ComboBoxEditSettings.GroupStyle Property
Gets a collection of GroupStyle objects that define the appearance of each level of groups.
Namespace: DevExpress.Xpf.Editors.Settings
Assembly: DevExpress.Xpf.Core.v24.1.dll
NuGet Package: DevExpress.Wpf.Core
Declaration
Property Value
| Type | Description |
|---|---|
| ObservableCollection<GroupStyle> | One or more GroupStyle objects. |
Remarks
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 accomplish 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):
