# C1.Win.C1Chart.ChartDataArray.IsHole

## Content

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<h1 id="C1_Win_C1Chart_ChartDataArray_IsHole_" data-uid="C1.Win.C1Chart.ChartDataArray.IsHole*">IsHole Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_C1Chart_ChartDataArray_IsHole_" data-uid="C1.Win.C1Chart.ChartDataArray.IsHole*"></a>
<h4 id="C1_Win_C1Chart_ChartDataArray_IsHole_System_Object_" data-uid="C1.Win.C1Chart.ChartDataArray.IsHole(System.Object)">IsHole(object)</h4>
<div class="markdown level1 summary"><p>Determines if the specified value is interpreted as a data hole.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public bool IsHole(object value)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Function IsHole(value As Object) As Boolean</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">value</span></td>
      <td></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.boolean">bool</a></td>
      <td><p>A boolean value indicating whether the specified value is interpreted as a data hole.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Win_C1Chart_ChartDataArray_IsHole_System_Object__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>The value is automatically converted to the internal data type based upon
the data type of the value specified. The value is then compared to the stored
data hole. Note that invalid floating point data values such as NaN are treated as hole values.</p>
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