# C1.Framework.ListBoxElement.C1ItemCheckEventArgs.-ctor

## Content

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<h1 id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs__ctor_" data-uid="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.#ctor*">C1ItemCheckEventArgs Constructor
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs__ctor_" data-uid="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.#ctor*"></a>
<h4 id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs__ctor_System_Int32_System_Windows_Forms_CheckState_System_Windows_Forms_CheckState_" data-uid="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.#ctor(System.Int32,System.Windows.Forms.CheckState,System.Windows.Forms.CheckState)">C1ItemCheckEventArgs(int, CheckState, CheckState)</h4>
<div class="markdown level1 summary"><p>Creates a new instance of <a class="xref" href="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.html">ListBoxElement.C1ItemCheckEventArgs</a></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 C1ItemCheckEventArgs(int index, CheckState oldValue, CheckState newValue)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub New(index As Integer, oldValue As CheckState, newValue As CheckState)</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>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">index</span></td>
      <td><p>Index of the updated item.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.checkstate">CheckState</a></td>
      <td><span class="parametername">oldValue</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.checkstate">CheckState</a></td>
      <td><span class="parametername">newValue</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
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