# C1.Util.DX.Direct2D.Effects.ConvolveMatrix.PreserveAlpha

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<h1 id="C1_Util_DX_Direct2D_Effects_ConvolveMatrix_PreserveAlpha_" data-uid="C1.Util.DX.Direct2D.Effects.ConvolveMatrix.PreserveAlpha*">PreserveAlpha Property
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<h4 id="C1_Util_DX_Direct2D_Effects_ConvolveMatrix_PreserveAlpha" data-uid="C1.Util.DX.Direct2D.Effects.ConvolveMatrix.PreserveAlpha">PreserveAlpha</h4>
<div class="markdown level1 summary"><p>Specifies whether the convolution kernel is applied to the alpha channel or only the color channels.
If you set this to TRUE the convolution kernel is applied only to the color channels.
If you set this to FALSE the convolution kernel is applied to all channels.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public bool PreserveAlpha { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property PreserveAlpha As Boolean</code></pre>
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