# DDCssLib.StyleSheet.IndexOf

## Content

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<h1 id="DDCssLib_StyleSheet_IndexOf_" data-uid="DDCssLib.StyleSheet.IndexOf*">IndexOf Method
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<div class="markdown level0 conceptual"></div>



<a id="DDCssLib_StyleSheet_IndexOf_" data-uid="DDCssLib.StyleSheet.IndexOf*"></a>
<h4 id="DDCssLib_StyleSheet_IndexOf_System_Object_" data-uid="DDCssLib.StyleSheet.IndexOf(System.Object)">IndexOf(object)</h4>
<div class="markdown level1 summary"><p>Determines the index of a specific item in the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ilist">IList</a>.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public int IndexOf(object value)</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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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">value</span></td>
      <td><p>The <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a> to locate in the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ilist">IList</a>.</p>
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    </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.int32">int</a></td>
      <td><p>The index of <code class="paramref">value</code> if found in the list; otherwise, -1.</p>
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    </tr>
  </tbody>
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<h5 class="implements">Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ilist.indexof">IList.IndexOf(object)</a></div>
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