# Microsoft.AspNetCore.Builder.ApplicationBuilderExtension.C1

## Content

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<h1 id="Microsoft_AspNetCore_Builder_ApplicationBuilderExtension_C1_" data-uid="Microsoft.AspNetCore.Builder.ApplicationBuilderExtension.C1*">C1 Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="Microsoft_AspNetCore_Builder_ApplicationBuilderExtension_C1_" data-uid="Microsoft.AspNetCore.Builder.ApplicationBuilderExtension.C1*"></a>
<h4 id="Microsoft_AspNetCore_Builder_ApplicationBuilderExtension_C1_Microsoft_AspNetCore_Builder_IApplicationBuilder_" data-uid="Microsoft.AspNetCore.Builder.ApplicationBuilderExtension.C1(Microsoft.AspNetCore.Builder.IApplicationBuilder)">C1(IApplicationBuilder)</h4>
<div class="markdown level1 summary"><p>Gets the C1 MVC configuration of <a class="xref" href="C1.Web.Mvc.Configuration.html">Configuration</a> type.</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">public static Configuration C1(this IApplicationBuilder app)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Shared Function C1(app As IApplicationBuilder) As Configuration</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/microsoft.aspnetcore.builder.iapplicationbuilder">IApplicationBuilder</a></td>
      <td><span class="parametername">app</span></td>
      <td><p>The application builder.</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="C1.Web.Mvc.Configuration.html">Configuration</a></td>
      <td><p>The C1 MVC configuration of <a class="xref" href="C1.Web.Mvc.Configuration.html">Configuration</a> type.</p>
</td>
    </tr>
  </tbody>
</table>
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