Task.ContinueWith<TResult> Method (Func<Task, TResult>, CancellationToken)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Creates a continuation that executes asynchronously when the target Task completes.
Assembly: mscorlib (in mscorlib.dll)
public Task<TResult> ContinueWith<TResult>(
Func<Task, TResult> continuationFunction,
CancellationToken cancellationToken
)
Type Parameters
- TResult
The type of the result produced by the continuation.
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.
| 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.