# C1.WPF.DataFilter.Filter.AttachedStateChanged

## Content

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




<h1 id="C1_WPF_DataFilter_Filter_AttachedStateChanged" data-uid="C1.WPF.DataFilter.Filter.AttachedStateChanged" class="text-break">AttachedStateChanged Event
</h1>
<div class="markdown level0 summary"><p>Notifies clients that a <a class="xref" href="C1.WPF.DataFilter.Filter.AttachedState.html#C1_WPF_DataFilter_Filter_AttachedState">AttachedState</a> value has changed.</p>
</div>
<div class="markdown level0 conceptual"></div>
<h6><strong>Namespace</strong>: <a class="xref" href="C1.WPF.DataFilter.html">C1.WPF.DataFilter</a></h6>
<h6><strong>Assembly</strong>: C1.WPF.DataFilter.dll</h6>
<h5 id="C1_WPF_DataFilter_Filter_AttachedStateChanged_syntax">Syntax</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public event EventHandler&lt;AttachedFilterState&gt; AttachedStateChanged</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Event AttachedStateChanged As EventHandler(Of AttachedFilterState)</code></pre>
</div>
<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.eventhandler-1">EventHandler</a>&lt;<a class="xref" href="C1.WPF.DataFilter.AttachedFilterState.html">AttachedFilterState</a>&gt;</td>
      <td>Notifies clients that a  value has changed.</td>
    </tr>
  </tbody>
</table>
</div>