# C1.DataCollection.C1CacheDataCollection-1.ClearCache

## Content

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<h1 id="C1_DataCollection_C1CacheDataCollection_1_ClearCache_" data-uid="C1.DataCollection.C1CacheDataCollection`1.ClearCache*">ClearCache Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_C1CacheDataCollection_1_ClearCache_" data-uid="C1.DataCollection.C1CacheDataCollection`1.ClearCache*"></a>
<h4 id="C1_DataCollection_C1CacheDataCollection_1_ClearCache_System_Nullable_System_Int32__System_Nullable_System_Int32__" data-uid="C1.DataCollection.C1CacheDataCollection`1.ClearCache(System.Nullable{System.Int32},System.Nullable{System.Int32})">ClearCache(int?, int?)</h4>
<div class="markdown level1 summary"><p>Clears the cached items between the selected indexes.</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">public void ClearCache(int? fromIndex = null, int? toIndex = null)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub ClearCache(Optional fromIndex As Integer? = Nothing, Optional toIndex As Integer? = Nothing)</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>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a>?</td>
      <td><span class="parametername">fromIndex</span></td>
      <td><p>From index.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a>?</td>
      <td><span class="parametername">toIndex</span></td>
      <td><p>To index.</p>
</td>
    </tr>
  </tbody>
</table>
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