TaskFactory::ContinueWhenAll<TAntecedentResult> Method (array<Task<TAntecedentResult>^>^, Action<array<Task<TAntecedentResult>^>^>^, TaskContinuationOptions)

.NET Framework (current version)

Creates a continuation task that starts when a set of specified tasks has completed.

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

Syntax

public:
generic<typename TAntecedentResult>
Task^ ContinueWhenAll(
	array<Task<TAntecedentResult>^>^ tasks,
	Action<array<Task<TAntecedentResult>^>^>^ continuationAction,
	TaskContinuationOptions continuationOptions
)

Parameters

tasks: Type: array<System.Threading.Tasks::Task<TAntecedentResult>^>^
The array of tasks from which to continue.

continuationAction: Type: System::Action<array<Task<TAntecedentResult>^>^>^
The action delegate to execute when all tasks in the tasks array have completed.

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.

Return Value

Type: System.Threading.Tasks::Task^

The new continuation task.

Type Parameters

TAntecedentResult: The type of the result of the antecedent tasks.

Exceptions

Exception	Condition
ObjectDisposedException	An element in the tasks array has been disposed.
ArgumentNullException	The tasks array is null. -or- The continuationAction argument is null.
ArgumentOutOfRangeException	The continuationOptions argument specifies an invalid value.
ArgumentException	The tasks array is empty or contains a null value.

Universal Windows Platform
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