# C1.WPF.RulesManager.RulesEngineSource.InvalidateRanges

## Content

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<h1 id="C1_WPF_RulesManager_RulesEngineSource_InvalidateRanges_" data-uid="C1.WPF.RulesManager.RulesEngineSource.InvalidateRanges*">InvalidateRanges Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_RulesManager_RulesEngineSource_InvalidateRanges_" data-uid="C1.WPF.RulesManager.RulesEngineSource.InvalidateRanges*"></a>
<h4 id="C1_WPF_RulesManager_RulesEngineSource_InvalidateRanges_C1_WPF_RulesManager_RulesEngineRangeCollection_" data-uid="C1.WPF.RulesManager.RulesEngineSource.InvalidateRanges(C1.WPF.RulesManager.RulesEngineRangeCollection)">InvalidateRanges(RulesEngineRangeCollection)</h4>
<div class="markdown level1 summary"><p>Removes previously cached values corresponding to the specified <code class="paramref">ranges</code>.</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 void InvalidateRanges(RulesEngineRangeCollection ranges = null)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Sub InvalidateRanges(Optional ranges As RulesEngineRangeCollection = Nothing)</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
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    <tr>
      <td><a class="xref" href="C1.WPF.RulesManager.RulesEngineRangeCollection.html">RulesEngineRangeCollection</a></td>
      <td><span class="parametername">ranges</span></td>
      <td><p>The ranges to invalidate.</p>
</td>
    </tr>
  </tbody>
</table>
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