# C1.WPF.PrepareDropDownEventArgs

## Content

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  <h1 id="C1_WPF_PrepareDropDownEventArgs" data-uid="C1.WPF.PrepareDropDownEventArgs" class="text-break">PrepareDropDownEventArgs Class
</h1>
  <div class="markdown level0 summary"><p>Argument of the event fired before the drop-down box is opened.</p>
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  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventargs">EventArgs</a></div>
    <div class="level2"><span class="xref">PrepareDropDownEventArgs</span></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.WPF.html">C1.WPF</a></h6>
  <h6><strong>Assembly</strong>: C1.WPF.4.6.2.dll</h6>
  <h5 id="C1_WPF_PrepareDropDownEventArgs_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class PrepareDropDownEventArgs : EventArgs</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class PrepareDropDownEventArgs
    Inherits EventArgs</code></pre>
  </div>
  <h3 id="constructors">Constructors
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  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_WPF_PrepareDropDownEventArgs__ctor" data-uid="C1.WPF.PrepareDropDownEventArgs.#ctor">
          <a class="xref" href="C1.WPF.PrepareDropDownEventArgs.-ctor.html#C1_WPF_PrepareDropDownEventArgs__ctor">PrepareDropDownEventArgs()</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_WPF_PrepareDropDownEventArgs_DropDownHeight" data-uid="C1.WPF.PrepareDropDownEventArgs.DropDownHeight">
          <a class="xref" href="C1.WPF.PrepareDropDownEventArgs.DropDownHeight.html#C1_WPF_PrepareDropDownEventArgs_DropDownHeight">DropDownHeight</a>
        </td>
        <td class="markdown level1 summary"><p>Height of the DropDown, modify to set a custom size, set double.NaN to use default.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_PrepareDropDownEventArgs_DropDownWidth" data-uid="C1.WPF.PrepareDropDownEventArgs.DropDownWidth">
          <a class="xref" href="C1.WPF.PrepareDropDownEventArgs.DropDownWidth.html#C1_WPF_PrepareDropDownEventArgs_DropDownWidth">DropDownWidth</a>
        </td>
        <td class="markdown level1 summary"><p>Width of the DropDown, modify to set a custom size, set double.NaN to use default.</p>
</td>
      </tr>
    </tbody>
  </table>

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