# C1.Util.DX.Direct3D11.Resource.SubResourceIndexFromMipLevel

## Content

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<h1 id="C1_Util_DX_Direct3D11_Resource_SubResourceIndexFromMipLevel_" data-uid="C1.Util.DX.Direct3D11.Resource.SubResourceIndexFromMipLevel*">SubResourceIndexFromMipLevel Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Util_DX_Direct3D11_Resource_SubResourceIndexFromMipLevel_" data-uid="C1.Util.DX.Direct3D11.Resource.SubResourceIndexFromMipLevel*"></a>
<h4 id="C1_Util_DX_Direct3D11_Resource_SubResourceIndexFromMipLevel_System_Int32_System_Int32_System_Int32_" data-uid="C1.Util.DX.Direct3D11.Resource.SubResourceIndexFromMipLevel(System.Int32,System.Int32,System.Int32)">SubResourceIndexFromMipLevel(int, int, int)</h4>
<div class="markdown level1 summary"><p>Calculates the sub resource index from a miplevel.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public static int SubResourceIndexFromMipLevel(int mipSlice, int arraySlice, int mipLevel)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Function SubResourceIndexFromMipLevel(mipSlice As Integer, arraySlice As Integer, mipLevel As Integer) As Integer</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.int32">int</a></td>
      <td><span class="parametername">mipSlice</span></td>
      <td><p>A zero-based index for the mipmap level to address; 0 indicates the first, most detailed mipmap level.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">arraySlice</span></td>
      <td><p>The zero-based index for the array level to address; always use 0 for volume (3D) textures.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">mipLevel</span></td>
      <td><p>Number of mipmap levels in the resource.</p>
</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.int32">int</a></td>
      <td><p>The index which equals MipSlice + (ArraySlice * MipLevels).</p>
</td>
    </tr>
  </tbody>
</table>
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