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CompositionTarget.SurfaceContentsLost Evento

Definição

Ocorre quando ocorre uma alteração principal subjacente, como uma alteração de dispositivo DirectX. Normalmente, o aplicativo deve regenerar seu conteúdo de superfície quando notificado desse 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 */ }
Microsoft.UI.Xaml.Media.CompositionTarget.addEventListener("surfacecontentslost", onSurfaceContentsLost);
Microsoft.UI.Xaml.Media.CompositionTarget.removeEventListener("surfacecontentslost", onSurfaceContentsLost);
- or -
Microsoft.UI.Xaml.Media.CompositionTarget.onsurfacecontentslost = onSurfaceContentsLost;
Public Shared Custom Event SurfaceContentsLost As EventHandler(Of Object) 

Tipo de evento

Aplica-se a