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Task<TResult>.ContinueWith Method (Action<Task<TResult>>, TaskContinuationOptions)

Creates a continuation that executes according the condition specified in continuationOptions.

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

public Task ContinueWith(
	Action<Task<TResult>> continuationAction,
	TaskContinuationOptions continuationOptions
)

Parameters

continuationAction
Type: System.Action<Task<TResult>>

An action to according the condition specified in continuationOptions. When run, the delegate will be passed the completed task as an argument.

continuationOptions
Type: System.Threading.Tasks.TaskContinuationOptions

Options for when the continuation is scheduled and how it behaves. This includes criteria, such as OnlyOnCanceled, as well as execution options, such as ExecuteSynchronously.

Return Value

Type: System.Threading.Tasks.Task
A new continuation Task.

ExceptionCondition
ObjectDisposedException

The Task<TResult> has been disposed.

ArgumentNullException

The continuationAction argument is null.

ArgumentOutOfRangeException

The continuationOptions argument specifies an invalid value for TaskContinuationOptions.

The returned Task will not be scheduled for execution until the current task has completed. If the continuation criteria specified through the continuationOptions parameter are not met, the continuation task will be canceled instead of scheduled.

For more information, see Chaining Tasks by Using Continuation Tasks.

.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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