ComboBoxEdit.GroupStyle Property

Gets a collection of GroupStyle objects that define the appearance of each group level.

Namespace: DevExpress.Xpf.Editors

Assembly: DevExpress.Xpf.Core.v21.1.dll


public ObservableCollection<GroupStyle> GroupStyle { get; }

Property Value

Type Description

One or more GroupStyle objects.


DevExpress WPF ComboBoxEdit, LookUpEdit and ListBoxEdit controls include support for ICollectionView – allowing you to manipulate the current record and define rules for filtering, sorting and grouping.

By default, if a grouping rule is defined in the ICollectionView, editors display the plain list in which items are sorted to meet data grouping. Use the GroupStyle property to visually enhance the presentation of grouped items. For instance, you can display expandable groups (see the image below):



When grouping is used, the ComboBoxEdit control scrolls items per group by default. To change this behavior, set the VirtualizingPanel.IsVirtualizingWhenGrouping attached property to true.

<dxe:ComboBoxEdit VirtualizingPanel.IsVirtualizingWhenGrouping="True">
See Also