# C1.DataCollection.C1VirtualDataCollection-1.CanFilter

## Content

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<h1 id="C1_DataCollection_C1VirtualDataCollection_1_CanFilter_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.CanFilter*">CanFilter Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_C1VirtualDataCollection_1_CanFilter_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.CanFilter*"></a>
<h4 id="C1_DataCollection_C1VirtualDataCollection_1_CanFilter_C1_DataCollection_FilterExpression_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.CanFilter(C1.DataCollection.FilterExpression)">CanFilter(FilterExpression?)</h4>
<div class="markdown level1 summary"><p>Returns whether the collection is able to filter the specified <code class="paramref">filterExpression</code>.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public virtual bool CanFilter(FilterExpression? filterExpression)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overridable Function CanFilter(filterExpression As FilterExpression) As Boolean</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="C1.DataCollection.FilterExpression.html">FilterExpression</a></td>
      <td><span class="parametername">filterExpression</span></td>
      <td><p>The filter expression that determine how the data would be filtered.</p>
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    </tr>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td></td>
    </tr>
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<h5 class="implements">Implements</h5>
    <div><a class="xref" href="C1.DataCollection.ISupportFiltering.CanFilter.html#C1_DataCollection_ISupportFiltering_CanFilter_C1_DataCollection_FilterExpression_">ISupportFiltering.CanFilter(FilterExpression?)</a></div>
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