# C1.WPF.RichTextBox.Documents.C1TextRange.ToLowercase

## Content

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<h1 id="C1_WPF_RichTextBox_Documents_C1TextRange_ToLowercase_" data-uid="C1.WPF.RichTextBox.Documents.C1TextRange.ToLowercase*">ToLowercase Method
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<a id="C1_WPF_RichTextBox_Documents_C1TextRange_ToLowercase_" data-uid="C1.WPF.RichTextBox.Documents.C1TextRange.ToLowercase*"></a>
<h4 id="C1_WPF_RichTextBox_Documents_C1TextRange_ToLowercase" data-uid="C1.WPF.RichTextBox.Documents.C1TextRange.ToLowercase">ToLowercase()</h4>
<div class="markdown level1 summary"><p>Converts all characters in the range to lower case.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void ToLowercase()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub ToLowercase()</code></pre>
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