Task.ContinueWith<TResult> Method (Func<Task, TResult>, TaskContinuationOptions)
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Creates a continuation that executes according to the condition specified in continuationOptions.
Namespace: System.Threading.Tasks
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
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.
Parameters
- 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.
- continuationOptions
Type: System.Threading.Tasks.TaskContinuationOptions
Options for when the continuation is scheduled and how it behaves. This includes criteria, such as OnlyOnCanceled, as well as execution options, such as ExecuteSynchronously.
Return Value
Type: System.Threading.Tasks.Task<TResult>
A new continuation Task<TResult>.
Exceptions
| Exception | Condition |
|---|---|
| ObjectDisposedException | The Task has been disposed. |
| ArgumentNullException | The continuationFunction argument is null. |
| ArgumentOutOfRangeException | The continuationOptions argument specifies an invalid value for TaskContinuationOptions. |
Remarks
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
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.