# C1.WinUI.Viewer.FlexViewer.OnPrepareToolMenu

## Content

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<h1 id="C1_WinUI_Viewer_FlexViewer_OnPrepareToolMenu_" data-uid="C1.WinUI.Viewer.FlexViewer.OnPrepareToolMenu*">OnPrepareToolMenu Method
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<a id="C1_WinUI_Viewer_FlexViewer_OnPrepareToolMenu_" data-uid="C1.WinUI.Viewer.FlexViewer.OnPrepareToolMenu*"></a>
<h4 id="C1_WinUI_Viewer_FlexViewer_OnPrepareToolMenu" data-uid="C1.WinUI.Viewer.FlexViewer.OnPrepareToolMenu">OnPrepareToolMenu()</h4>
<div class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.WinUI.Viewer.FlexViewer.PrepareToolMenu.html">PrepareToolMenu</a> event.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected virtual void OnPrepareToolMenu()</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnPrepareToolMenu()</code></pre>
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