# C1.WPF.DataFilter.C1DataFilter.ApplyFilter

## Content

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<h1 id="C1_WPF_DataFilter_C1DataFilter_ApplyFilter_" data-uid="C1.WPF.DataFilter.C1DataFilter.ApplyFilter*">ApplyFilter Method
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<a id="C1_WPF_DataFilter_C1DataFilter_ApplyFilter_" data-uid="C1.WPF.DataFilter.C1DataFilter.ApplyFilter*"></a>
<h4 id="C1_WPF_DataFilter_C1DataFilter_ApplyFilter" data-uid="C1.WPF.DataFilter.C1DataFilter.ApplyFilter">ApplyFilter()</h4>
<div class="markdown level1 summary"><p>Applies the filter to the items source.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void ApplyFilter()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub ApplyFilter()</code></pre>
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<h5 class="exceptions">Exceptions</h5>
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      <th>Type</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.notsupportedexception">NotSupportedException</a></td>
      <td><p>The <a class="xref" href="C1.WPF.DataFilter.PredicateExpression.html">PredicateExpression</a> can not be used with the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.datatable">DataTable</a> class.</p>
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