# C1.WPF.Schedule.DateTimePropertyChangeEventArgs.-ctor

## Content

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<h1 id="C1_WPF_Schedule_DateTimePropertyChangeEventArgs__ctor_" data-uid="C1.WPF.Schedule.DateTimePropertyChangeEventArgs.#ctor*">DateTimePropertyChangeEventArgs Constructor
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_Schedule_DateTimePropertyChangeEventArgs__ctor_" data-uid="C1.WPF.Schedule.DateTimePropertyChangeEventArgs.#ctor*"></a>
<h4 id="C1_WPF_Schedule_DateTimePropertyChangeEventArgs__ctor_System_Windows_RoutedEvent_System_Windows_DependencyProperty_System_DateTime_System_DateTime_" data-uid="C1.WPF.Schedule.DateTimePropertyChangeEventArgs.#ctor(System.Windows.RoutedEvent,System.Windows.DependencyProperty,System.DateTime,System.DateTime)">DateTimePropertyChangeEventArgs(RoutedEvent, DependencyProperty, DateTime, DateTime)</h4>
<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.WPF.Schedule.DateTimePropertyChangeEventArgs.html">DateTimePropertyChangeEventArgs</a>
class with the specified routed event, dependency property, old and new DateTime value.</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 DateTimePropertyChangeEventArgs(RoutedEvent routedEvent, DependencyProperty property, DateTime oldValue, DateTime newValue)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub New(routedEvent As RoutedEvent, [property] As DependencyProperty, oldValue As Date, newValue As Date)</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><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.routedevent">RoutedEvent</a></td>
      <td><span class="parametername">routedEvent</span></td>
      <td><p>The <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.routedevent">RoutedEvent</a>.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.dependencyproperty">DependencyProperty</a></td>
      <td><span class="parametername">property</span></td>
      <td><p>The <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.dependencyproperty">DependencyProperty</a>.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.datetime">DateTime</a></td>
      <td><span class="parametername">oldValue</span></td>
      <td><p>The old value of the specified property.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.datetime">DateTime</a></td>
      <td><span class="parametername">newValue</span></td>
      <td><p>The new value of the specified property.</p>
</td>
    </tr>
  </tbody>
</table>
</div>