# C1.Util.DX.IUnknown

## Content

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  <h1 id="C1_Util_DX_IUnknown" data-uid="C1.Util.DX.IUnknown" class="text-break">IUnknown Interface
</h1>
  <div class="markdown level0 summary"><p>Base interface for Component Object Model (COM).</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Util.DX.html">C1.Util.DX</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.DX.4.8.dll</h6>
  <h5 id="C1_Util_DX_IUnknown_syntax">Syntax</h5>
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    <pre><code class="lang-csharp hljs">[Guid(&quot;00000000-0000-0000-C000-000000000046&quot;)]
public interface IUnknown</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;Guid(&quot;00000000-0000-0000-C000-000000000046&quot;)&gt;
Public Interface IUnknown</code></pre>
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  <h3 id="methods">Methods
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  <table class="table table-bordered table-condensed">
    <thead>
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        <th>Name</th>
        <th>Description</th>
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      <tr>
        <td id="C1_Util_DX_IUnknown_AddReference" data-uid="C1.Util.DX.IUnknown.AddReference">
          <a class="xref" href="C1.Util.DX.IUnknown.AddReference.html#C1_Util_DX_IUnknown_AddReference">AddReference()</a>
        </td>
        <td class="markdown level1 summary"><p>Increments the reference count for an interface on this instance.</p>
</td>
      </tr>
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        <td id="C1_Util_DX_IUnknown_QueryInterface_System_Guid__System_IntPtr__" data-uid="C1.Util.DX.IUnknown.QueryInterface(System.Guid@,System.IntPtr@)">
          <a class="xref" href="C1.Util.DX.IUnknown.QueryInterface.html#C1_Util_DX_IUnknown_QueryInterface_System_Guid__System_IntPtr__">QueryInterface(ref Guid, out IntPtr)</a>
        </td>
        <td class="markdown level1 summary"><p>Queries the supported COM interface on this instance.</p>
</td>
      </tr>
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        <td id="C1_Util_DX_IUnknown_Release" data-uid="C1.Util.DX.IUnknown.Release">
          <a class="xref" href="C1.Util.DX.IUnknown.Release.html#C1_Util_DX_IUnknown_Release">Release()</a>
        </td>
        <td class="markdown level1 summary"><p>Decrements the reference count for an interface on this instance.</p>
</td>
      </tr>
    </tbody>
  </table>

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