WaitAll Method (Task[], CancellationToken)

Waits for all of the provided Task objects to complete execution.

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

Syntax

Visual Basic (Declaration)
Public Shared Sub WaitAll ( _ tasks As Task(), _ cancellationToken As CancellationToken _ )

C#
public static void WaitAll( Task[] tasks, CancellationToken cancellationToken )

tasks: Type: array< System.Threading.Tasks..::.Task >[]()[]
An array of Task instances on which to wait.

cancellationToken: Type: System.Threading..::.CancellationToken
A CancellationToken()()() to observe while waiting for the tasks to complete.

true if all of the Task instances completed execution within the allotted time; otherwise, false.

Exception	Condition
System..::.ArgumentNullException	The tasks argument is null.
System..::.ArgumentException	The tasks argument contains a null element.
System..::.AggregateException	At least one of the Task instances was canceled -or- an exception was thrown during the execution of at least one of the Task instances.
System..::.OperationCanceledException	The cancellationToken was canceled.
System..::.ObjectDisposedException	The Task has been disposed.