanged(e As C1TreeViewEventArgs)</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="C1.Win.TreeView.C1TreeViewEventArgs.html">C1TreeViewEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td></td>
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  </tbody>
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