# C1.Win.C1Win7Pack.C1TaskDialog.SetDefaultRadioButton

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_Win_C1Win7Pack_C1TaskDialog_SetDefaultRadioButton_" data-uid="C1.Win.C1Win7Pack.C1TaskDialog.SetDefaultRadioButton*">SetDefaultRadioButton Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_C1Win7Pack_C1TaskDialog_SetDefaultRadioButton_" data-uid="C1.Win.C1Win7Pack.C1TaskDialog.SetDefaultRadioButton*"></a>
<h4 id="C1_Win_C1Win7Pack_C1TaskDialog_SetDefaultRadioButton_C1_Win_C1Win7Pack_C1RadioButton_" data-uid="C1.Win.C1Win7Pack.C1TaskDialog.SetDefaultRadioButton(C1.Win.C1Win7Pack.C1RadioButton)">SetDefaultRadioButton(C1RadioButton)</h4>
<div class="markdown level1 summary"><p>Sets a radio button that will be selected by default.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void SetDefaultRadioButton(C1RadioButton radioButton)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub SetDefaultRadioButton(radioButton As C1RadioButton)</code></pre>
</div>
<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="C1.Win.C1Win7Pack.C1RadioButton.html">C1RadioButton</a></td>
      <td><span class="parametername">radioButton</span></td>
      <td></td>
    </tr>
  </tbody>
</table>


<a id="C1_Win_C1Win7Pack_C1TaskDialog_SetDefaultRadioButton_" data-uid="C1.Win.C1Win7Pack.C1TaskDialog.SetDefaultRadioButton*"></a>
<h4 id="C1_Win_C1Win7Pack_C1TaskDialog_SetDefaultRadioButton_C1_Win_C1Win7Pack_C1RadioButton_System_Boolean_" data-uid="C1.Win.C1Win7Pack.C1TaskDialog.SetDefaultRadioButton(C1.Win.C1Win7Pack.C1RadioButton,System.Boolean)">SetDefaultRadioButton(C1RadioButton, bool)</h4>
<div class="markdown level1 summary"><p>Sets a radio button that will be selected by default.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void SetDefaultRadioButton(C1RadioButton radioButton, bool firstButtonDefault)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub SetDefaultRadioButton(radioButton As C1RadioButton, firstButtonDefault As Boolean)</code></pre>
</div>
<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="C1.Win.C1Win7Pack.C1RadioButton.html">C1RadioButton</a></td>
      <td><span class="parametername">radioButton</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">firstButtonDefault</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Win_C1Win7Pack_C1TaskDialog_SetDefaultRadioButton_C1_Win_C1Win7Pack_C1RadioButton_System_Boolean__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Passing True in the firstButtonDefault parameter forces the task
dialog to select the first radio button by default.</p>
</div>
</div>