通过

BarcodeScannerFrameReaderFrameArrivedEventArgs 类

  • 参考

定义

命名空间:
Windows.Devices.PointOfService.Provider
编辑

此对象作为参数传递给 BarcodeScannerFrameReader.FrameArrived 事件的事件处理程序。

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
继承
Object Platform::Object IInspectable BarcodeScannerFrameReaderFrameArrivedEventArgs
属性
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 要求

设备系列
Windows 10, version 1809 (在 10.0.17763.0 中引入)
API contract
Windows.Foundation.UniversalApiContract (在 v7.0 中引入)

注解

如果需要在方法处理程序范围之外异步完成处理，请使用 GetDeferral 。

方法

GetDeferral()

获取此操作的延迟对象。

适用于