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Task<TResult>.ContinueWith Method (Action<Task<TResult>>, CancellationToken)

Creates a continuation that executes asynchronously when the target Task<TResult> completes.

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

public Task ContinueWith(
	Action<Task<TResult>> continuationAction,
	CancellationToken cancellationToken
)

Parameters

continuationAction
Type: System.Action<Task<TResult>>
An action to run when the Task<TResult> 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
A new continuation Task.

ExceptionCondition
ObjectDisposedException

The Task<TResult> has been disposed.

-or-

The CancellationTokenSource that created cancellationToken has already been disposed.

ArgumentNullException

The continuationAction argument is null.

The returned Task 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.

Silverlight

Supported in: 5

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Date

History

Reason

Added text to clarify asynchronous execution of continuations.

Customer feedback.

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