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The OnClientContextMenu client-side event occurs when the user right-clicks an item in the toolbar.

The event handler receives two parameters:

  1. The instance of the toolbar firing the event.

  2. An eventArgs parameter containing the following methods:

  • get_item returns a reference to the item that was right-clicked.

  • get_domEvent returns the DOM event object for the click.

You can use this event to respond when the user right-clicks an item:

<script type="text/javascript">
    function contextmenu(toolbar, args) {
        var attributes = args.get_item().get_attributes();
        attributes.setAttribute("shownMenu", "true");

<telerik:RadToolBar id="RadToolBar1" runat="server" 
        <telerik:RadToolBarButton Text="Button1" />     
        <telerik:RadToolBarButton Text="Button2" />    
        <telerik:RadToolBarButton Text="Button3" />
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