# C1.Win.C1Win7Pack.C1TaskbarButton.UnregisterFileAssociations

## Content

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<h1 id="C1_Win_C1Win7Pack_C1TaskbarButton_UnregisterFileAssociations_" data-uid="C1.Win.C1Win7Pack.C1TaskbarButton.UnregisterFileAssociations*">UnregisterFileAssociations Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_C1Win7Pack_C1TaskbarButton_UnregisterFileAssociations_" data-uid="C1.Win.C1Win7Pack.C1TaskbarButton.UnregisterFileAssociations*"></a>
<h4 id="C1_Win_C1Win7Pack_C1TaskbarButton_UnregisterFileAssociations_System_String___" data-uid="C1.Win.C1Win7Pack.C1TaskbarButton.UnregisterFileAssociations(System.String[])">UnregisterFileAssociations(params string[])</h4>
<div class="markdown level1 summary"><p>Unregisters file associations for the application.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void UnregisterFileAssociations(params string[] extensions)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub UnregisterFileAssociations(ParamArray extensions As String())</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">extensions</span></td>
      <td><p>The extensions to unregister.</p>
</td>
    </tr>
  </tbody>
</table>


<a id="C1_Win_C1Win7Pack_C1TaskbarButton_UnregisterFileAssociations_" data-uid="C1.Win.C1Win7Pack.C1TaskbarButton.UnregisterFileAssociations*"></a>
<h4 id="C1_Win_C1Win7Pack_C1TaskbarButton_UnregisterFileAssociations_System_Boolean_System_String___" data-uid="C1.Win.C1Win7Pack.C1TaskbarButton.UnregisterFileAssociations(System.Boolean,System.String[])">UnregisterFileAssociations(bool, params string[])</h4>
<div class="markdown level1 summary"><p>Unregisters file associations for the application.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void UnregisterFileAssociations(bool forCurrentUser, params string[] extensions)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub UnregisterFileAssociations(forCurrentUser As Boolean, ParamArray extensions As String())</code></pre>
</div>
<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.boolean">bool</a></td>
      <td><span class="parametername">forCurrentUser</span></td>
      <td><p>Specifies whether the file associations should be unregistered from HKEY_CURRENT_USER, not from HKEY_CLASSES_ROOT.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>[]</td>
      <td><span class="parametername">extensions</span></td>
      <td><p>The extensions to unregister.</p>
</td>
    </tr>
  </tbody>
</table>
</div>