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

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Creates a continuation that executes according the condition specified in continuationOptions.

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

Syntax

'Declaration
Public Function ContinueWith ( _
    continuationAction As Action(Of Task(Of TResult)), _
    cancellationToken As CancellationToken, _
    continuationOptions As TaskContinuationOptions, _
    scheduler As TaskScheduler _
) As Task

public Task ContinueWith(
    Action<Task<TResult>> continuationAction,
    CancellationToken cancellationToken,
    TaskContinuationOptions continuationOptions,
    TaskScheduler scheduler
)

Parameters

  • continuationAction
    Type: System.Action<Task<TResult>>
    An action to run according the condition specified in continuationOptions. When run, the delegate will be passed the completed task as an argument.

Return Value

Type: System.Threading.Tasks.Task
A new continuation Task.

Exceptions

Exception Condition
ObjectDisposedException

The Task<TResult> has been disposed.

-or-

The CancellationTokenSource that created cancellationToken has already been disposed.
ArgumentNullException

The continuationAction argument is null.

-or-

The scheduler argument is null.
ArgumentOutOfRangeException

The continuationOptions argument specifies an invalid value for TaskContinuationOptions.

Remarks

The returned Task will not be scheduled for execution until the current task has completed. If the criteria specified through the continuationOptions parameter are not met, the continuation task will be canceled instead of scheduled. For more information, see How to: Chain Multiple Tasks with Continuations.

Version Information

Silverlight

Supported in: 5

Platforms

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