UIElement.PreviewGotKeyboardFocus UIElement.PreviewGotKeyboardFocus UIElement.PreviewGotKeyboardFocus UIElement.PreviewGotKeyboardFocus Event

Definición

Se produce cuando este elemento recibe el foco del teclado.Occurs when the keyboard is focused on this element.

public:
 virtual event System::Windows::Input::KeyboardFocusChangedEventHandler ^ PreviewGotKeyboardFocus;
public event System.Windows.Input.KeyboardFocusChangedEventHandler PreviewGotKeyboardFocus;
member this.PreviewGotKeyboardFocus : System.Windows.Input.KeyboardFocusChangedEventHandler 
Public Custom Event PreviewGotKeyboardFocus As KeyboardFocusChangedEventHandler 

Implementaciones

Comentarios

Dado que este evento usa el enrutamiento de túnel, el elemento que tiene el foco puede ser un elemento secundario, en lugar del elemento que está asociado actualmente el controlador de eventos.Because this event uses tunneling routing, the element that has focus might be a child element instead of the element where the event handler is actually attached. Compruebe el Source en los datos del evento para determinar el elemento real que tiene el foco.Check the Source in the event data to determine the actual element that has focus.

Este evento crea un alias para el Keyboard.PreviewGotKeyboardFocus adjunta eventos para esta clase, por lo que PreviewGotKeyboardFocus forma parte lista los miembros de la clase cuando UIElement se hereda como elemento base.This event creates an alias for the Keyboard.PreviewGotKeyboardFocus attached event for this class, so that PreviewGotKeyboardFocus is part of the class members list when UIElement is inherited as a base element. Controladores de eventos que están asociados a la PreviewGotKeyboardFocus se adjuntan eventos subyacente Keyboard.PreviewGotKeyboardFocus evento adjunto y reciben la misma instancia de datos de evento.Event handlers that are attached to the PreviewGotKeyboardFocus event are attached to the underlying Keyboard.PreviewGotKeyboardFocus attached event and receive the same event data instance.

Información sobre eventos enrutadosRouted Event Information

Campo de identificadorIdentifier field PreviewGotKeyboardFocusEvent
Estrategia de enrutamientoRouting strategy TúnelTunneling
delegadoDelegate KeyboardFocusChangedEventHandler

Se aplica a

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