# C1.Win.List.C1DisplayColumnCollection.IndexOf

## Content

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



<h1 id="C1_Win_List_C1DisplayColumnCollection_IndexOf_" data-uid="C1.Win.List.C1DisplayColumnCollection.IndexOf*">IndexOf Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_List_C1DisplayColumnCollection_IndexOf_" data-uid="C1.Win.List.C1DisplayColumnCollection.IndexOf*"></a>
<h4 id="C1_Win_List_C1DisplayColumnCollection_IndexOf_C1_Win_List_C1DisplayColumn_" data-uid="C1.Win.List.C1DisplayColumnCollection.IndexOf(C1.Win.List.C1DisplayColumn)">IndexOf(C1DisplayColumn)</h4>
<div class="markdown level1 summary"><p>Gets the index of the <a class="xref" href="C1.Win.List.C1DisplayColumn.html">C1DisplayColumn</a>.</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 int IndexOf(C1DisplayColumn vc)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function IndexOf(vc As C1DisplayColumn) 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="C1.Win.List.C1DisplayColumn.html">C1DisplayColumn</a></td>
      <td><span class="parametername">vc</span></td>
      <td></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 index of the C1DisplayColumn.</p>
</td>
    </tr>
  </tbody>
</table>


<a id="C1_Win_List_C1DisplayColumnCollection_IndexOf_" data-uid="C1.Win.List.C1DisplayColumnCollection.IndexOf*"></a>
<h4 id="C1_Win_List_C1DisplayColumnCollection_IndexOf_C1_Win_List_C1DataColumn_" data-uid="C1.Win.List.C1DisplayColumnCollection.IndexOf(C1.Win.List.C1DataColumn)">IndexOf(C1DataColumn)</h4>
<div class="markdown level1 summary"><p>Gets the index of the <a class="xref" href="C1.Win.List.C1DisplayColumn.html">C1DisplayColumn</a> specified by the <a class="xref" href="C1.Win.List.C1DataColumn.html">C1DataColumn</a>.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public int IndexOf(C1DataColumn dc)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function IndexOf(dc As C1DataColumn) 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="C1.Win.List.C1DataColumn.html">C1DataColumn</a></td>
      <td><span class="parametername">dc</span></td>
      <td></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 index of the C1DisplayColumn.</p>
</td>
    </tr>
  </tbody>
</table>
</div>