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

Creates a continuation Task<TResult> 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<TResult> ContinueWhenAny<TResult>(
	Task[] tasks,
	Func<Task, TResult> continuationFunction
)

Type Parameters

TResult

The type of the result that is returned by the continuationFunction delegate and associated with the created Task<TResult>.

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.

Return Value

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

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 continuationFunction 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.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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