# C1.Win.GanttView.GroupModelCollection.SetItem

## Content

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<h1 id="C1_Win_GanttView_GroupModelCollection_SetItem_" data-uid="C1.Win.GanttView.GroupModelCollection.SetItem*">SetItem Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_GanttView_GroupModelCollection_SetItem_" data-uid="C1.Win.GanttView.GroupModelCollection.SetItem*"></a>
<h4 id="C1_Win_GanttView_GroupModelCollection_SetItem_System_Int32_C1_Win_GanttView_BaseGroup_" data-uid="C1.Win.GanttView.GroupModelCollection.SetItem(System.Int32,C1.Win.GanttView.BaseGroup)">SetItem(int, BaseGroup)</h4>
<div class="markdown level1 summary"><p>Replaces the element at the specified index.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected override void SetItem(int index, BaseGroup item)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overrides Sub SetItem(index As Integer, item As BaseGroup)</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>
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  <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 of the element to replace.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Win.GanttView.BaseGroup.html">BaseGroup</a></td>
      <td><span class="parametername">item</span></td>
      <td><p>The new value for the element at the specified index. The value can be null
for reference types.</p>
</td>
    </tr>
  </tbody>
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<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.objectmodel.collection-1.setitem">Collection&lt;BaseGroup&gt;.SetItem(int, BaseGroup)</a></div>
<h5 class="exceptions">Exceptions</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Condition</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentoutofrangeexception">ArgumentOutOfRangeException</a></td>
      <td><p>Thrown when index is less than zero.-or-index is greater than System.Collections.ObjectModel.Collection&lt;T&gt;.Count.</p>
</td>
    </tr>
  </tbody>
</table>
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