LookUpEdit.SelectionChanging Event
Occurs before a user selects an item in the editor’s popup. This event works in Multiple Item Selection mode only.
Namespace: DevExpress.XtraEditors
Assembly: DevExpress.XtraEditors.v24.1.dll
NuGet Package: DevExpress.Win.Navigation
Declaration
[DXCategory("Events")]
public event EventHandler<PopupSelectionChangingEventArgs> SelectionChanging
Event Data
The SelectionChanging event's data class is PopupSelectionChangingEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Cancel | Gets or sets whether to cancel the change selection operation. |
IsSelected | Gets whether the item is selected. |
Remarks
The SelectionChanging
event allows you to retain the item’s selected state. The following code sample does not allow users to toggle the first item’s selection:
private void lookUpEdit1_SelectionChanging(object sender, DevExpress.XtraEditors.Controls.PopupSelectionChangingEventArgs e) {
e.Cancel = e.RecordIndex == 0;
}
See Also