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TaskFactory.ContinueWhenAll(TAntecedentResult) Method (Task(TAntecedentResult)[], Action(Task(TAntecedentResult)[]), TaskContinuationOptions)

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

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

member ContinueWhenAll : 
        tasks:Task<'TAntecedentResult>[] * 
        continuationAction:Action<Task<'TAntecedentResult>[]> * 
        continuationOptions:TaskContinuationOptions -> Task

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Parameters

tasks
Type: System.Threading.Tasks.Task(TAntecedentResult)[]

The array of tasks from which to continue.

continuationAction
Type: System.Action(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.

ExceptionCondition
ObjectDisposedException

An element in the tasks array has been disposed.

ArgumentNullException

The tasks array is a null reference (Nothing in Visual Basic).

-or-

The continuationAction argument is a null reference (Nothing in Visual Basic).

ArgumentOutOfRangeException

The continuationOptions argument specifies an invalid value.

ArgumentException

The tasks array is empty or contains a null value.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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