public static Task Then(
	this Task task,
	Func<Task, Task> continuationFunction
)

<ExtensionAttribute>
Public Shared Function Then ( 
	task As Task,
	continuationFunction As Func(Of Task, Task)
) As Task

public:
[ExtensionAttribute]
static Task^ Then(
	Task^ task, 
	Func<Task^, Task^>^ continuationFunction
)

[<ExtensionAttribute>]
static member Then : 
        task : Task * 
        continuationFunction : Func<Task, Task> -> Task 

Parameters

task

Type: System.Threading.TasksTask
The antecedent task.

continuationFunction

Type: SystemFuncTask, Task
The continuation function to execute when task completes successfully. The continuation function returns a Task which provides the final result of the continuation.

Return Value

Usage Note

If the antecedent task is cancelled or faulted, the status of the antecedent is directly applied to the task returned by this method; it is not wrapped in an additional AggregateException.

Notes to Callers
Since the continuationFunction is executed synchronously, this method should only be used for lightweight continuation functions. This restriction applies only to continuationFunction itself, not to the Task returned by it.

.NET Framework

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Reference