Task.ContinueWith<TResult> Method (Func<Task, TResult>, TaskContinuationOptions)

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

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


Public Function ContinueWith(Of TResult) ( _
    continuationFunction As Func(Of Task, TResult), _
    continuationOptions As TaskContinuationOptions _
) As Task(Of TResult)
public Task<TResult> ContinueWith<TResult>(
    Func<Task, TResult> continuationFunction,
    TaskContinuationOptions continuationOptions

Type Parameters

  • TResult
    The type of the result produced by the continuation.


  • continuationFunction
    Type: System.Func<Task, TResult>
    A function to run according to 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<TResult>
A new continuation Task<TResult>.


Exception Condition

The Task has been disposed.


The continuationFunction argument is null.


The continuationOptions argument specifies an invalid value for TaskContinuationOptions.


The returned Task<TResult> will not be scheduled for execution until the current task has completed. If the continuation criteria specified through the continuationOptions parameter are not met, the continuation task will be canceled instead of scheduled.

Version Information


Supported in: 5


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