# C1.Win.Chart.Series.OnSymbolRendering

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_Win_Chart_Series_OnSymbolRendering_" data-uid="C1.Win.Chart.Series.OnSymbolRendering*">OnSymbolRendering Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_Chart_Series_OnSymbolRendering_" data-uid="C1.Win.Chart.Series.OnSymbolRendering*"></a>
<h4 id="C1_Win_Chart_Series_OnSymbolRendering_C1_Chart_IRenderEngine_System_Int32_System_Double_System_Double_" data-uid="C1.Win.Chart.Series.OnSymbolRendering(C1.Chart.IRenderEngine,System.Int32,System.Double,System.Double)">OnSymbolRendering(IRenderEngine, int, double, double)</h4>
<div class="markdown level1 summary"><p>Called when symbol is rendering.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected override bool OnSymbolRendering(IRenderEngine engine, int i, double x, double y)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overrides Function OnSymbolRendering(engine As IRenderEngine, i As Integer, x As Double, y As Double) As Boolean</code></pre>
</div>
<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><span class="xref">IRenderEngine</span></td>
      <td><span class="parametername">engine</span></td>
      <td><p>Render engine <span class="xref">C1.Chart.IRenderEngine</span> object.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">i</span></td>
      <td><p>Index of data point.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></td>
      <td><span class="parametername">x</span></td>
      <td><p>X pixel coordinate.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></td>
      <td><span class="parametername">y</span></td>
      <td><p>Y pixel coordinate.</p>
</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>Whether to perform default symbol rendering.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="C1.Chart.SeriesBase.OnSymbolRendering.html#C1_Chart_SeriesBase_OnSymbolRendering_C1_Chart_IRenderEngine_System_Int32_System_Double_System_Double_">SeriesBase.OnSymbolRendering(IRenderEngine, int, double, double)</a></div>
</div>