TaskFactory::ContinueWhenAll<TAntecedentResult, TResult> Method (array<Task<TAntecedentResult>>, Func<array<Task<TAntecedentResult>>, TResult>, CancellationToken)
Creates a continuation task that will be started upon the completion of a set of provided tasks.
Assembly: mscorlib (in mscorlib.dll)
public: generic<typename TAntecedentResult, typename TResult> Task<TResult>^ ContinueWhenAll( array<Task<TAntecedentResult>^>^ tasks, Func<array<Task<TAntecedentResult>^>^, TResult>^ continuationFunction, CancellationToken cancellationToken )
Type Parameters
- TAntecedentResult
The type of the result of the antecedent tasks.
- TResult
The type of the result that is returned by the continuationFunction delegate and associated with the created task.
Parameters
- tasks
- Type: array<System.Threading.Tasks::Task<TAntecedentResult>>
The array of tasks from which to continue.
- continuationFunction
- Type: System::Func<array<Task<TAntecedentResult>>, 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- The continuationFunction argument is null. |
| ArgumentException | The tasks array contains a null value. -or- The tasks array is empty. |
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.