# C1.Win.C1Editor.Internal.HTML.IHTMLTxtRange.expand

## Content

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<h1 id="C1_Win_C1Editor_Internal_HTML_IHTMLTxtRange_expand_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLTxtRange.expand*">expand Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_C1Editor_Internal_HTML_IHTMLTxtRange_expand_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLTxtRange.expand*"></a>
<h4 id="C1_Win_C1Editor_Internal_HTML_IHTMLTxtRange_expand_System_String_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLTxtRange.expand(System.String)">expand(string)</h4>
<div class="markdown level1 summary"><p>
  <code>expand</code> method of <code>IHTMLTxtRange</code> interface.</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">bool expand(string Unit)</code></pre>
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  <pre><code class="lang-vbnet hljs">Function expand(Unit As String) As Boolean</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">Unit</span></td>
      <td></td>
    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td></td>
    </tr>
  </tbody>
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<h5 id="C1_Win_C1Editor_Internal_HTML_IHTMLTxtRange_expand_System_String__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>An original IDL definition of <code>expand</code> method was the following:  <code>HRESULT expand (BSTR Unit, [out, retval] VARIANT_BOOL* ReturnValue)</code>;</p>
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