# GrapeCity.CalcEngine.Function.IsArrayParameter

## Content

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<h1 id="GrapeCity_CalcEngine_Function_IsArrayParameter_" data-uid="GrapeCity.CalcEngine.Function.IsArrayParameter*">IsArrayParameter Method
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<a id="GrapeCity_CalcEngine_Function_IsArrayParameter_" data-uid="GrapeCity.CalcEngine.Function.IsArrayParameter*"></a>
<h4 id="GrapeCity_CalcEngine_Function_IsArrayParameter_System_Int32_" data-uid="GrapeCity.CalcEngine.Function.IsArrayParameter(System.Int32)">IsArrayParameter(int)</h4>
<div class="markdown level1 summary"><p>Determines whether the expression at specified index is evaluated as an array parameter.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected virtual bool IsArrayParameter(int argIndex)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Function IsArrayParameter(argIndex As Integer) As Boolean</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">argIndex</span></td>
      <td><p>An integer value indicates the index of the argument.</p>
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    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p><code>true</code> the function evaluates the specified parameter as an array; otherwise, the function evaluates each cells of the range separately.</p>
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    </tr>
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