ContinueWhenAny Method (Task[], Action(Task), TaskContinuationOptions)

Task Parallel System.Threading

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

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

Syntax

Visual Basic (Declaration)
Public Function ContinueWhenAny ( _ tasks As Task(), _ continuationAction As Action(Of Task), _ continuationOptions As TaskContinuationOptions _ ) As Task

C#
public Task ContinueWhenAny( Task[] tasks, Action<Task> continuationAction, TaskContinuationOptions continuationOptions )

Parameters

tasks: Type: array< System.Threading.Tasks..::.Task >[]()[]
The array of tasks from which to continue when one task completes.

continuationAction: Type: System..::.Action<(Of <(Task>)>)
The action delegate to execute when one task in the tasks array completes.

continuationOptions: Type: System.Threading.Tasks..::.TaskContinuationOptions
The TaskContinuationOptions value that controls the behavior of the created continuation Task.

Return Value

The new continuation Task.

Remarks

The NotOn* and OnlyOn* TaskContinuationOptions, which constrain for which TaskStatus states a continuation will be executed, are illegal with ContinueWhenAny.

Exceptions

Exception	Condition
System..::.ArgumentNullException	The exception that is thrown when the tasks array is null.
System..::.ArgumentNullException	The exception that is thrown when the continuationAction argument is null.
System..::.ArgumentException	The exception that is thrown when the tasks array contains a null value.
System..::.ArgumentException	The exception that is thrown when the tasks array is empty.
System..::.ArgumentOutOfRangeException	The exception that is thrown when the continuationOptions argument specifies an invalid TaskContinuationOptions value.
System..::.ObjectDisposedException	The exception that is thrown when one of the elements in the tasks array has been disposed.