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TaskFactory.ContinueWhenAll(Of TAntecedentResult) Method (Task(Of TAntecedentResult)(), Action(Of Task(Of TAntecedentResult)()), CancellationToken)

Creates a continuation task that starts when a set of specified tasks has completed.

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

'Declaration
Public Function ContinueWhenAll(Of TAntecedentResult) ( _
	tasks As Task(Of TAntecedentResult)(), _
	continuationAction As Action(Of Task(Of TAntecedentResult)()), _
	cancellationToken As CancellationToken _
) As Task

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Parameters

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

The array of tasks from which to continue.

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

The action delegate to execute when all tasks in the tasks array have completed.

cancellationToken
Type: System.Threading.CancellationToken

The cancellation token to assign to the new continuation task.

Return Value

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

ExceptionCondition
ObjectDisposedException

An element in the tasks array has been disposed.

-or-

The CancellationTokenSource that created cancellationToken has already been disposed.

ArgumentNullException

The tasks array is Nothing.

-or-

The continuationAction argument is Nothing.

ArgumentException

The tasks array is empty or contains a null value.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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