ContinueWhenAll(TResult) Method (Task[], Func(Task[], TResult))
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TaskFactory.ContinueWhenAll<TResult> Method (Task[], Func<Task[], TResult>)

 

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<TResult> ContinueWhenAll<TResult>(
	Task[] tasks,
	Func<Task[], TResult> continuationFunction
)

Parameters

tasks
Type: System.Threading.Tasks.Task[]

The array of tasks from which to continue.

continuationFunction
Type: System.Func<Task[], TResult>

The function delegate to execute asynchronously when all tasks in the tasks array have completed.

Return Value

Type: System.Threading.Tasks.Task<TResult>

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
ObjectDisposedException

An element in the tasks array has been disposed.

ArgumentNullException

The tasks array is null.

-or-

The continuationFunction argument is null.

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
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