# C1.WPF.C1TreeViewPanel.OnClearChildren

## Content

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<h1 id="C1_WPF_C1TreeViewPanel_OnClearChildren_" data-uid="C1.WPF.C1TreeViewPanel.OnClearChildren*">OnClearChildren Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_C1TreeViewPanel_OnClearChildren_" data-uid="C1.WPF.C1TreeViewPanel.OnClearChildren*"></a>
<h4 id="C1_WPF_C1TreeViewPanel_OnClearChildren" data-uid="C1.WPF.C1TreeViewPanel.OnClearChildren">OnClearChildren()</h4>
<div class="markdown level1 summary"><p>Called when the collection of child elements is cleared by the base <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.controls.panel">Panel</a> class.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected override void OnClearChildren()</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overrides Sub OnClearChildren()</code></pre>
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<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.controls.virtualizingpanel.onclearchildren">VirtualizingPanel.OnClearChildren()</a></div>
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