# C1.WPF.RichTextBox.C1LineNumberTool.Update

## Content

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<h1 id="C1_WPF_RichTextBox_C1LineNumberTool_Update_" data-uid="C1.WPF.RichTextBox.C1LineNumberTool.Update*">Update Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_RichTextBox_C1LineNumberTool_Update_" data-uid="C1.WPF.RichTextBox.C1LineNumberTool.Update*"></a>
<h4 id="C1_WPF_RichTextBox_C1LineNumberTool_Update" data-uid="C1.WPF.RichTextBox.C1LineNumberTool.Update">Update()</h4>
<div class="markdown level1 summary"><p>Update the tool if there is any update from Toolbar and RichTextBox</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void Update()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub Update()</code></pre>
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<h5 class="implements">Implements</h5>
    <div><a class="xref" href="C1.WPF.RichTextBox.IUpdateableTool.Update.html#C1_WPF_RichTextBox_IUpdateableTool_Update">IUpdateableTool.Update()</a></div>
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