# C1.DataCollection.C1DataCollectionList-1.InsertRange

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_DataCollection_C1DataCollectionList_1_InsertRange_" data-uid="C1.DataCollection.C1DataCollectionList`1.InsertRange*">InsertRange Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_C1DataCollectionList_1_InsertRange_" data-uid="C1.DataCollection.C1DataCollectionList`1.InsertRange*"></a>
<h4 id="C1_DataCollection_C1DataCollectionList_1_InsertRange_System_Int32_System_Collections_Generic_IEnumerable__0__" data-uid="C1.DataCollection.C1DataCollectionList`1.InsertRange(System.Int32,System.Collections.Generic.IEnumerable{`0})">InsertRange(int, IEnumerable&lt;T&gt;)</h4>
<div class="markdown level1 summary"><p>Inserts a range of items in the collection.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void InsertRange(int startingIndex, IEnumerable&lt;T&gt; items)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub InsertRange(startingIndex As Integer, items As IEnumerable(Of 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">startingIndex</span></td>
      <td><p>The index where the items are inserted.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;T&gt;</td>
      <td><span class="parametername">items</span></td>
      <td><p>The inserted items.</p>
</td>
    </tr>
  </tbody>
</table>
</div>
