# C1.WPF.Schedule.NullableDateTimePropertyChangeEventArgs.OldValue

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<h1 id="C1_WPF_Schedule_NullableDateTimePropertyChangeEventArgs_OldValue_" data-uid="C1.WPF.Schedule.NullableDateTimePropertyChangeEventArgs.OldValue*">OldValue Property
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<a id="C1_WPF_Schedule_NullableDateTimePropertyChangeEventArgs_OldValue_" data-uid="C1.WPF.Schedule.NullableDateTimePropertyChangeEventArgs.OldValue*"></a>
<h4 id="C1_WPF_Schedule_NullableDateTimePropertyChangeEventArgs_OldValue" data-uid="C1.WPF.Schedule.NullableDateTimePropertyChangeEventArgs.OldValue">OldValue</h4>
<div class="markdown level1 summary"><p>Gets an old property value.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public DateTime? OldValue { get; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public ReadOnly Property OldValue As Date?</code></pre>
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