# C1.Xamarin.Forms.Core.IRenderEngine.SetOpacity

## Content

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<h1 id="C1_Xamarin_Forms_Core_IRenderEngine_SetOpacity_" data-uid="C1.Xamarin.Forms.Core.IRenderEngine.SetOpacity*">SetOpacity Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Xamarin_Forms_Core_IRenderEngine_SetOpacity_" data-uid="C1.Xamarin.Forms.Core.IRenderEngine.SetOpacity*"></a>
<h4 id="C1_Xamarin_Forms_Core_IRenderEngine_SetOpacity_System_Object_System_Double_" data-uid="C1.Xamarin.Forms.Core.IRenderEngine.SetOpacity(System.Object,System.Double)">SetOpacity(object, double)</h4>
<div class="markdown level1 summary"><p>Changes the brush opacity.</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">object SetOpacity(object brush, double opacity)</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.object">object</a></td>
      <td><span class="parametername">brush</span></td>
      <td><p>Brush object</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></td>
      <td><span class="parametername">opacity</span></td>
      <td><p>Opacity</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.object">object</a></td>
      <td><p>Brush object</p>
</td>
    </tr>
  </tbody>
</table>
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