TaskFactory::ContinueWhenAll<TResult> Method (array<Task^>^, Func<array<Task^>^, TResult>^, CancellationToken, TaskContinuationOptions, TaskScheduler^)
Creates a continuation task that starts when a set of specified tasks has completed.
Assembly: mscorlib (in mscorlib.dll)
public: generic<typename TResult> 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 to assign to the new continuation task.
- continuationOptions
-
Type:
System.Threading.Tasks::TaskContinuationOptions
A bitwise combination of the enumeration values that control the behavior of the new continuation task. The NotOn* and OnlyOn* members are not supported.
- scheduler
-
Type:
System.Threading.Tasks::TaskScheduler^
The object that is used to schedule the new continuation task.
Type Parameters
- TResult
The type of the result that is returned by the continuationFunction delegate and associated with the created 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 is empty or contains a null value. |
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