# GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.AllowsTransparency

## Content

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<h1 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_DropDownWindow_AllowsTransparency_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.AllowsTransparency*">AllowsTransparency Property
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<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_DropDownWindow_AllowsTransparency_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.AllowsTransparency*"></a>
<h4 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_DropDownWindow_AllowsTransparency" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.AllowsTransparency">AllowsTransparency</h4>
<div class="markdown level1 summary"><p>Gets or sets a value that indicates whether a <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.html">DropDownWindow</a> can contain transparent content. This is a dependency property.</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 bool AllowsTransparency { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property AllowsTransparency As Boolean</code></pre>
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<h5 class="propertyValue">Property Value</h5>
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      <th>Type</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p><a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">true</a> if the <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.html">DropDownWindow</a> can contain transparent content; otherwise, <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">false</a>. The default is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">false</a>.</p>
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<h5 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_DropDownWindow_AllowsTransparency_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>
        A <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.html">DropDownWindow</a> control can only contain transparent content when the application runs with full trust. 
        An application that runs with full trust has complete access to system resources and is typically installed on the local system. 
        For more information, see Security (WPF).
      </p>
<p>
        This property cannot be set to true when the Popup is hosted in a XAML browser application (XBAP). 
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<p>
        If the <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.AllowsTransparency.html#GrapeCity_Wpf_SpreadSheet_CellType_Editors_DropDownWindow_AllowsTransparency">AllowsTransparency</a> property is set to <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">true</a> in an application that does not run in full trust, 
        the <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.DropDownWindow.AllowsTransparency.html#GrapeCity_Wpf_SpreadSheet_CellType_Editors_DropDownWindow_AllowsTransparency">AllowsTransparency</a> property value is changed to <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">false</a>. 
        An application that is hosted in a browser is an example of an application that does not run in full trust.
      </p>
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