# C1.WPF.C1Chart.Extended.TrendLine.UpdateData

## Content

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<h1 id="C1_WPF_C1Chart_Extended_TrendLine_UpdateData_" data-uid="C1.WPF.C1Chart.Extended.TrendLine.UpdateData*">UpdateData Method
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<a id="C1_WPF_C1Chart_Extended_TrendLine_UpdateData_" data-uid="C1.WPF.C1Chart.Extended.TrendLine.UpdateData*"></a>
<h4 id="C1_WPF_C1Chart_Extended_TrendLine_UpdateData" data-uid="C1.WPF.C1Chart.Extended.TrendLine.UpdateData">UpdateData()</h4>
<div class="markdown level1 summary"><p>Update plotted data values.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public override void UpdateData()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overrides Sub UpdateData()</code></pre>
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<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="C1.WPF.C1Chart.Extended.FunctionSeries.UpdateData.html#C1_WPF_C1Chart_Extended_FunctionSeries_UpdateData">FunctionSeries.UpdateData()</a></div>
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