BarcodeScannerFrameReaderFrameArrivedEventArgs 类
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
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
- 属性
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。 |