# C1.Schedule.BaseList-1.InsertItem

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_Schedule_BaseList_1_InsertItem_" data-uid="C1.Schedule.BaseList`1.InsertItem*">InsertItem Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Schedule_BaseList_1_InsertItem_" data-uid="C1.Schedule.BaseList`1.InsertItem*"></a>
<h4 id="C1_Schedule_BaseList_1_InsertItem_System_Int32__0_" data-uid="C1.Schedule.BaseList`1.InsertItem(System.Int32,`0)">InsertItem(int, T)</h4>
<div class="markdown level1 summary"><p>Overrides default behavior of Collection.
Prevents from adding items non-existent in the parent collection.</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 InsertItem(int index, T item)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overrides Sub InsertItem(index As Integer, item As T)</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.int32">int</a></td>
      <td><span class="parametername">index</span></td>
      <td><p>The zero-based index of the item to insert.</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>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="C1.Schedule.C1ObservableCollection-1.InsertItem.html#C1_Schedule_C1ObservableCollection_1_InsertItem_System_Int32__0_">C1ObservableCollection&lt;T&gt;.InsertItem(int, T)</a></div>
</div>
