# C1.Win.FlexGrid.C1FlexGridBase.ScrollBarAnnotationsUpdating

## Content

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<h1 id="C1_Win_FlexGrid_C1FlexGridBase_ScrollBarAnnotationsUpdating" data-uid="C1.Win.FlexGrid.C1FlexGridBase.ScrollBarAnnotationsUpdating" class="text-break">ScrollBarAnnotationsUpdating Event
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<div class="markdown level0 summary"><p>Fires before the scrollbar annotations are updated.</p>
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<div class="markdown level0 conceptual"></div>
<h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.FlexGrid.html">C1.Win.FlexGrid</a></h6>
<h6><strong>Assembly</strong>: C1.Win.FlexGrid.10.dll</h6>
<h5 id="C1_Win_FlexGrid_C1FlexGridBase_ScrollBarAnnotationsUpdating_syntax">Syntax</h5>
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  <pre><code class="lang-csharp hljs">public event EventHandler&lt;ScrollBarAnnotationsUpdatingArgs&gt; ScrollBarAnnotationsUpdating</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Event ScrollBarAnnotationsUpdating As EventHandler(Of ScrollBarAnnotationsUpdatingArgs)</code></pre>
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<h5 class="returns">Returns</h5>
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      <th>Type</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventhandler-1">EventHandler</a>&lt;<a class="xref" href="C1.Win.FlexGrid.ScrollBarAnnotationsUpdatingArgs.html">ScrollBarAnnotationsUpdatingArgs</a>&gt;</td>
      <td>Fires before the scrollbar annotations are updated.</td>
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<h5 id="C1_Win_FlexGrid_C1FlexGridBase_ScrollBarAnnotationsUpdating_remarks"><strong>Remarks</strong></h5>
<div class="markdown level0 remarks"><p>You can update custom annotations when other annotation types are disabled
by subscribing to this event then calling <a class="xref" href="C1.Win.FlexGrid.C1FlexGridBase.UpdateScrollBarAnnotations.html#C1_Win_FlexGrid_C1FlexGridBase_UpdateScrollBarAnnotations_System_Boolean_System_Boolean_">UpdateScrollBarAnnotations(bool, bool)</a> method.</p>
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