AdaptiveMediaSourceDownloadStatistics 类

定义

命名空间:

Windows.Media.Streaming.Adaptive

表示一组与 AdaptiveMediaSource.DownloadFailed 和 AdaptiveMediaSource.DownloadCompleted 事件关联的下载统计信息。

public ref class AdaptiveMediaSourceDownloadStatistics sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 262144)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class AdaptiveMediaSourceDownloadStatistics final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 262144)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class AdaptiveMediaSourceDownloadStatistics

Public NotInheritable Class AdaptiveMediaSourceDownloadStatistics

继承

Object Platform::Object IInspectable AdaptiveMediaSourceDownloadStatistics

属性

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 要求

设备系列	Windows 10 Creators Update (在 10.0.15063.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v4.0 中引入)

注解

提供这些值是为了启用遥测收集，不用于在运行时调整应用行为。

属性

ContentBytesReceivedCount	获取事件发生时已收到的字节计数。
TimeToFirstByteReceived	获取系统对内容发出异步 http 请求与从 http 流读取第一个数据块之间的时间窗口。
TimeToHeadersReceived	获取系统对内容发出异步 http 请求和操作完成时间、收到 http 标头的时间窗口。
TimeToLastByteReceived	获取系统对内容发出异步 http 请求与从 http 流读取最后一个数据块之间的时间窗口。