InputFocusController.NavigateFocusRequested Evento

Definición

Espacio de nombres:

Microsoft.UI.Input

Se produce cuando el host Content.ContentIsland quiere que ContentIsland tenga el foco.

Por ejemplo, el usuario ha tabulado los elementos del host y ahora necesita tabular en ContentIsland. La aplicación de hospedaje llama a InputFocusNavigationHost.NavigateFocus(Microsoft.UI.Input.FocusNavigationRequest) en inputFocusNavigationHost asociado a SiteBridge. InputFocusController para ContentIsland recibe este evento NavigateFocusRequested y puede decidir si tomará el foco.

// Register
event_token NavigateFocusRequested(TypedEventHandler<InputFocusController, FocusNavigationRequestEventArgs const&> const& handler) const;

// Revoke with event_token
void NavigateFocusRequested(event_token const* cookie) const;

// Revoke with event_revoker
InputFocusController::NavigateFocusRequested_revoker NavigateFocusRequested(auto_revoke_t, TypedEventHandler<InputFocusController, FocusNavigationRequestEventArgs const&> const& handler) const;

public event TypedEventHandler<InputFocusController,FocusNavigationRequestEventArgs> NavigateFocusRequested;

function onNavigateFocusRequested(eventArgs) { /* Your code */ }
inputFocusController.addEventListener("navigatefocusrequested", onNavigateFocusRequested);
inputFocusController.removeEventListener("navigatefocusrequested", onNavigateFocusRequested);
- or -
inputFocusController.onnavigatefocusrequested = onNavigateFocusRequested;

Public Custom Event NavigateFocusRequested As TypedEventHandler(Of InputFocusController, FocusNavigationRequestEventArgs) 

Tipo de evento

TypedEventHandler<InputFocusController,FocusNavigationRequestEventArgs>

Comentarios

Establecer el valor de resultado de FocusNavigationRequestEventArgs no establece implícitamente el foco. Se debe llamar explícitamente a TrySetFocus.