Gets or sets an object that provides the filter functionality.
A DevExpress.XtraBars.Navigation.IFilterContent object that provides the filter functionality.
Users can filter items in the accordion control (see AccordionControl.ShowFilterControl). The accordion control uses the built-in filter control by default. You can also provide a custom control using the FilterControl property. For example, you can use a lookup control as shown on the figure below.
Show Me A complete sample project is available on GitHub at https://github.com/DevExpress-Examples/how-to-create-a-custom-filter-control-for-the-accordion-control.