# C1.Win.FlexGrid.C1FlexGridBase.OnBeforeMouseDown

## Content

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<h1 id="C1_Win_FlexGrid_C1FlexGridBase_OnBeforeMouseDown_" data-uid="C1.Win.FlexGrid.C1FlexGridBase.OnBeforeMouseDown*">OnBeforeMouseDown Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Win_FlexGrid_C1FlexGridBase_OnBeforeMouseDown_" data-uid="C1.Win.FlexGrid.C1FlexGridBase.OnBeforeMouseDown*"></a>
<h4 id="C1_Win_FlexGrid_C1FlexGridBase_OnBeforeMouseDown_C1_Win_FlexGrid_BeforeMouseDownEventArgs_" data-uid="C1.Win.FlexGrid.C1FlexGridBase.OnBeforeMouseDown(C1.Win.FlexGrid.BeforeMouseDownEventArgs)">OnBeforeMouseDown(BeforeMouseDownEventArgs)</h4>
<div class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.Win.FlexGrid.C1FlexGridBase.BeforeMouseDown.html">BeforeMouseDown</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 OnBeforeMouseDown(BeforeMouseDownEventArgs e)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnBeforeMouseDown(e As BeforeMouseDownEventArgs)</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="C1.Win.FlexGrid.BeforeMouseDownEventArgs.html">BeforeMouseDownEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
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