TaskFactory<TResult>.ContinueWhenAll Method (Task[], Func<Task[], TResult>, CancellationToken)
Creates a continuation task that will be started upon the completion of a set of provided tasks.
Namespace: System.Threading.Tasks
Assembly: mscorlib (in mscorlib.dll)
public Task<TResult> ContinueWhenAll(
Task[] tasks,
Func<Task[], TResult> continuationFunction,
CancellationToken cancellationToken
)
Parameters
- tasks
- Type: System.Threading.Tasks.Task[]
The array of tasks from which to continue.
- continuationFunction
- Type: System.Func<Task[], TResult>
The function delegate to execute asynchronously when all tasks in the tasks array have completed.
- cancellationToken
- Type: System.Threading.CancellationToken
The cancellation token that will be assigned to the new continuation task.
| Exception | Condition |
|---|---|
| ObjectDisposedException | One of the elements in the tasks array has been disposed. -or- The CancellationTokenSource that created cancellationToken has already been disposed. |
| ArgumentNullException | The tasks array is null. -or- continuationFunction is null. |
| ArgumentException | The tasks array contains a null value or is empty. |
After completion, a task is in one of these states: RanToCompletion, Faulted, or Canceled states.
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.
