TaskFactory.ContinueWhenAll Method (Task(), Action(Of 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)

Public Function ContinueWhenAll (
	tasks As Task(),
	continuationAction As Action(Of Task()),
	cancellationToken As CancellationToken,
	continuationOptions As TaskContinuationOptions,
	scheduler As TaskScheduler
) As Task

Parameters

tasks
Type: System.Threading.Tasks.Task()

The array of tasks from which to continue.

continuationAction
Type: System.Action(Of Task())

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

cancellationToken
Type: System.Threading.CancellationToken

The cancellation token 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.

Exception Condition
ArgumentNullException

The tasks array is null.

-or-

The continuationAction argument is null.

-or-

The scheduler argument is null.

ArgumentException

The tasks array is empty or contains a null value.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 5.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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