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

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 Task ContinueWhenAny(
	Task[] tasks,
	Action<Task> continuationAction,
	TaskContinuationOptions continuationOptions
)

Parameters

tasks
Type: System.Threading.Tasks.Task[]

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

continuationAction
Type: System.Action<Task>

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

continuationOptions
Type: System.Threading.Tasks.TaskContinuationOptions

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

Return Value

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

ExceptionCondition
ObjectDisposedException

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

ArgumentNullException

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

-or-

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

ArgumentOutOfRangeException

The exception that is thrown when the continuationOptions argument specifies an invalid TaskContinuationOptions value.

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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