ShowNavigationItemController.CustomUpdateSelectedItem Event

Occurs when the ShowNavigationItemController.ShowNavigationItemAction‘s selected item is about to change, to reflect the change of the active View.

Namespace: DevExpress.ExpressApp.SystemModule

Assembly: DevExpress.ExpressApp.v19.2.dll

Declaration

C#

public event EventHandler<CustomUpdateSelectedItemEventArgs> CustomUpdateSelectedItem

VB.NET

Public Event CustomUpdateSelectedItem As EventHandler(Of CustomUpdateSelectedItemEventArgs)

Event Data

The CustomUpdateSelectedItem event's data class is DevExpress.ExpressApp.SystemModule.CustomUpdateSelectedItemEventArgs.

Remarks

This event is raised by the ShowNavigationItemController.UpdateSelectedItem method. Handle this event to perform specific actions when the ShowNavigationItemAction‘s selected item is about to change. You can perform the change of the selected item in a custom way. In this instance, set the event handler’s CustomUpdateSelectedItemEventArgs.Handled parameter to true.