# C1.Util.DX.RectD.Union

## Content

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<h1 id="C1_Util_DX_RectD_Union_" data-uid="C1.Util.DX.RectD.Union*">Union Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Util_DX_RectD_Union_" data-uid="C1.Util.DX.RectD.Union*"></a>
<h4 id="C1_Util_DX_RectD_Union_C1_Util_DX_RectD_C1_Util_DX_RectD_" data-uid="C1.Util.DX.RectD.Union(C1.Util.DX.RectD,C1.Util.DX.RectD)">Union(RectD, RectD)</h4>
<div class="markdown level1 summary"><p>Creates the smallest possible third rectangle that can contain both of two rectangles that form a union.</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 static RectD Union(RectD a, RectD b)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Function Union(a As RectD, b As RectD) As RectD</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="C1.Util.DX.RectD.html">RectD</a></td>
      <td><span class="parametername">a</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.Util.DX.RectD.html">RectD</a></td>
      <td><span class="parametername">b</span></td>
      <td></td>
    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
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  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="C1.Util.DX.RectD.html">RectD</a></td>
      <td></td>
    </tr>
  </tbody>
</table>
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