TaskFactory<TResult>.ContinueWhenAll Method

Definition

Namespace:

System.Threading.Tasks

Assembly:

System.Runtime.dll

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

Overloads

ContinueWhenAll(Task[], Func<Task[],TResult>, CancellationToken, TaskContinuationOptions, TaskScheduler)	Creates a continuation task that will be started upon the completion of a set of provided Tasks.
ContinueWhenAll(Task[], Func<Task[],TResult>, TaskContinuationOptions)	Creates a continuation task that will be started upon the completion of a set of provided Tasks.
ContinueWhenAll(Task[], Func<Task[],TResult>)	Creates a continuation task that will be started upon the completion of a set of provided tasks.
ContinueWhenAll(Task[], Func<Task[],TResult>, CancellationToken)	Creates a continuation task that will be started upon the completion of a set of provided tasks.
ContinueWhenAll<TAntecedentResult>(Task<TAntecedentResult>[], Func<Task<TAntecedentResult>[],TResult>)	Creates a continuation task that will be started upon the completion of a set of provided tasks.
ContinueWhenAll<TAntecedentResult>(Task<TAntecedentResult>[], Func<Task<TAntecedentResult>[],TResult>, CancellationToken)	Creates a continuation task that will be started upon the completion of a set of provided tasks.
ContinueWhenAll<TAntecedentResult>(Task<TAntecedentResult>[], Func<Task<TAntecedentResult>[],TResult>, TaskContinuationOptions)	Creates a continuation task that will be started upon the completion of a set of provided tasks.
ContinueWhenAll<TAntecedentResult>(Task<TAntecedentResult>[], Func<Task<TAntecedentResult>[],TResult>, CancellationToken, TaskContinuationOptions, TaskScheduler)	Creates a continuation task that will be started upon the completion of a set of provided tasks.

ContinueWhenAll(Task[], Func<Task[],TResult>, CancellationToken, TaskContinuationOptions, TaskScheduler)

Source:

FutureFactory.cs

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

public:
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task ^> ^, TResult> ^ continuationFunction, System::Threading::CancellationToken cancellationToken, System::Threading::Tasks::TaskContinuationOptions continuationOptions, System::Threading::Tasks::TaskScheduler ^ scheduler);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll (System.Threading.Tasks.Task[] tasks, Func<System.Threading.Tasks.Task[],TResult> continuationFunction, System.Threading.CancellationToken cancellationToken, System.Threading.Tasks.TaskContinuationOptions continuationOptions, System.Threading.Tasks.TaskScheduler scheduler);

member this.ContinueWhenAll : System.Threading.Tasks.Task[] * Func<System.Threading.Tasks.Task[], 'Result> * System.Threading.CancellationToken * System.Threading.Tasks.TaskContinuationOptions * System.Threading.Tasks.TaskScheduler -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll (tasks As Task(), continuationFunction As Func(Of Task(), TResult), cancellationToken As CancellationToken, continuationOptions As TaskContinuationOptions, scheduler As TaskScheduler) As Task(Of TResult)

Parameters

tasks

Task[]

The array of tasks from which to continue.

continuationFunction

Func<Task[],TResult>

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

cancellationToken

CancellationToken

The cancellation token that will be assigned to the new continuation task.

continuationOptions

TaskContinuationOptions

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

scheduler

TaskScheduler

The scheduler that is used to schedule the created continuation task.

Returns

Task<TResult>

The new continuation task.

Exceptions

ArgumentNullException

The tasks array is null.

-or-

The continuationFunction argument is null.

-or-

The scheduler argument is null.

ArgumentException

The tasks array contains a null value or is empty.

ArgumentOutOfRangeException

continuationOptions specifies an invalid value.

ObjectDisposedException

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

-or-

The CancellationTokenSource that created cancellationToken has already been disposed.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation

ContinueWhenAll(Task[], Func<Task[],TResult>, TaskContinuationOptions)

Source:

FutureFactory.cs

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

public:
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task ^> ^, TResult> ^ continuationFunction, System::Threading::Tasks::TaskContinuationOptions continuationOptions);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll (System.Threading.Tasks.Task[] tasks, Func<System.Threading.Tasks.Task[],TResult> continuationFunction, System.Threading.Tasks.TaskContinuationOptions continuationOptions);

member this.ContinueWhenAll : System.Threading.Tasks.Task[] * Func<System.Threading.Tasks.Task[], 'Result> * System.Threading.Tasks.TaskContinuationOptions -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll (tasks As Task(), continuationFunction As Func(Of Task(), TResult), continuationOptions As TaskContinuationOptions) As Task(Of TResult)

Parameters

tasks

Task[]

The array of tasks from which to continue.

continuationFunction

Func<Task[],TResult>

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

continuationOptions

TaskContinuationOptions

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

Returns

Task<TResult>

The new continuation task.

Exceptions

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.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation

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

Source:

FutureFactory.cs

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

public:
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task ^> ^, TResult> ^ continuationFunction);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll (System.Threading.Tasks.Task[] tasks, Func<System.Threading.Tasks.Task[],TResult> continuationFunction);

member this.ContinueWhenAll : System.Threading.Tasks.Task[] * Func<System.Threading.Tasks.Task[], 'Result> -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll (tasks As Task(), continuationFunction As Func(Of Task(), TResult)) As Task(Of TResult)

Parameters

tasks

Task[]

The array of tasks from which to continue.

continuationFunction

Func<Task[],TResult>

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

Returns

Task<TResult>

The new continuation task.

Exceptions

ObjectDisposedException

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

ArgumentNullException

tasks array is null.

-or-

The continuationFunction is null.

ArgumentException

The tasks array contains a null value or is empty.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation

ContinueWhenAll(Task[], Func<Task[],TResult>, CancellationToken)

Source:

FutureFactory.cs

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

public:
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task ^> ^, TResult> ^ continuationFunction, System::Threading::CancellationToken cancellationToken);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll (System.Threading.Tasks.Task[] tasks, Func<System.Threading.Tasks.Task[],TResult> continuationFunction, System.Threading.CancellationToken cancellationToken);

member this.ContinueWhenAll : System.Threading.Tasks.Task[] * Func<System.Threading.Tasks.Task[], 'Result> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll (tasks As Task(), continuationFunction As Func(Of Task(), TResult), cancellationToken As CancellationToken) As Task(Of TResult)

Parameters

tasks

Task[]

The array of tasks from which to continue.

continuationFunction

Func<Task[],TResult>

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

cancellationToken

CancellationToken

The cancellation token that will be assigned to the new continuation task.

Returns

Task<TResult>

The new continuation task.

Exceptions

ObjectDisposedException

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

-or-

The CancellationTokenSource that created cancellationToken has already been disposed.

ArgumentNullException

The tasks array is null.

-or-

continuationFunction is null.

ArgumentException

The tasks array contains a null value or is empty.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation

ContinueWhenAll<TAntecedentResult>(Task<TAntecedentResult>[], Func<Task<TAntecedentResult>[],TResult>)

Source:

FutureFactory.cs

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

public:
generic <typename TAntecedentResult>
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^, TResult> ^ continuationFunction);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll<TAntecedentResult> (System.Threading.Tasks.Task<TAntecedentResult>[] tasks, Func<System.Threading.Tasks.Task<TAntecedentResult>[],TResult> continuationFunction);

member this.ContinueWhenAll : System.Threading.Tasks.Task<'AntecedentResult>[] * Func<System.Threading.Tasks.Task<'AntecedentResult>[], 'Result> -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll(Of TAntecedentResult) (tasks As Task(Of TAntecedentResult)(), continuationFunction As Func(Of Task(Of TAntecedentResult)(), TResult)) As Task(Of TResult)

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Parameters

tasks

Task<TAntecedentResult>[]

The array of tasks from which to continue.

continuationFunction

Func<Task<TAntecedentResult>[],TResult>

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

Returns

Task<TResult>

The new continuation task.

Exceptions

ObjectDisposedException

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

ArgumentNullException

The tasks array is null.

-or-

The continuationFunction argument is null.

ArgumentException

The tasks array contains a null value or is empty.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation

ContinueWhenAll<TAntecedentResult>(Task<TAntecedentResult>[], Func<Task<TAntecedentResult>[],TResult>, CancellationToken)

Source:

FutureFactory.cs

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

public:
generic <typename TAntecedentResult>
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^, TResult> ^ continuationFunction, System::Threading::CancellationToken cancellationToken);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll<TAntecedentResult> (System.Threading.Tasks.Task<TAntecedentResult>[] tasks, Func<System.Threading.Tasks.Task<TAntecedentResult>[],TResult> continuationFunction, System.Threading.CancellationToken cancellationToken);

member this.ContinueWhenAll : System.Threading.Tasks.Task<'AntecedentResult>[] * Func<System.Threading.Tasks.Task<'AntecedentResult>[], 'Result> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll(Of TAntecedentResult) (tasks As Task(Of TAntecedentResult)(), continuationFunction As Func(Of Task(Of TAntecedentResult)(), TResult), cancellationToken As CancellationToken) As Task(Of TResult)

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Parameters

tasks

Task<TAntecedentResult>[]

The array of tasks from which to continue.

continuationFunction

Func<Task<TAntecedentResult>[],TResult>

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

cancellationToken

CancellationToken

The cancellation token that will be assigned to the new continuation task.

Returns

Task<TResult>

The new continuation task.

Exceptions

ObjectDisposedException

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

-or-

The CancellationTokenSource that created cancellationToken has already been disposed.

ArgumentNullException

The tasks array is null.

-or-

The continuationFunction argument is null.

ArgumentException

The tasks array contains a null value or is empty.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation

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

Source:

FutureFactory.cs

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

public:
generic <typename TAntecedentResult>
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^, TResult> ^ continuationFunction, System::Threading::Tasks::TaskContinuationOptions continuationOptions);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll<TAntecedentResult> (System.Threading.Tasks.Task<TAntecedentResult>[] tasks, Func<System.Threading.Tasks.Task<TAntecedentResult>[],TResult> continuationFunction, System.Threading.Tasks.TaskContinuationOptions continuationOptions);

member this.ContinueWhenAll : System.Threading.Tasks.Task<'AntecedentResult>[] * Func<System.Threading.Tasks.Task<'AntecedentResult>[], 'Result> * System.Threading.Tasks.TaskContinuationOptions -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll(Of TAntecedentResult) (tasks As Task(Of TAntecedentResult)(), continuationFunction As Func(Of Task(Of TAntecedentResult)(), TResult), continuationOptions As TaskContinuationOptions) As Task(Of TResult)

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Parameters

tasks

Task<TAntecedentResult>[]

The array of tasks from which to continue.

continuationFunction

Func<Task<TAntecedentResult>[],TResult>

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

continuationOptions

TaskContinuationOptions

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

Returns

Task<TResult>

The new continuation task.

Exceptions

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.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation

ContinueWhenAll<TAntecedentResult>(Task<TAntecedentResult>[], Func<Task<TAntecedentResult>[],TResult>, CancellationToken, TaskContinuationOptions, TaskScheduler)

Source:

FutureFactory.cs

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

public:
generic <typename TAntecedentResult>
 System::Threading::Tasks::Task<TResult> ^ ContinueWhenAll(cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^ tasks, Func<cli::array <System::Threading::Tasks::Task<TAntecedentResult> ^> ^, TResult> ^ continuationFunction, System::Threading::CancellationToken cancellationToken, System::Threading::Tasks::TaskContinuationOptions continuationOptions, System::Threading::Tasks::TaskScheduler ^ scheduler);

public System.Threading.Tasks.Task<TResult> ContinueWhenAll<TAntecedentResult> (System.Threading.Tasks.Task<TAntecedentResult>[] tasks, Func<System.Threading.Tasks.Task<TAntecedentResult>[],TResult> continuationFunction, System.Threading.CancellationToken cancellationToken, System.Threading.Tasks.TaskContinuationOptions continuationOptions, System.Threading.Tasks.TaskScheduler scheduler);

member this.ContinueWhenAll : System.Threading.Tasks.Task<'AntecedentResult>[] * Func<System.Threading.Tasks.Task<'AntecedentResult>[], 'Result> * System.Threading.CancellationToken * System.Threading.Tasks.TaskContinuationOptions * System.Threading.Tasks.TaskScheduler -> System.Threading.Tasks.Task<'Result>

Public Function ContinueWhenAll(Of TAntecedentResult) (tasks As Task(Of TAntecedentResult)(), continuationFunction As Func(Of Task(Of TAntecedentResult)(), TResult), cancellationToken As CancellationToken, continuationOptions As TaskContinuationOptions, scheduler As TaskScheduler) As Task(Of TResult)

Type Parameters

TAntecedentResult

The type of the result of the antecedent tasks.

Parameters

tasks

Task<TAntecedentResult>[]

The array of tasks from which to continue.

continuationFunction

Func<Task<TAntecedentResult>[],TResult>

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

cancellationToken

CancellationToken

The cancellation token that will be assigned to the new continuation task.

continuationOptions

TaskContinuationOptions

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

scheduler

TaskScheduler

The scheduler that is used to schedule the created continuation task.

Returns

Task<TResult>

The new continuation task.

Exceptions

ArgumentNullException

The tasks array is null.

-or-

The continuationFunction argument is null.

-or-

The scheduler argument is null.

ArgumentException

The tasks array contains a null value or is empty.

ArgumentOutOfRangeException

The continuationOptions argument specifies an invalid value.

ObjectDisposedException

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

-or-

The CancellationTokenSource that created cancellationToken has already been disposed.

Remarks

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

See also

• Task Parallel Library (TPL)
• Chaining Tasks by Using Continuation Tasks
• Task Cancellation