通过

BarcodeScannerStartSoftwareTriggerRequest 类

  • 参考

定义

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

表示向条形码扫描仪发出信号以开始扫描的请求。

public ref class BarcodeScannerStartSoftwareTriggerRequest 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 BarcodeScannerStartSoftwareTriggerRequest final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 393216)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class BarcodeScannerStartSoftwareTriggerRequest 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 BarcodeScannerStartSoftwareTriggerRequest
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 393216)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class BarcodeScannerStartSoftwareTriggerRequest
Public NotInheritable Class BarcodeScannerStartSoftwareTriggerRequest
继承
Object Platform::Object IInspectable BarcodeScannerStartSoftwareTriggerRequest
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 StartSoftwareTriggerRequested 事件的 BarcodeScannerStartSoftwareTriggerRequestEventArgs 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)

方法

ReportCompletedAsync()

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