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TaskFactory.ContinueWhenAny<TAntecedentResult> Method (Task<TAntecedentResult>[], Action<Task<TAntecedentResult>>, CancellationToken, TaskContinuationOptions, TaskScheduler)

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

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

public Task ContinueWhenAny<TAntecedentResult>(
	Task<TAntecedentResult>[] tasks,
	Action<Task<TAntecedentResult>> continuationAction,
	CancellationToken cancellationToken,
	TaskContinuationOptions continuationOptions,
	TaskScheduler scheduler
)

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Parameters

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

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

continuationAction
Type: System.Action<Task<TAntecedentResult>>

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

cancellationToken
Type: System.Threading.CancellationToken

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

continuationOptions
Type: System.Threading.Tasks.TaskContinuationOptions

The TaskContinuationOptions value that controls the behavior of the created continuation Task.

scheduler
Type: System.Threading.Tasks.TaskScheduler

The TaskScheduler that is used to schedule the created continuation Task<TResult>.

Return Value

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

ExceptionCondition
ArgumentNullException

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

-or-

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

-or-

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

ArgumentException

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

-or-

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

The NotOn* and OnlyOn* TaskContinuationOptions, which constrain for which TaskStatus states a continuation will be executed, are illegal with ContinueWhenAny.

.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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