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

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<TResult> ContinueWhenAny<TResult>(
	Task[] tasks,
	Func<Task, TResult> continuationFunction,
	TaskContinuationOptions continuationOptions
)

Type Parameters

TResult

The type of the result that is returned by the continuationFunction delegate and associated with the created task.

Parameters

tasks
Type: System.Threading.Tasks.Task[]
The array of tasks from which to continue when one task completes.
continuationFunction
Type: System.Func<Task, TResult>
The function delegate to execute asynchronously when one task in the tasks array completes.
continuationOptions
Type: System.Threading.Tasks.TaskContinuationOptions
A bitwise combination of the enumeration values that control the behavior of the created continuation task.

Return Value

Type: System.Threading.Tasks.Task<TResult>
The new continuation task.

ExceptionCondition
ObjectDisposedException

One of the elements in the tasks array has been disposed.

ArgumentNullException

The tasks array is null.

-or-

The continuationFunction argument is null.

ArgumentOutOfRangeException

The continuationOptions argument specifies an invalid TaskContinuationOptions value.

ArgumentException

The tasks array contains a null value.

-or-

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

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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