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ContinueWhenAny(TAntecedentResult) Method (Task(TAntecedentResult)[], Action(Task(TAntecedentResult)), CancellationToken)
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TaskFactory.ContinueWhenAny(Of TAntecedentResult) Method (Task(Of TAntecedentResult)(), Action(Of Task(Of TAntecedentResult)), CancellationToken)

Creates a continuation Task that will be started upon the completion of any Task in the provided set.

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

Public Function ContinueWhenAny(Of TAntecedentResult) ( _
	tasks As Task(Of TAntecedentResult)(), _
	continuationAction As Action(Of Task(Of TAntecedentResult)), _
	cancellationToken As CancellationToken _
) As Task

Type Parameters


The type of the result of the antecedent tasks.


Type: System.Threading.Tasks.Task(Of TAntecedentResult)()

The array of tasks from which to continue when one task completes.

Type: System.Action(Of Task(Of TAntecedentResult))

The action delegate to execute when one task in the tasks array completes.

Type: System.Threading.CancellationToken

The CancellationToken that will be assigned to the new continuation task.

Return Value

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


The exception that is thrown when one of the elements in the tasks array has been disposed.


The provided CancellationToken has already been disposed.


The exception that is thrown when the tasks array is null.


The exception that is thrown when the continuationAction argument is null.


The exception that is thrown when the tasks array contains a null value.


The exception that is thrown when the tasks array is empty.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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