TaskFactory<TResult>::ContinueWhenAll Method (array<Task^>^, Func<array<Task^>^, TResult>^, CancellationToken, TaskContinuationOptions, TaskScheduler^)
Creates a continuation task that will be started upon the completion of a set of provided Tasks.
Assembly: mscorlib (in mscorlib.dll)
public: Task<TResult>^ ContinueWhenAll( array<Task^>^ tasks, Func<array<Task^>^, TResult>^ continuationFunction, CancellationToken cancellationToken, TaskContinuationOptions continuationOptions, TaskScheduler^ scheduler )
Parameters
- tasks
-
Type:
array<System.Threading.Tasks::Task^>^
The array of tasks from which to continue.
- continuationFunction
-
Type:
System::Func<array<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.
- continuationOptions
-
Type:
System.Threading.Tasks::TaskContinuationOptions
One of the enumeration values that controls the behavior of the created continuation task. The NotOn* or OnlyOn* values are not valid.
- scheduler
-
Type:
System.Threading.Tasks::TaskScheduler^
The scheduler that is used to schedule the created continuation task.
| Exception | Condition |
|---|---|
| ArgumentNullException | The tasks array is null. -or- The continuationFunction argument is null. -or- The scheduler argument is null. |
| ArgumentException | The tasks array contains a null value or is empty. |
| ArgumentOutOfRangeException | continuationOptions specifies an invalid value. |
| ObjectDisposedException | One of the elements in the tasks array has been disposed. -or- The CancellationTokenSource that created cancellationToken has already been disposed. |
After completion, a task is in one of these states: RanToCompletion, Faulted, or Canceled states.
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