# C1.Win.GanttView.BaseTask.ConstraintDate

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<h1 id="C1_Win_GanttView_BaseTask_ConstraintDate_" data-uid="C1.Win.GanttView.BaseTask.ConstraintDate*">ConstraintDate Property
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<a id="C1_Win_GanttView_BaseTask_ConstraintDate_" data-uid="C1.Win.GanttView.BaseTask.ConstraintDate*"></a>
<h4 id="C1_Win_GanttView_BaseTask_ConstraintDate" data-uid="C1.Win.GanttView.BaseTask.ConstraintDate">ConstraintDate</h4>
<div class="markdown level1 summary"><p>Gets or sets the start (finish) date for a start (finish) date constraint.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public abstract DateTime? ConstraintDate { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public MustOverride Property ConstraintDate As Date?</code></pre>
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