# C1.WPF.FlexGrid.RowCollection.OnCollectionChanged

## Content

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



<h1 id="C1_WPF_FlexGrid_RowCollection_OnCollectionChanged_" data-uid="C1.WPF.FlexGrid.RowCollection.OnCollectionChanged*">OnCollectionChanged Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_FlexGrid_RowCollection_OnCollectionChanged_" data-uid="C1.WPF.FlexGrid.RowCollection.OnCollectionChanged*"></a>
<h4 id="C1_WPF_FlexGrid_RowCollection_OnCollectionChanged_System_Collections_Specialized_NotifyCollectionChangedEventArgs_" data-uid="C1.WPF.FlexGrid.RowCollection.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs)">OnCollectionChanged(NotifyCollectionChangedEventArgs)</h4>
<div class="markdown level1 summary"><p>Raises the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.objectmodel.observablecollection-1.collectionchanged">CollectionChanged</a> event.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overrides Sub OnCollectionChanged(e As NotifyCollectionChangedEventArgs)</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.collections.specialized.notifycollectionchangedeventargs">NotifyCollectionChangedEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td><p><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.specialized.notifycollectionchangedeventargs">NotifyCollectionChangedEventArgs</a> value that contains the event data.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="C1.WPF.FlexGrid.RowColCollection-1.OnCollectionChanged.html#C1_WPF_FlexGrid_RowColCollection_1_OnCollectionChanged_System_Collections_Specialized_NotifyCollectionChangedEventArgs_">RowColCollection&lt;Row&gt;.OnCollectionChanged(NotifyCollectionChangedEventArgs)</a></div>
</div>