CompositionTarget.SurfaceContentsLost Evento

Definizione

Spazio dei nomi:

Windows.UI.Xaml.Media

Si verifica quando si verifica una modifica principale sottostante, ad esempio una modifica del dispositivo DirectX. In genere l'applicazione deve rigenerare il contenuto della superficie quando si riceve una notifica di questo evento.

// Register
static event_token SurfaceContentsLost(EventHandler<IInspectable> const& handler) const;

// Revoke with event_token
static void SurfaceContentsLost(event_token const* cookie) const;

// Revoke with event_revoker
static CompositionTarget::SurfaceContentsLost_revoker SurfaceContentsLost(auto_revoke_t, EventHandler<IInspectable> const& handler) const;

public static event System.EventHandler<object> SurfaceContentsLost;

function onSurfaceContentsLost(eventArgs) { /* Your code */ }
Windows.UI.Xaml.Media.CompositionTarget.addEventListener("surfacecontentslost", onSurfaceContentsLost);
Windows.UI.Xaml.Media.CompositionTarget.removeEventListener("surfacecontentslost", onSurfaceContentsLost);
- or -
Windows.UI.Xaml.Media.CompositionTarget.onsurfacecontentslost = onSurfaceContentsLost;

Public Shared Custom Event SurfaceContentsLost As EventHandler(Of Object) 

Tipo evento

EventHandler<Object>

EventHandler<Object>

EventHandler<IInspectable>