共用方式為

BarcodeScannerHideVideoPreviewRequest 類別

  • 參考

定義

命名空間:
Windows.Devices.PointOfService.Provider
編輯

表示隱藏影片預覽視窗的要求。

public ref class BarcodeScannerHideVideoPreviewRequest 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 BarcodeScannerHideVideoPreviewRequest final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 393216)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class BarcodeScannerHideVideoPreviewRequest 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 BarcodeScannerHideVideoPreviewRequest
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 393216)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class BarcodeScannerHideVideoPreviewRequest
Public NotInheritable Class BarcodeScannerHideVideoPreviewRequest
繼承
Object Platform::Object IInspectable BarcodeScannerHideVideoPreviewRequest
屬性
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 需求

裝置系列
Windows 10, version 1803 (已於 10.0.17134.0 引進)
API contract
Windows.Foundation.UniversalApiContract (已於 v6.0 引進)

備註

系統會產生這個類別的實例，並將其設定為 HideVideoPreviewRequested 事件的 BarcodeScannerHideVideoPreviewRequestEventArgs 引數中的屬性。

版本歷程記錄

Windows 版本 SDK 版本 已新增值
1809 17763 ReportFailedAsync (Int32)
1809 17763 ReportFailedAsync (Int32，String)

方法

ReportCompletedAsync()

通知用戶端應用程式已成功處理要求。
ReportFailedAsync()

通知用戶端，要求未順利處理。
ReportFailedAsync(Int32, String)

通知用戶端未成功處理要求。
ReportFailedAsync(Int32)

通知用戶端未成功處理要求。

適用於