# GrapeCity.Win.Spread.InputMan.CellType.SideButtonBase.OnMouseDown

## Content

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<h1 id="GrapeCity_Win_Spread_InputMan_CellType_SideButtonBase_OnMouseDown_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.SideButtonBase.OnMouseDown*">OnMouseDown Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Win_Spread_InputMan_CellType_SideButtonBase_OnMouseDown_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.SideButtonBase.OnMouseDown*"></a>
<h4 id="GrapeCity_Win_Spread_InputMan_CellType_SideButtonBase_OnMouseDown_System_Object_System_Windows_Forms_MouseEventArgs_" data-uid="GrapeCity.Win.Spread.InputMan.CellType.SideButtonBase.OnMouseDown(System.Object,System.Windows.Forms.MouseEventArgs)">OnMouseDown(object, MouseEventArgs)</h4>
<div class="markdown level1 summary"><p>Raises the <a class="xref" href="GrapeCity.Win.Spread.InputMan.CellType.SideButtonBase.MouseDown.html">MouseDown</a> 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 virtual void OnMouseDown(object sender, MouseEventArgs e)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnMouseDown(sender As Object, e As MouseEventArgs)</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>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">sender</span></td>
      <td><p>An <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a> that indicates the event source.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.mouseeventargs">MouseEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td><p>A <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.mouseeventargs">MouseEventArgs</a> object that contains the event data.</p>
</td>
    </tr>
  </tbody>
</table>
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