# C1.DataCollection.C1CacheDataCollection-1.CreateInternalList

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_DataCollection_C1CacheDataCollection_1_CreateInternalList_" data-uid="C1.DataCollection.C1CacheDataCollection`1.CreateInternalList*">CreateInternalList Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_C1CacheDataCollection_1_CreateInternalList_" data-uid="C1.DataCollection.C1CacheDataCollection`1.CreateInternalList*"></a>
<h4 id="C1_DataCollection_C1CacheDataCollection_1_CreateInternalList_System_Collections_Generic_IReadOnlyList__0__" data-uid="C1.DataCollection.C1CacheDataCollection`1.CreateInternalList(System.Collections.Generic.IReadOnlyList{`0})">CreateInternalList(IReadOnlyList&lt;T&gt;)</h4>
<div class="markdown level1 summary"><p>Creates the internal list from the source.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected override IReadOnlyList&lt;T&gt; CreateInternalList(IReadOnlyList&lt;T&gt; source)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overrides Function CreateInternalList(source As IReadOnlyList(Of T)) As IReadOnlyList(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.collections.generic.ireadonlylist-1">IReadOnlyList</a>&lt;T&gt;</td>
      <td><span class="parametername">source</span></td>
      <td><p>The source.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlylist-1">IReadOnlyList</a>&lt;T&gt;</td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="C1.DataCollection.C1WrapDataCollection-1.CreateInternalList.html#C1_DataCollection_C1WrapDataCollection_1_CreateInternalList_System_Collections_Generic_IReadOnlyList__0__">C1WrapDataCollection&lt;T&gt;.CreateInternalList(IReadOnlyList&lt;T&gt;)</a></div>
</div>