通过

BarcodeScannerGetSymbologyAttributesRequest 类

  • 参考

定义

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

表示获取条形码符号系统属性的请求。

public ref class BarcodeScannerGetSymbologyAttributesRequest sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 393216)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class BarcodeScannerGetSymbologyAttributesRequest final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 393216)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class BarcodeScannerGetSymbologyAttributesRequest final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 393216)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class BarcodeScannerGetSymbologyAttributesRequest
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 393216)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class BarcodeScannerGetSymbologyAttributesRequest
Public NotInheritable Class BarcodeScannerGetSymbologyAttributesRequest
继承
Object Platform::Object IInspectable BarcodeScannerGetSymbologyAttributesRequest
属性
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 要求

设备系列
Windows 10, version 1803 (在 10.0.17134.0 中引入)
API contract
Windows.Foundation.UniversalApiContract (在 v6.0 中引入)

注解

系统生成此类的实例，并将其设置为 GetBarcodeSymbologyAttributesRequested 事件的 BarcodeScannerGetSymbologyAttributesRequestEventArgs 参数中的属性。

版本历史记录

Windows 版本 SDK 版本 已添加值
1809 17763 ReportFailedAsync (Int32)
1809 17763 ReportFailedAsync (Int32，String)

属性

Symbology

获取条形码符号系统。 可能的值在 BarcodeSymbologies 类中定义。

方法

ReportCompletedAsync(BarcodeSymbologyAttributes)

通知客户端应用请求已成功处理。
ReportFailedAsync()

通知客户端请求未成功处理。
ReportFailedAsync(Int32, String)

通知客户端请求未成功处理。
ReportFailedAsync(Int32)

通知客户端请求未成功处理。

适用于