BackgroundTaskProgressEventHandler 委托

定义

命名空间:

Windows.ApplicationModel.Background

表示处理后台任务的进度更新事件的方法。

public delegate void BackgroundTaskProgressEventHandler(BackgroundTaskRegistration ^ sender, BackgroundTaskProgressEventArgs ^ args);

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.Guid(1189111868, 35464, 19609, 128, 76, 118, 137, 127, 98, 119, 166)]
class BackgroundTaskProgressEventHandler : MulticastDelegate

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.Guid(1189111868, 35464, 19609, 128, 76, 118, 137, 127, 98, 119, 166)]
public delegate void BackgroundTaskProgressEventHandler(BackgroundTaskRegistration sender, BackgroundTaskProgressEventArgs args);

var backgroundTaskProgressEventHandlerHandler = function(sender, args){
/* Your code */
}

Public Delegate Sub BackgroundTaskProgressEventHandler(sender As BackgroundTaskRegistration, args As BackgroundTaskProgressEventArgs)

参数

sender

BackgroundTaskRegistration

后台任务。

args

BackgroundTaskProgressEventArgs

发送通知时任务的进度信息。

属性

ContractVersionAttribute GuidAttribute

Windows 要求

设备系列	Windows 10 (在 10.0.10240.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v1.0 中引入)

注解

仅当应用程序处于前台时，才会传递进度更新事件。