# C1.Win.C1Editor.Internal.History.Undo

## Content

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



<h1 id="C1_Win_C1Editor_Internal_History_Undo_" data-uid="C1.Win.C1Editor.Internal.History.Undo*">Undo Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_C1Editor_Internal_History_Undo_" data-uid="C1.Win.C1Editor.Internal.History.Undo*"></a>
<h4 id="C1_Win_C1Editor_Internal_History_Undo_System_Int32_" data-uid="C1.Win.C1Editor.Internal.History.Undo(System.Int32)">Undo(int)</h4>
<div class="markdown level1 summary"><p>Undo a given number of operations.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void Undo(int count)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub Undo(count As Integer)</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.int32">int</a></td>
      <td><span class="parametername">count</span></td>
      <td><p>Number of operations to undo.</p>
</td>
    </tr>
  </tbody>
</table>


<a id="C1_Win_C1Editor_Internal_History_Undo_" data-uid="C1.Win.C1Editor.Internal.History.Undo*"></a>
<h4 id="C1_Win_C1Editor_Internal_History_Undo" data-uid="C1.Win.C1Editor.Internal.History.Undo">Undo()</h4>
<div class="markdown level1 summary"><p>Undo the last operation.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void Undo()</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub Undo()</code></pre>
</div>
</div>