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AppBroadcastBackgroundService.HeartbeatRequested Kejadian

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Definisi

Ruang nama:
Windows.Media.Capture
Edit

Dimunculkan oleh sistem secara berkala untuk mengonfirmasi bahwa tugas latar belakang penyiaran saat ini aktif.

// Register
event_token HeartbeatRequested(TypedEventHandler<AppBroadcastBackgroundService, AppBroadcastHeartbeatRequestedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
AppBroadcastBackgroundService::HeartbeatRequested_revoker HeartbeatRequested(auto_revoke_t, TypedEventHandler<AppBroadcastBackgroundService, AppBroadcastHeartbeatRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<AppBroadcastBackgroundService,AppBroadcastHeartbeatRequestedEventArgs> HeartbeatRequested;
function onHeartbeatRequested(eventArgs) { /* Your code */ }
appBroadcastBackgroundService.addEventListener("heartbeatrequested", onHeartbeatRequested);
appBroadcastBackgroundService.removeEventListener("heartbeatrequested", onHeartbeatRequested);
- or -
appBroadcastBackgroundService.onheartbeatrequested = onHeartbeatRequested;
Public Custom Event HeartbeatRequested As TypedEventHandler(Of AppBroadcastBackgroundService, AppBroadcastHeartbeatRequestedEventArgs)

Jenis Acara

TypedEventHandler<AppBroadcastBackgroundService,AppBroadcastHeartbeatRequestedEventArgs>

Persyaratan Windows

Kemampuan aplikasi
appBroadcast appBroadcastSettings

Keterangan

Atur properti Ditangani ke true untuk mengonfirmasi bahwa tugas latar belakang saat ini aktif. Kegagalan untuk menanggapi peristiwa ini dan mengatur properti Ditangani ke true dapat mengakibatkan tugas latar belakang untuk aplikasi siaran dihentikan.

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