# C1.Win.Util.CodeRange.IsSurrogateHigh

## Content

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<h1 id="C1_Win_Util_CodeRange_IsSurrogateHigh_" data-uid="C1.Win.Util.CodeRange.IsSurrogateHigh*">IsSurrogateHigh Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Win_Util_CodeRange_IsSurrogateHigh_" data-uid="C1.Win.Util.CodeRange.IsSurrogateHigh*"></a>
<h4 id="C1_Win_Util_CodeRange_IsSurrogateHigh_System_Char_" data-uid="C1.Win.Util.CodeRange.IsSurrogateHigh(System.Char)">IsSurrogateHigh(char)</h4>
<div class="markdown level1 summary"><p>Whether is high code (Unicode) of surrogate character.</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">public static bool IsSurrogateHigh(char ch)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Function IsSurrogateHigh(ch As Char) As Boolean</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.char">char</a></td>
      <td><span class="parametername">ch</span></td>
      <td><p>The character for test.</p>
</td>
    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p><b>true</b> if is high code of surrogate character, otherwise <b>false</b>.</p>
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    </tr>
  </tbody>
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