DataViewBase.CanUnselectRow Event
Occurs in multiple row select mode when an end-user tries to unselect a grid row (node) and allows you to prevent unselecting a particular row (node).
Namespace: DevExpress.Xpf.Grid
Assembly: DevExpress.Xpf.Grid.v20.2.Core.dll
NuGet Packages: DevExpress.WindowsDesktop.Wpf.Grid.Core, DevExpress.Wpf.Grid.Core
Declaration
Event Data
The CanUnselectRow event's data class is CanUnselectRowEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| CanUnselectRow | Gets or sets whether an end-user can unselect the processed row. |
| Row | Gets a data row object that corresponds to the processed cell. |
| RowHandle | Gets the handle of a processed row. |
| View | Gets a GridControl view to which the processed row belongs. |
Remarks
Handle the CanUnselectRow event to dynamically prevent end-users from unselecting particular rows.
Set the event argument’s CanUnselectRowEventArgs.CanUnselectRow property to false to prevent an end-user from unselecting a processed row. Use the CanUnselectRowEventArgs.Row, and CanUnselectRowEventArgs.RowHandle event argument properties to retrieve a processed row.
Handle the DataViewBase.CanSelectRow event to prevent end-users from selecting a particular row.
Cell Unselection
Handle the TableView.CanUnselectCell (TreeListView.CanUnselectCell for the TreeListView) event to prevent end-users from unselecting a particular cell.