WindowsRuntimeSystemExtensions.AsTask<(Of <(TProgress>)>) Method (<(Of <(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.
[SECURITY CRITICAL]
[ 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)
Syntax
<ExtensionAttribute> _
Public Shared Function AsTask(Of TProgress) ( _
source As IAsyncActionWithProgress(Of TProgress), _
cancellationToken As CancellationToken _
) As Task
public static Task AsTask<TProgress>(
this IAsyncActionWithProgress<TProgress> source,
CancellationToken cancellationToken
)
Type Parameters
- TProgress
The type of object that provides data that indicates progress.
Parameters
- source
Type: IAsyncActionWithProgress<(Of <(TProgress>)>)
The asynchronous action.
- cancellationToken
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<(Of <(TProgress>)>). When you use instance method syntax to call this method, omit the first parameter.
Version Information
Windows Phone OS
Supported in: 8.1, 8.0