CompositionTarget.SurfaceContentsLost Event

Definition

Occurs when an underlying major change occurs, such as a DirectX device change. Typically the application must regenerate its surface contents when notified of this event.

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

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

// Revoke with event_revoker
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) 

Applies to