AppBroadcastBackgroundService Class

Reference

Definition

Namespace:: Windows.Media.Capture

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

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Provides an interface between the broadcasting UWP app and the system-hosted broadcast service. This class provides access to objects that facilitate broadcast service authentication, test the bandwidth capabilities of the device's internet to the broadcasting provider service, and allow your task to acquire captured audio and video frames so that they can be sent to the broadcast provider service.

Note

This API requires the appBroadcast and appBroadcastSettings capability which is not available to all Windows apps. Unless your developer account is specially provisioned by Microsoft, calls to this API will fail at runtime.

public ref class AppBroadcastBackgroundService sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Media.Capture.AppBroadcastContract, 65536)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class AppBroadcastBackgroundService final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Media.Capture.AppBroadcastContract), 65536)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class AppBroadcastBackgroundService

Public NotInheritable Class AppBroadcastBackgroundService

Inheritance: Object Platform::Object IInspectable AppBroadcastBackgroundService

Attributes: ContractVersionAttribute ThreadingAttribute

Windows requirements

Device family	Windows Desktop Extension SDK (introduced in 10.0.15063.0)
API contract	Windows.Media.Capture.AppBroadcastContract (introduced in v1.0)
App capabilities	appBroadcast appBroadcastSettings

Remarks

Get an instance of this class by casting the TriggerDetails property of the IBackgroundTaskInstance passed into your background task's Run method to a AppBroadcastTriggerDetails and then accessing the BackgroundService property.

This API may throw an error if the background service has shut down due to idle timeout.

Version history

Windows version	SDK version	Value added
1709	16299	BroadcastChannel
1709	16299	BroadcastChannelChanged
1709	16299	BroadcastLanguage
1709	16299	BroadcastLanguageChanged
1709	16299	BroadcastTitleChanged

Properties

AppId	Gets a string containing an identifier for the game being broadcast. When broadcasting on a desktop device, this value is the game on which the user initiated broadcasting.
BroadcastChannel	Gets a string containing the name of the current broadcast channel.
BroadcastLanguage	Gets a string representing the language of the current broadcast channel.
BroadcastTitle	Gets a string containing the user-specified title of the broadcast.
PlugInState	Gets or sets a value specifying the current state of the broadcast background task.
SignInInfo	Gets an object that represents the sign-in information for the app broadcast background service.
StreamInfo	Gets an object that manages the stream state of the app broadcast background service.
TitleId	Gets a unique identifier for the title being broadcast.
ViewerCount	Gets or sets the number of viewers of the broadcast.

Methods

TerminateBroadcast(AppBroadcastTerminationReason, UInt32)

Terminates a broadcast.

Events

BroadcastChannelChanged	Occurs when the value of the BroadcastChannel property changes.
BroadcastLanguageChanged	Occurs when the value of the BroadcastLanguage property changes.
BroadcastTitleChanged	Occurs when the value of the BroadcastTitle property changes.
HeartbeatRequested	Raised by the system periodically to confirm that the broadcasting background task is currently active.

Applies to

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