# GrapeCity.CalcEngine.Function.IsChangedBehavior

## Content

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<h1 id="GrapeCity_CalcEngine_Function_IsChangedBehavior_" data-uid="GrapeCity.CalcEngine.Function.IsChangedBehavior*">IsChangedBehavior Method
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<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_CalcEngine_Function_IsChangedBehavior_" data-uid="GrapeCity.CalcEngine.Function.IsChangedBehavior*"></a>
<h4 id="GrapeCity_CalcEngine_Function_IsChangedBehavior_GrapeCity_CalcEngine_WorkbookCompatibility_GrapeCity_CalcEngine_WorkbookCompatibility_" data-uid="GrapeCity.CalcEngine.Function.IsChangedBehavior(GrapeCity.CalcEngine.WorkbookCompatibility,GrapeCity.CalcEngine.WorkbookCompatibility)">IsChangedBehavior(WorkbookCompatibility, WorkbookCompatibility)</h4>
<div class="markdown level1 summary"><p>Gets a boolean value indicating whether the function's evaluated result may volatiles when the workbook's compatibility is changed.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected virtual bool IsChangedBehavior(WorkbookCompatibility from, WorkbookCompatibility to)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Function IsChangedBehavior(from As WorkbookCompatibility, [to] As WorkbookCompatibility) As Boolean</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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      <td><a class="xref" href="GrapeCity.CalcEngine.WorkbookCompatibility.html">WorkbookCompatibility</a></td>
      <td><span class="parametername">from</span></td>
      <td><p>The current workbook's compatibility version.</p>
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    </tr>
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      <td><a class="xref" href="GrapeCity.CalcEngine.WorkbookCompatibility.html">WorkbookCompatibility</a></td>
      <td><span class="parametername">to</span></td>
      <td><p>The new workbook's compatibility version.</p>
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<h5 class="returns">Returns</h5>
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  <thead>
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      <th>Type</th>
      <th>Description</th>
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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> if the function's evaluated result may volatiles; otherwise, <code>false</code>.</p>
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