# GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.SelectWithPrevNext

## Content

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<h1 id="GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_SelectWithPrevNext_" data-uid="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.SelectWithPrevNext*">SelectWithPrevNext Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_SelectWithPrevNext_" data-uid="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.SelectWithPrevNext*"></a>
<h4 id="GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_SelectWithPrevNext__2_System_Collections_Generic_IEnumerable___0__System_Func___0___0___0___1__" data-uid="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.SelectWithPrevNext``2(System.Collections.Generic.IEnumerable{``0},System.Func{``0,``0,``0,``1})">SelectWithPrevNext&lt;T, TResult&gt;(IEnumerable&lt;T&gt;, Func&lt;T, T, T, TResult&gt;)</h4>
<div class="markdown level1 summary"><p>Selects items with references to the previous and next elements.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public static IEnumerable&lt;TResult&gt; SelectWithPrevNext&lt;T, TResult&gt;(this IEnumerable&lt;T&gt; items, Func&lt;T, T, T, TResult&gt; selector) where T : class</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.collections.generic.ienumerable-1">IEnumerable</a>&lt;T&gt;</td>
      <td><span class="parametername">items</span></td>
      <td><p>The source sequence.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.func-4">Func</a>&lt;T, T, T, TResult&gt;</td>
      <td><span class="parametername">selector</span></td>
      <td><p>A function to project each element with references to the previous and next elements.</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.collections.generic.ienumerable-1">IEnumerable</a>&lt;TResult&gt;</td>
      <td><p>A sequence of projected elements.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><span class="parametername">T</span></td>
      <td><p>The type of elements in the sequence.</p>
</td>
    </tr>
    <tr>
      <td><span class="parametername">TResult</span></td>
      <td><p>The type of elements in the result sequence.</p>
</td>
    </tr>
  </tbody>
</table>
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