# GrapeCity.Wpf.SpreadSheet.Core

## Content

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  <h1 id="GrapeCity_Wpf_SpreadSheet_Core" data-uid="GrapeCity.Wpf.SpreadSheet.Core" class="text-break">GrapeCity.Wpf.SpreadSheet.Core Namespace
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  <div class="markdown level0 summary"></div>
  <div class="markdown level0 conceptual"></div>
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    <h3 id="classes">
Classes
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      <h4><a class="xref" href="GrapeCity.Wpf.SpreadSheet.Core.ResolveExtensionEventArgs.html">ResolveExtensionEventArgs</a></h4>
      <section><p>Represents a class that provides a value to use for solving extension.</p>
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    <h3 id="delegates">
Delegates
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      <h4><a class="xref" href="GrapeCity.Wpf.SpreadSheet.Core.ResolveExtensionEventHandler.html">ResolveExtensionEventHandler</a></h4>
      <section><p>Occurs when the resolution of an extension fails.</p>
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