TaskFactory.ContinueWhenAll<TAntecedentResult> Method (Task<TAntecedentResult>[], Action<Task<TAntecedentResult>[]>, CancellationToken)

 

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

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

public Task ContinueWhenAll<TAntecedentResult>(
	Task<TAntecedentResult>[] tasks,
	Action<Task<TAntecedentResult>[]> continuationAction,
	CancellationToken cancellationToken
)

Parameters

tasks
Type: System.Threading.Tasks.Task<TAntecedentResult>[]

The array of tasks from which to continue.

continuationAction
Type: System.Action<Task<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.

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Exception Condition
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 null.

-or-

The continuationAction argument is null.

ArgumentException

The tasks array is empty or contains a null value.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 5.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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