# C1.Win.C1Editor.C1Editor.OnBeforeModeChange

## Content

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<h1 id="C1_Win_C1Editor_C1Editor_OnBeforeModeChange_" data-uid="C1.Win.C1Editor.C1Editor.OnBeforeModeChange*">OnBeforeModeChange Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Win_C1Editor_C1Editor_OnBeforeModeChange_" data-uid="C1.Win.C1Editor.C1Editor.OnBeforeModeChange*"></a>
<h4 id="C1_Win_C1Editor_C1Editor_OnBeforeModeChange_C1_Win_C1Editor_BeforeModeChangeEventArgs_" data-uid="C1.Win.C1Editor.C1Editor.OnBeforeModeChange(C1.Win.C1Editor.BeforeModeChangeEventArgs)">OnBeforeModeChange(BeforeModeChangeEventArgs)</h4>
<div class="markdown level1 summary"><p>Raises <a class="xref" href="C1.Win.C1Editor.C1Editor.SelectionChanged.html">SelectionChanged</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 OnBeforeModeChange(BeforeModeChangeEventArgs e)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnBeforeModeChange(e As BeforeModeChangeEventArgs)</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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      <td><a class="xref" href="C1.Win.C1Editor.BeforeModeChangeEventArgs.html">BeforeModeChangeEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td><p>An <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventargs">EventArgs</a> that contains event data.</p>
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