ContinueWhenAll(TAntecedentResult) Method (Task(TAntecedentResult)[], Action(Task(TAntecedentResult)[]))

Task Parallel System.Threading

Creates a continuation Task that will be started upon the completion of a set of provided Tasks.

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

Syntax

Visual Basic (Declaration)
Public Function ContinueWhenAll(Of TAntecedentResult) ( _
	tasks As Task(Of TAntecedentResult)(), _
	continuationAction As Action(Of Task(Of TAntecedentResult)()) _
) As Task
C#
public Task ContinueWhenAll<TAntecedentResult>(
	Task<TAntecedentResult>[] tasks,
	Action<Task<TAntecedentResult>[]> continuationAction
)

Parameters

tasks
Type: array< System.Threading.Tasks..::.Task<(Of <(TAntecedentResult>)>) >[]()[]
The array of tasks from which to continue.
continuationAction
Type: System..::.Action<(Of <(array< Task<(Of <(TAntecedentResult>)>) >[]()[]>)>)
The action delegate to execute when all tasks in the tasks array have completed.

Type Parameters

TAntecedentResult
The type of the result of the antecedent tasks.

Return Value

The new continuation Task.

Exceptions

ExceptionCondition
System..::.ArgumentNullExceptionThe exception that is thrown when the tasks array is null.
System..::.ArgumentNullExceptionThe exception that is thrown when the continuationAction argument is null.
System..::.ArgumentExceptionThe exception that is thrown when the tasks array contains a null value.
System..::.ArgumentExceptionThe exception that is thrown when the tasks array is empty.
System..::.ObjectDisposedExceptionThe exception that is thrown when one of the elements in the tasks array has been disposed.

See Also