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

## Content

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<h1 id="C1_Win_C1Editor_Internal_HTML_IHTMLDocument2_open_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLDocument2.open*">open 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_open_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLDocument2.open*"></a>
<h4 id="C1_Win_C1Editor_Internal_HTML_IHTMLDocument2_open_System_String_System_Object_System_Object_System_Object_" data-uid="C1.Win.C1Editor.Internal.HTML.IHTMLDocument2.open(System.String,System.Object,System.Object,System.Object)">open(string, object, object, object)</h4>
<div class="markdown level1 summary"><p>
  <code>open</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">object open(string url, object name, object features, object replace)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Function open(url As String, name As Object, features As Object, replace As Object) As Object</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">url</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">name</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">features</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">replace</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.object">object</a></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Win_C1Editor_Internal_HTML_IHTMLDocument2_open_System_String_System_Object_System_Object_System_Object__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>An original IDL definition of <code>open</code> method was the following:  <code>HRESULT open ([optional, defaultvalue("text/html")] BSTR url, [optional] VARIANT name, [optional] VARIANT features, [optional] VARIANT replace, [out, retval] IDispatch** ReturnValue)</code>;</p>
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