# C1.DataCollection.C1HierarchicalDataCollection-1.RemoveAsync

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_DataCollection_C1HierarchicalDataCollection_1_RemoveAsync_" data-uid="C1.DataCollection.C1HierarchicalDataCollection`1.RemoveAsync*">RemoveAsync Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_C1HierarchicalDataCollection_1_RemoveAsync_" data-uid="C1.DataCollection.C1HierarchicalDataCollection`1.RemoveAsync*"></a>
<h4 id="C1_DataCollection_C1HierarchicalDataCollection_1_RemoveAsync_System_Int32_System_Threading_CancellationToken_" data-uid="C1.DataCollection.C1HierarchicalDataCollection`1.RemoveAsync(System.Int32,System.Threading.CancellationToken)">RemoveAsync(int, CancellationToken)</h4>
<div class="markdown level1 summary"><p>Removes the item at the specified <code class="paramref">index</code> from the collection.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public virtual Task RemoveAsync(int index, CancellationToken cancellationToken)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overridable Function RemoveAsync(index As Integer, cancellationToken As CancellationToken) As Task</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <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.</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>
</td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <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>
</table>
<h5 class="implements">Implements</h5>
    <div><a class="xref" href="C1.DataCollection.ISupportEditing-1.RemoveAsync.html#C1_DataCollection_ISupportEditing_1_RemoveAsync_System_Int32_System_Threading_CancellationToken_">ISupportEditing&lt;T&gt;.RemoveAsync(int, CancellationToken)</a></div>
</div>