通过

BarcodeScannerImagePreviewReceivedEventArgs 类

  • 参考

定义

命名空间:
Windows.Devices.PointOfService
编辑

提供 ImagePreviewReceived 事件中的数据。

public ref class BarcodeScannerImagePreviewReceivedEventArgs sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class BarcodeScannerImagePreviewReceivedEventArgs final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class BarcodeScannerImagePreviewReceivedEventArgs
Public NotInheritable Class BarcodeScannerImagePreviewReceivedEventArgs
继承
Object Platform::Object IInspectable BarcodeScannerImagePreviewReceivedEventArgs
属性
ContractVersionAttribute MarshalingBehaviorAttribute

Windows 要求

设备系列
Windows 10 (在 10.0.10240.0 - for Xbox, see UWP features that aren't yet supported on Xbox 中引入)
API contract
Windows.Foundation.UniversalApiContract (在 v1.0 中引入)

注解

此对象由 ImagePreviewReceived 事件创建，作为参数返回到 TypedEventHandler 委托。

属性

Preview

从表示预览帧的设备获取 。

适用于