# GrapeCity.Wpf.SpreadSheet.Core.ResolveExtensionEventHandler

## Content

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  <h1 id="GrapeCity_Wpf_SpreadSheet_Core_ResolveExtensionEventHandler" data-uid="GrapeCity.Wpf.SpreadSheet.Core.ResolveExtensionEventHandler" class="text-break">ResolveExtensionEventHandler Delegate
</h1>
  <div class="markdown level0 summary"><p>Occurs when the resolution of an extension fails.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.Wpf.SpreadSheet.Core.html">GrapeCity.Wpf.SpreadSheet.Core</a></h6>
  <h6><strong>Assembly</strong>: GrapeCity.Wpf.SpreadSheet.dll</h6>
  <h5 id="GrapeCity_Wpf_SpreadSheet_Core_ResolveExtensionEventHandler_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public delegate object ResolveExtensionEventHandler(object sender, ResolveExtensionEventArgs eventArgs)</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Delegate Function ResolveExtensionEventHandler(sender As Object, eventArgs As ResolveExtensionEventArgs) As Object</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.object">object</a></td>
        <td><span class="parametername">sender</span></td>
        <td>Occurs when the resolution of an extension fails.</td>
      </tr>
      <tr>
        <td><a class="xref" href="GrapeCity.Wpf.SpreadSheet.Core.ResolveExtensionEventArgs.html">ResolveExtensionEventArgs</a></td>
        <td><span class="parametername">eventArgs</span></td>
        <td>Occurs when the resolution of an extension fails.</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.object">object</a></td>
        <td>Occurs when the resolution of an extension fails.</td>
      </tr>
    </tbody>
  </table>

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