# GrapeCity.Wpf.SpreadSheet.CellType.Editors.GcDropDownCalculator.OnIsKeyboardFocusWithinChanged

## Content

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<h1 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_GcDropDownCalculator_OnIsKeyboardFocusWithinChanged_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.GcDropDownCalculator.OnIsKeyboardFocusWithinChanged*">OnIsKeyboardFocusWithinChanged Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_GcDropDownCalculator_OnIsKeyboardFocusWithinChanged_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.GcDropDownCalculator.OnIsKeyboardFocusWithinChanged*"></a>
<h4 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_GcDropDownCalculator_OnIsKeyboardFocusWithinChanged_System_Windows_DependencyPropertyChangedEventArgs_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.GcDropDownCalculator.OnIsKeyboardFocusWithinChanged(System.Windows.DependencyPropertyChangedEventArgs)">OnIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs)</h4>
<div class="markdown level1 summary"><p>Invoked just before the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.uielement.iskeyboardfocuswithinchanged">IsKeyboardFocusWithinChanged</a> event is raised by this element. Implement this method to add class handling for this event.</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">protected override void OnIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs e)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overrides Sub OnIsKeyboardFocusWithinChanged(e As DependencyPropertyChangedEventArgs)</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>
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    <tr>
      <td><span class="xref">DependencyPropertyChangedEventArgs</span></td>
      <td><span class="parametername">e</span></td>
      <td><p>A <span class="xref">System.Windows.DependencyPropertyChangedEventArgs</span> that contains the event data.</p>
</td>
    </tr>
  </tbody>
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<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.uielement.oniskeyboardfocuswithinchanged">UIElement.OnIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs)</a></div>
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