# C1.Win.C1Editor.Internal.History

## Content

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



  <h1 id="C1_Win_C1Editor_Internal_History" data-uid="C1.Win.C1Editor.Internal.History" class="text-break">History Class
</h1>
  <div class="markdown level0 summary"><p>This class provides undo and redo operations.</p>
</div>
  <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"><span class="xref">History</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.C1Editor.Internal.html">C1.Win.C1Editor.Internal</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.C1Editor.4.8.dll</h6>
  <h5 id="C1_Win_C1Editor_Internal_History_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class History : IDisposable</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class History
    Implements IDisposable</code></pre>
  </div>
  <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_Win_C1Editor_Internal_History_CanRedo" data-uid="C1.Win.C1Editor.Internal.History.CanRedo">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.CanRedo.html#C1_Win_C1Editor_Internal_History_CanRedo">CanRedo</a>
        </td>
        <td class="markdown level1 summary"><p>Returns true if redo command can be executed</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_CanUndo" data-uid="C1.Win.C1Editor.Internal.History.CanUndo">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.CanUndo.html#C1_Win_C1Editor_Internal_History_CanUndo">CanUndo</a>
        </td>
        <td class="markdown level1 summary"><p>Returns true if undo command can be executed</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_RedoList" data-uid="C1.Win.C1Editor.Internal.History.RedoList">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.RedoList.html#C1_Win_C1Editor_Internal_History_RedoList">RedoList</a>
        </td>
        <td class="markdown level1 summary"><p>Returns the list of available redo operations.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_UndoList" data-uid="C1.Win.C1Editor.Internal.History.UndoList">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.UndoList.html#C1_Win_C1Editor_Internal_History_UndoList">UndoList</a>
        </td>
        <td class="markdown level1 summary"><p>Returns the list of available undo operations.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_Dispose" data-uid="C1.Win.C1Editor.Internal.History.Dispose">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.Dispose.html#C1_Win_C1Editor_Internal_History_Dispose">Dispose()</a>
        </td>
        <td class="markdown level1 summary"><p>Releases all resources used by the <a class="xref" href="C1.Win.C1Editor.Internal.History.html">History</a> class.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_Dispose_System_Boolean_" data-uid="C1.Win.C1Editor.Internal.History.Dispose(System.Boolean)">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.Dispose.html#C1_Win_C1Editor_Internal_History_Dispose_System_Boolean_">Dispose(bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Releases unmanaged resources used by the <a class="xref" href="C1.Win.C1Editor.Internal.History.html">History</a> class.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_Redo" data-uid="C1.Win.C1Editor.Internal.History.Redo">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.Redo.html#C1_Win_C1Editor_Internal_History_Redo">Redo()</a>
        </td>
        <td class="markdown level1 summary"><p>Redo the last operation</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_Redo_System_Int32_" data-uid="C1.Win.C1Editor.Internal.History.Redo(System.Int32)">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.Redo.html#C1_Win_C1Editor_Internal_History_Redo_System_Int32_">Redo(int)</a>
        </td>
        <td class="markdown level1 summary"><p>Redo a given number of operations.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_Undo" data-uid="C1.Win.C1Editor.Internal.History.Undo">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.Undo.html#C1_Win_C1Editor_Internal_History_Undo">Undo()</a>
        </td>
        <td class="markdown level1 summary"><p>Undo the last operation.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Editor_Internal_History_Undo_System_Int32_" data-uid="C1.Win.C1Editor.Internal.History.Undo(System.Int32)">
          <a class="xref" href="C1.Win.C1Editor.Internal.History.Undo.html#C1_Win_C1Editor_Internal_History_Undo_System_Int32_">Undo(int)</a>
        </td>
        <td class="markdown level1 summary"><p>Undo a given number of operations.</p>
</td>
      </tr>
    </tbody>
  </table>

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