Task.ContinueWith<'TResult> Method (Func<Task, 'TResult>, CancellationToken)

 

Creates a continuation that executes asynchronously when the target Task completes and returns a value. The continuation receives a cancellation token.

Namespace:   System.Threading.Tasks
Assembly:  mscorlib (in mscorlib.dll)

member ContinueWith<'TResult> : 
        continuationFunction:Func<Task, 'TResult> *
        cancellationToken:CancellationToken -> Task<'TResult>

Parameters

continuationFunction
Type: System.Func<Task, 'TResult>

A function to run when the Task completes. When run, the delegate will be passed the completed task as an argument.

cancellationToken
Type: System.Threading.CancellationToken

The CancellationToken that will be assigned to the new continuation task.

Return Value

Type: System.Threading.Tasks.Task<'TResult>

A new continuation Task<'TResult>.

Type Parameters

TResult

The type of the result produced by the continuation.

Exception Condition
ObjectDisposedException

The Task has been disposed.

-or-

The CancellationTokenSource that created the token has already been disposed.

ArgumentNullException

The continuationFunction argument is null.

The returned Task<'TResult> will not be scheduled for execution until the current task has completed, whether it completes due to running to completion successfully, faulting due to an unhandled exception, or exiting out early due to being canceled.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 5.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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