BackgroundTaskProgressEventArgs Class

Definition

Namespace:

Windows.ApplicationModel.Background

Represents progress information for a task at the time a progress update notification is sent.

C#

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class BackgroundTaskProgressEventArgs

Inheritance

Object BackgroundTaskProgressEventArgs

Attributes

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v1.0)

Examples

The following example shows how to use the BackgroundTaskProgressEventArgs class with a BackgroundTaskProgressEventHandler delegate to show background task progress while the app is in the foreground.

C#

private async void OnProgress(IBackgroundTaskRegistration task, BackgroundTaskProgressEventArgs args)
{
    //
    // UI element updates should be done asynchronously.
    //
    await Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
    () =>
    {
        ExampleProgressElement.Text = "Progress is at " args.Progress + "%.";
    });
}

Remarks

The system generates this class and passes it as an argument to the application's BackgroundTaskProgressEventHandler handler.

Properties

InstanceId	Gets the identifier of the background task instance for this progress status notification.
Progress	Gets progress status for a background task instance.

Applies to