vcl-157012-expresspivotgrid-concepts-grouping-value-context-menu.md
The grouping value context menu can be invoked by right-clicking the grouping field value. This menu allows end-users to expand or collapse grouping columns and rows.
The table below lists the main properties which affect the menu’s appearance and behavior:
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Availability
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The pivot grid’s PopupMenus.GroupValueMenu.UseBuiltInMenu option.
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Contents
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To invoke a custom pop-up menu at runtime, specify the menu via the pivot grid’s PopupMenus.GroupValueMenu.PopupMenu and set the PopupMenus.GroupValueMenu.UseBuiltInMenu property to False. Otherwise, the built-in pop-up menu will be displayed.
Use the PopupMenus.GroupValueMenu.Items property to toggle the visibility of specific menu items in the built-in pop-up menu.
Handle the pivot grid’s PopupMenus.OnPopup event to customize the contents of the invoked pop-up menu.
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Behavior
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Handle the pivot grid’s PopupMenus.OnClick event to respond to clicks on menu items.
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See Also