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

 

Creates a continuation task that will be started upon the completion of a set of provided tasks.

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

public Task<TResult> ContinueWhenAll<TAntecedentResult>(
	Task<TAntecedentResult>[] tasks,
	Func<Task<TAntecedentResult>[], TResult> continuationFunction,
	TaskContinuationOptions continuationOptions
)

Parameters

tasks
Type: System.Threading.Tasks.Task<TAntecedentResult>[]

The array of tasks from which to continue.

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

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

continuationOptions
Type: System.Threading.Tasks.TaskContinuationOptions

One of the enumeration values that controls the behavior of the created continuation task. The NotOn* or OnlyOn* values are not valid.

Return Value

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

The new continuation task.

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Exception Condition
ObjectDisposedException

One of the elements in the tasks array has been disposed.

ArgumentNullException

The tasks array is null.

-or-

The continuationFunction argument is null.

ArgumentOutOfRangeException

The continuationOptions argument specifies an invalid value.

ArgumentException

The tasks array contains a null value or is empty.

After completion, a task is in one of these states: RanToCompletion, Faulted, or Canceled states.

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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