BarcodeScannerFrameReaderFrameArrivedEventArgs Classe

  • Riferimento

Definizione

Spazio dei nomi:
Windows.Devices.PointOfService.Provider
Modifica

Questo oggetto viene passato come parametro ai gestori eventi per l'evento BarcodeScannerFrameReader.FrameArrived .

public ref class BarcodeScannerFrameReaderFrameArrivedEventArgs sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 458752)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class BarcodeScannerFrameReaderFrameArrivedEventArgs final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 458752)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class BarcodeScannerFrameReaderFrameArrivedEventArgs final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 458752)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class BarcodeScannerFrameReaderFrameArrivedEventArgs
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 458752)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class BarcodeScannerFrameReaderFrameArrivedEventArgs
Public NotInheritable Class BarcodeScannerFrameReaderFrameArrivedEventArgs
Ereditarietà
Object Platform::Object IInspectable BarcodeScannerFrameReaderFrameArrivedEventArgs
Attributi
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Requisiti Windows

Famiglia di dispositivi
Windows 10, version 1809 (è stato introdotto in 10.0.17763.0)
API contract
Windows.Foundation.UniversalApiContract (è stato introdotto in v7.0)

Commenti

Usare GetDeferral se l'elaborazione deve essere eseguita in modo asincrono all'esterno dell'ambito del gestore del metodo.

Metodi

GetDeferral()

Ottiene un oggetto rinvio per questa operazione.

Si applica a