# C1.DataCollection.C1VirtualDataCollection-1.OnFilterChanged

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<h1 id="C1_DataCollection_C1VirtualDataCollection_1_OnFilterChanged_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.OnFilterChanged*">OnFilterChanged Method
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<a id="C1_DataCollection_C1VirtualDataCollection_1_OnFilterChanged_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.OnFilterChanged*"></a>
<h4 id="C1_DataCollection_C1VirtualDataCollection_1_OnFilterChanged" data-uid="C1.DataCollection.C1VirtualDataCollection`1.OnFilterChanged">OnFilterChanged()</h4>
<div class="markdown level1 summary"><p>Called after the filter changed.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected void OnFilterChanged()</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Sub OnFilterChanged()</code></pre>
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