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

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

Parameters

tasks
Type: array<System.Threading.Tasks::Task^>^

The array of tasks from which to continue.

continuationAction
Type: System::Action<array<Task^>^>^

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.

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 4.5
.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
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