# C1.WPF.Core.C1ScrollViewer.OnToolTipShown

## Content

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<h1 id="C1_WPF_Core_C1ScrollViewer_OnToolTipShown_" data-uid="C1.WPF.Core.C1ScrollViewer.OnToolTipShown*">OnToolTipShown Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_Core_C1ScrollViewer_OnToolTipShown_" data-uid="C1.WPF.Core.C1ScrollViewer.OnToolTipShown*"></a>
<h4 id="C1_WPF_Core_C1ScrollViewer_OnToolTipShown_System_Windows_Controls_Primitives_ScrollBar_" data-uid="C1.WPF.Core.C1ScrollViewer.OnToolTipShown(System.Windows.Controls.Primitives.ScrollBar)">OnToolTipShown(ScrollBar)</h4>
<div class="markdown level1 summary"><p>Raises the ToolTipShown event, determining the appropriate tooltip position
based on user-defined input or scrollbar movement.</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 virtual void OnToolTipShown(ScrollBar scrollBar)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overridable Sub OnToolTipShown(scrollBar As ScrollBar)</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.windows.controls.primitives.scrollbar">ScrollBar</a></td>
      <td><span class="parametername">scrollBar</span></td>
      <td><p>Event arguments containing the scroll bar raising the event.</p>
</td>
    </tr>
  </tbody>
</table>
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