# GrapeCity.Win.Spread.InputMan.CellType.SideButtonCollection.OnCollectionChanged

## Content

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<h1 id="GrapeCity_Win_Spread_InputMan_CellType_SideButtonCollection_OnCollectionChanged_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.SideButtonCollection.OnCollectionChanged*">OnCollectionChanged Method
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<a id="GrapeCity_Win_Spread_InputMan_CellType_SideButtonCollection_OnCollectionChanged_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.SideButtonCollection.OnCollectionChanged*"></a>
<h4 id="GrapeCity_Win_Spread_InputMan_CellType_SideButtonCollection_OnCollectionChanged_System_ComponentModel_CollectionChangeEventArgs_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.SideButtonCollection.OnCollectionChanged(System.ComponentModel.CollectionChangeEventArgs)">OnCollectionChanged(CollectionChangeEventArgs)</h4>
<div class="markdown level1 summary"><p>Raises the <span class="xref">GrapeCity.Win.Spread.InputMan.CellType.SideButtonCollection.CollectionChanged</span> event.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected virtual void OnCollectionChanged(CollectionChangeEventArgs e)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnCollectionChanged(e As CollectionChangeEventArgs)</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.componentmodel.collectionchangeeventargs">CollectionChangeEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td><p>The <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.collectionchangeeventargs">CollectionChangeEventArgs</a> instance that contains the event data.</p>
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