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TaskFactory.ContinueWhenAll Method (Task[], Action(Task[]), CancellationToken, TaskContinuationOptions, TaskScheduler)

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

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

member ContinueWhenAll : 
        tasks:Task[] * 
        continuationAction:Action<Task[]> * 
        cancellationToken:CancellationToken * 
        continuationOptions:TaskContinuationOptions * 
        scheduler:TaskScheduler -> Task

Parameters

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

The array of tasks from which to continue.

continuationAction
Type: System.Action(Task[])

The action delegate to execute when all tasks in the tasks array have completed.

cancellationToken
Type: System.Threading.CancellationToken

The cancellation toke to assign to the new continuation task.

continuationOptions
Type: System.Threading.Tasks.TaskContinuationOptions

A bitwise combination of the enumeration values that control the behavior of the new continuation task.

scheduler
Type: System.Threading.Tasks.TaskScheduler

The object that is used to schedule the new continuation task.

Return Value

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

ExceptionCondition
ArgumentNullException

The tasks array is a null reference (Nothing in Visual Basic).

-or-

The continuationAction argument is a null reference (Nothing in Visual Basic).

-or-

The scheduler argument is a null reference (Nothing in Visual Basic).

ArgumentException

The tasks array is empty or contains a null value.

.NET Framework

Supported in: 4.5.2, 4.5.1, 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

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

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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