# GrapeCity.Wpf.SpreadSheet.CellType.Editors.MaskEnumerationField.Activate

## Content

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<h1 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_MaskEnumerationField_Activate_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.MaskEnumerationField.Activate*">Activate Method
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<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_MaskEnumerationField_Activate_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.MaskEnumerationField.Activate*"></a>
<h4 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_MaskEnumerationField_Activate" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.MaskEnumerationField.Activate">Activate()</h4>
<div class="markdown level1 summary"><p>Attempts to activate current field and put caret to default caret position.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public bool Activate()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Function Activate() As Boolean</code></pre>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <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 caret could be set to this element; Otherwise, <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_MaskEnumerationField_Activate_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>When user want to set the caret to this field, user can call this method.
If the owner control has focus, it will make the field active immediately;
If the owner control has no focus, it will set the selection start at the first place of current field.
If the caret in the field, call this method, nothing happen;
If the caret not in the field, call this method, when control got focus, the caret will in the left-most of that field.</p>
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