# C1.DataCollection.C1VirtualDataCollection-1.RemoveAsyncOverride

## Content

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<h1 id="C1_DataCollection_C1VirtualDataCollection_1_RemoveAsyncOverride_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.RemoveAsyncOverride*">RemoveAsyncOverride Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_C1VirtualDataCollection_1_RemoveAsyncOverride_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.RemoveAsyncOverride*"></a>
<h4 id="C1_DataCollection_C1VirtualDataCollection_1_RemoveAsyncOverride_System_Int32_System_Threading_CancellationToken_" data-uid="C1.DataCollection.C1VirtualDataCollection`1.RemoveAsyncOverride(System.Int32,System.Threading.CancellationToken)">RemoveAsyncOverride(int, CancellationToken)</h4>
<div class="markdown level1 summary"><p>This method is called when an item is removed from the collection.</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">protected virtual Task RemoveAsyncOverride(int index, CancellationToken cancellationToken)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Function RemoveAsyncOverride(index As Integer, cancellationToken As CancellationToken) As Task</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="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">index</span></td>
      <td><p>The index of the removed item.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.cancellationtoken">CancellationToken</a></td>
      <td><span class="parametername">cancellationToken</span></td>
      <td><p>The cancellation token.</p>
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    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.threading.tasks.task">Task</a></td>
      <td></td>
    </tr>
  </tbody>
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<h5 id="C1_DataCollection_C1VirtualDataCollection_1_RemoveAsyncOverride_System_Int32_System_Threading_CancellationToken__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p><a class="xref" href="C1.DataCollection.C1VirtualDataCollection-1.CanRemove.html#C1_DataCollection_C1VirtualDataCollection_1_CanRemove_System_Int32_">CanRemove(int)</a> must return true to enable this method.</p>
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