# C1.Win.Ribbon.RibbonDatePicker.LostFocus

## Content

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<h1 id="C1_Win_Ribbon_RibbonDatePicker_LostFocus" data-uid="C1.Win.Ribbon.RibbonDatePicker.LostFocus" class="text-break">LostFocus Event
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<div class="markdown level0 summary"><p>Occurs when the <a class="xref" href="C1.Win.Ribbon.RibbonDatePicker.html">RibbonDatePicker</a> loses focus.</p>
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<div class="markdown level0 conceptual"></div>
<h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.Ribbon.html">C1.Win.Ribbon</a></h6>
<h6><strong>Assembly</strong>: C1.Win.Ribbon.10.dll</h6>
<h5 id="C1_Win_Ribbon_RibbonDatePicker_LostFocus_syntax">Syntax</h5>
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  <pre><code class="lang-csharp hljs">[C1Category(&quot;Focus&quot;)]
[C1Description(&quot;RibbonDatePicker.LostFocus&quot;, &quot;Occurs when the RibbonDatePicker loses focus.&quot;)]
public event EventHandler LostFocus</code></pre>
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  <pre><code class="lang-vbnet hljs">&lt;C1Category(&quot;Focus&quot;)&gt;
&lt;C1Description(&quot;RibbonDatePicker.LostFocus&quot;, &quot;Occurs when the RibbonDatePicker loses focus.&quot;)&gt;
Public Event LostFocus As EventHandler</code></pre>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventhandler">EventHandler</a></td>
      <td>Occurs when the  loses focus.</td>
    </tr>
  </tbody>
</table>
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