# C1.Win.C1Editor.Internal.HTML.IHTMLDocument2.execCommand

## Content

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<h1 id="C1_Win_C1Editor_Internal_HTML_IHTMLDocument2_execCommand_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLDocument2.execCommand*">execCommand Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_C1Editor_Internal_HTML_IHTMLDocument2_execCommand_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLDocument2.execCommand*"></a>
<h4 id="C1_Win_C1Editor_Internal_HTML_IHTMLDocument2_execCommand_System_String_System_Boolean_System_Object_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLDocument2.execCommand(System.String,System.Boolean,System.Object)">execCommand(string, bool, object)</h4>
<div class="markdown level1 summary"><p>
  <code>execCommand</code> method of <code>IHTMLDocument2</code> interface.</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">bool execCommand(string cmdID, bool showUI, object value)</code></pre>
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  <pre><code class="lang-vbnet hljs">Function execCommand(cmdID As String, showUI As Boolean, value As Object) As Boolean</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.string">string</a></td>
      <td><span class="parametername">cmdID</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">showUI</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">value</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Win_C1Editor_Internal_HTML_IHTMLDocument2_execCommand_System_String_System_Boolean_System_Object__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>An original IDL definition of <code>execCommand</code> method was the following:  <code>HRESULT execCommand (BSTR cmdID, [optional, defaultvalue(0)] VARIANT_BOOL showUI, [optional] VARIANT value, [out, retval] VARIANT_BOOL* ReturnValue)</code>;</p>
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