# C1.WPF.DataFilter.EmptyFilterBehavior

## Content

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  <h1 id="C1_WPF_DataFilter_EmptyFilterBehavior" data-uid="C1.WPF.DataFilter.EmptyFilterBehavior" class="text-break">EmptyFilterBehavior Enum
</h1>
  <div class="markdown level0 summary"><p>Defines the behavior of CheckListFilter when an empty expression is assigned to it.</p>
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  <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_EmptyFilterBehavior_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public enum EmptyFilterBehavior</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Enum EmptyFilterBehavior</code></pre>
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  <h3 id="fields">Fields
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  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    <thead>
    </thead></thead><tbody>
      <tr>
        <td id="C1_WPF_DataFilter_EmptyFilterBehavior_All">All</td>
        <td><p>All items will be checked.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_EmptyFilterBehavior_Default">Default</td>
        <td><p>The behavior is inherited from <a class="xref" href="C1.WPF.DataFilter.C1DataFilter.html">C1DataFilter</a>.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_EmptyFilterBehavior_None">None</td>
        <td><p>All items will be unchecked.</p>
</td>
      </tr>
    </tbody>
  </table>
</div>