# C1.Win.Util.CodeRange.ToUtf32

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_Win_Util_CodeRange_ToUtf32_" data-uid="C1.Win.Util.CodeRange.ToUtf32*">ToUtf32 Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_Util_CodeRange_ToUtf32_" data-uid="C1.Win.Util.CodeRange.ToUtf32*"></a>
<h4 id="C1_Win_Util_CodeRange_ToUtf32_System_Char_System_Char_" data-uid="C1.Win.Util.CodeRange.ToUtf32(System.Char,System.Char)">ToUtf32(char, char)</h4>
<div class="markdown level1 summary"><p>Convert surrogate pair to UTF32 code.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public static int ToUtf32(char highSurrogate, char lowSurrogate)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Shared Function ToUtf32(highSurrogate As Char, lowSurrogate As Char) As Integer</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.char">char</a></td>
      <td><span class="parametername">highSurrogate</span></td>
      <td><p>The high code (Unicode) of surrogate character.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.char">char</a></td>
      <td><span class="parametername">lowSurrogate</span></td>
      <td><p>The high code (Unicode) of surrogate character.</p>
</td>
    </tr>
  </tbody>
</table>
<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.int32">int</a></td>
      <td><p>The UTF32 code.</p>
</td>
    </tr>
  </tbody>
</table>


<a id="C1_Win_Util_CodeRange_ToUtf32_" data-uid="C1.Win.Util.CodeRange.ToUtf32*"></a>
<h4 id="C1_Win_Util_CodeRange_ToUtf32_System_String_System_Int32_" data-uid="C1.Win.Util.CodeRange.ToUtf32(System.String,System.Int32)">ToUtf32(string, int)</h4>
<div class="markdown level1 summary"><p>Convert text's character (maybe with surrogate pairs) to UTF32 code.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public static int ToUtf32(string text, int idx)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Shared Function ToUtf32(text As String, idx As Integer) As Integer</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">text</span></td>
      <td><p>The text string for test.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">idx</span></td>
      <td><p>The index of text.</p>
</td>
    </tr>
  </tbody>
</table>
<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.int32">int</a></td>
      <td><p>The UTF32 code.</p>
</td>
    </tr>
  </tbody>
</table>
</div>