# C1.Win.GanttView.BaseTaskFilter.ApplyFilter

## Content

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<h1 id="C1_Win_GanttView_BaseTaskFilter_ApplyFilter_" data-uid="C1.Win.GanttView.BaseTaskFilter.ApplyFilter*">ApplyFilter Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Win_GanttView_BaseTaskFilter_ApplyFilter_" data-uid="C1.Win.GanttView.BaseTaskFilter.ApplyFilter*"></a>
<h4 id="C1_Win_GanttView_BaseTaskFilter_ApplyFilter_C1_Win_GanttView_BaseTask_" data-uid="C1.Win.GanttView.BaseTaskFilter.ApplyFilter(C1.Win.GanttView.BaseTask)">ApplyFilter(BaseTask)</h4>
<div class="markdown level1 summary"><p>Applies the filter to a task.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public abstract bool ApplyFilter(BaseTask task)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public MustOverride Function ApplyFilter(task As BaseTask) 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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      <td><a class="xref" href="C1.Win.GanttView.BaseTask.html">BaseTask</a></td>
      <td><span class="parametername">task</span></td>
      <td><p>The <a class="xref" href="C1.Win.GanttView.BaseTask.html">BaseTask</a> object to filter.</p>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p>True if the <code class="paramref">task</code> satisfies the filter;
False otherwise.</p>
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    </tr>
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