# C1.Win.TreeView.C1TreeView.UncheckAll

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<h1 id="C1_Win_TreeView_C1TreeView_UncheckAll_" data-uid="C1.Win.TreeView.C1TreeView.UncheckAll*">UncheckAll Method
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<a id="C1_Win_TreeView_C1TreeView_UncheckAll_" data-uid="C1.Win.TreeView.C1TreeView.UncheckAll*"></a>
<h4 id="C1_Win_TreeView_C1TreeView_UncheckAll" data-uid="C1.Win.TreeView.C1TreeView.UncheckAll">UncheckAll()</h4>
<div class="markdown level1 summary"><p>Unchecks all nodes in the tree view control.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void UncheckAll()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub UncheckAll()</code></pre>
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