AsTask(TProgress) Method ((TProgress), CancellationToken)

WindowsRuntimeSystemExtensions.AsTask<TProgress> Method (<TProgress>, CancellationToken)

For apps that target Windows Phone OS 7.0 and 7.1, do not use any members of this type in your app. If you do, your code will throw a MethodAccessException. This type is security-critical, which restricts it to internal use by the .NET Framework for Windows Phone class library.

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Returns a task that represents a Windows Runtime asynchronous action that can be cancelled.

Namespace:  System
Assembly:  System.Runtime.WindowsRuntime (in System.Runtime.WindowsRuntime.dll)

public static Task AsTask<TProgress>(
	this IAsyncActionWithProgress<TProgress> source,
	CancellationToken cancellationToken

Type Parameters


The type of object that provides data that indicates progress.


Type: IAsyncActionWithProgress<TProgress>
The asynchronous action.
Type: System.Threading.CancellationToken
A token that can be used to request cancellation of the asynchronous action.

Return Value

Type: System.Threading.Tasks.Task
A task that represents the asynchronous action.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IAsyncActionWithProgress<TProgress>. When you use instance method syntax to call this method, omit the first parameter.

Windows Phone OS

Supported in: 8.1, 8.0

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