# C1.WPF.DataFilter.CombinationExpression.-ctor

## Content

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<h1 id="C1_WPF_DataFilter_CombinationExpression__ctor_" data-uid="C1.WPF.DataFilter.CombinationExpression.#ctor*">CombinationExpression Constructor
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<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_DataFilter_CombinationExpression__ctor_" data-uid="C1.WPF.DataFilter.CombinationExpression.#ctor*"></a>
<h4 id="C1_WPF_DataFilter_CombinationExpression__ctor" data-uid="C1.WPF.DataFilter.CombinationExpression.#ctor">CombinationExpression()</h4>
<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.WPF.DataFilter.CombinationExpression.html">CombinationExpression</a>.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public CombinationExpression()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub New()</code></pre>
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<a id="C1_WPF_DataFilter_CombinationExpression__ctor_" data-uid="C1.WPF.DataFilter.CombinationExpression.#ctor*"></a>
<h4 id="C1_WPF_DataFilter_CombinationExpression__ctor_C1_DataCollection_FilterCombination_System_Collections_Generic_IEnumerable_C1_WPF_DataFilter_Expression__" data-uid="C1.WPF.DataFilter.CombinationExpression.#ctor(C1.DataCollection.FilterCombination,System.Collections.Generic.IEnumerable{C1.WPF.DataFilter.Expression})">CombinationExpression(FilterCombination, IEnumerable&lt;Expression&gt;)</h4>
<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.WPF.DataFilter.CombinationExpression.html">CombinationExpression</a>.</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 CombinationExpression(FilterCombination filterCombination = 0, IEnumerable&lt;Expression&gt; expressions = null)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub New(Optional filterCombination As FilterCombination = 0, Optional expressions As IEnumerable(Of Expression) = 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><span class="xref">FilterCombination</span></td>
      <td><span class="parametername">filterCombination</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="C1.WPF.DataFilter.Expression.html">Expression</a>&gt;</td>
      <td><span class="parametername">expressions</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
</div>