# C1.Framework.ListBoxElement.C1ItemCheckEventArgs

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs" data-uid="C1.Framework.ListBoxElement.C1ItemCheckEventArgs" class="text-break">ListBoxElement.C1ItemCheckEventArgs Class
</h1>
  <div class="markdown level0 summary"><p>Provides additional data for <a class="xref" href="C1.Framework.ListBoxElement.OnItemChecked.html#C1_Framework_ListBoxElement_OnItemChecked_C1_Framework_ListBoxElement_C1ItemCheckEventArgs_">OnItemChecked(C1ItemCheckEventArgs)</a> event.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventargs">EventArgs</a></div>
    <div class="level2"><span class="xref">ListBoxElement.C1ItemCheckEventArgs</span></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Framework.html">C1.Framework</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.10.dll</h6>
  <h5 id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">protected class ListBoxElement.C1ItemCheckEventArgs : EventArgs</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Protected Class ListBoxElement.C1ItemCheckEventArgs
    Inherits EventArgs</code></pre>
  </div>
  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td 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)">
          <a class="xref" href="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.-ctor.html#C1_Framework_ListBoxElement_C1ItemCheckEventArgs__ctor_System_Int32_System_Windows_Forms_CheckState_System_Windows_Forms_CheckState_">C1ItemCheckEventArgs(int, CheckState, CheckState)</a>
        </td>
        <td class="markdown level1 summary"><p>Creates a new instance of <a class="xref" href="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.html">ListBoxElement.C1ItemCheckEventArgs</a></p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="fields">Fields
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs_Index" data-uid="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.Index">
          <a class="xref" href="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.Index.html">Index</a>
        </td>
        <td class="markdown level1 summary"><p>Index of the updated item.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs_NewValue" data-uid="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.NewValue">
          <a class="xref" href="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.NewValue.html">NewValue</a>
        </td>
        <td class="markdown level1 summary"><p>New <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.checkstate">CheckState</a> of the updated item.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Framework_ListBoxElement_C1ItemCheckEventArgs_OldValue" data-uid="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.OldValue">
          <a class="xref" href="C1.Framework.ListBoxElement.C1ItemCheckEventArgs.OldValue.html">OldValue</a>
        </td>
        <td class="markdown level1 summary"><p>Old <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.checkstate">CheckState</a> of the updated item.</p>
</td>
      </tr>
    </tbody>
  </table>

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