# GrapeCity.Wpf.SpreadSheet.CellType.Editors.NotifyCollection-1.InsertItem

## Content

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<h1 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_NotifyCollection_1_InsertItem_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.NotifyCollection`1.InsertItem*">InsertItem Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_NotifyCollection_1_InsertItem_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.NotifyCollection`1.InsertItem*"></a>
<h4 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_NotifyCollection_1_InsertItem_System_Int32__0_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.NotifyCollection`1.InsertItem(System.Int32,`0)">InsertItem(int, T)</h4>
<div class="markdown level1 summary"><p>Inserts an item into the collection at the specified index.</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 InsertItem(int index, T item)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overrides Sub InsertItem(index As Integer, item As T)</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
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    <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 item should be inserted.</p>
</td>
    </tr>
    <tr>
      <td><span class="xref">T</span></td>
      <td><span class="parametername">item</span></td>
      <td><p>The object to insert.</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.insertitem">Collection&lt;T&gt;.InsertItem(int, T)</a></div>
<h5 class="exceptions">Exceptions</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Condition</th>
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  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.invalidoperationexception">InvalidOperationException</a></td>
      <td><p>When the collection is locked.</p>
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    </tr>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentoutofrangeexception">ArgumentOutOfRangeException</a></td>
      <td><p>When the <code class="paramref">index</code> is beyond the size of collection.</p>
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    </tr>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></td>
      <td><p>When the <code class="paramref">item</code> is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a>.</p>
</td>
    </tr>
  </tbody>
</table>
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