# GrapeCity.Win.Spread.InputMan.CellType.Fields.DisplayFieldCollection-1.OnSet

## Content

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<h1 id="GrapeCity_Win_Spread_InputMan_CellType_Fields_DisplayFieldCollection_1_OnSet_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.Fields.DisplayFieldCollection`1.OnSet*">OnSet Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Win_Spread_InputMan_CellType_Fields_DisplayFieldCollection_1_OnSet_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.Fields.DisplayFieldCollection`1.OnSet*"></a>
<h4 id="GrapeCity_Win_Spread_InputMan_CellType_Fields_DisplayFieldCollection_1_OnSet_System_Int32_System_Object_System_Object_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.Fields.DisplayFieldCollection`1.OnSet(System.Int32,System.Object,System.Object)">OnSet(int, object, object)</h4>
<div class="markdown level1 summary"><p>Performs additional custom processes before setting a value in the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.collectionbase">CollectionBase</a> instance.</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 override void OnSet(int index, object oldValue, object newValue)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overrides Sub OnSet(index As Integer, oldValue As Object, newValue As Object)</code></pre>
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<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 zero-based index at which oldValue can be found.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">oldValue</span></td>
      <td><p>The value to replace with newValue.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">newValue</span></td>
      <td><p>The new value of the element at index.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="GrapeCity.Win.Spread.InputMan.CellType.CollectionBase-1.OnSet.html#GrapeCity_Win_Spread_InputMan_CellType_CollectionBase_1_OnSet_System_Int32_System_Object_System_Object_">CollectionBase&lt;T&gt;.OnSet(int, object, object)</a></div>
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