# C1.C1Preview.EventCollectionChangeEventHandler.Invoke

## Content

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<h1 id="C1_C1Preview_EventCollectionChangeEventHandler_Invoke_" data-uid="C1.C1Preview.EventCollectionChangeEventHandler.Invoke*">Invoke Method
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<a id="C1_C1Preview_EventCollectionChangeEventHandler_Invoke_" data-uid="C1.C1Preview.EventCollectionChangeEventHandler.Invoke*"></a>
<h4 id="C1_C1Preview_EventCollectionChangeEventHandler_Invoke_System_Object_C1_C1Preview_EventCollectionChangeEventArgs_" data-uid="C1.C1Preview.EventCollectionChangeEventHandler.Invoke(System.Object,C1.C1Preview.EventCollectionChangeEventArgs)">Invoke(object, EventCollectionChangeEventArgs)</h4>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public virtual void Invoke(object sender, EventCollectionChangeEventArgs e)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overridable Sub Invoke(sender As Object, e As EventCollectionChangeEventArgs)</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">sender</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.C1Preview.EventCollectionChangeEventArgs.html">EventCollectionChangeEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
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