# C1.DataConnector.WhenThenPair.WhenExpression

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<h1 id="C1_DataConnector_WhenThenPair_WhenExpression_" data-uid="C1.DataConnector.WhenThenPair.WhenExpression*">WhenExpression Property
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<h4 id="C1_DataConnector_WhenThenPair_WhenExpression" data-uid="C1.DataConnector.WhenThenPair.WhenExpression">WhenExpression</h4>
<div class="markdown level1 summary"><p>The when expression</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public IExpression WhenExpression { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property WhenExpression As IExpression</code></pre>
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