Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
ContinueWith(TResult) Method (Func(Task, TResult))
Collapse the table of content
Expand the table of content

Task::ContinueWith<TResult> Method (Func<Task, TResult>)

Creates a continuation that executes asynchronously when the target Task<TResult> completes and returns a value.

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

public:
generic<typename TResult>
Task<TResult>^ ContinueWith(
	Func<Task^, TResult>^ continuationFunction
)

Type Parameters

TResult

The type of the result produced by the continuation.

Parameters

continuationFunction
Type: System::Func<Task, TResult>

A function to run when the Task<TResult> completes. When run, the delegate will be passed the completed task as an argument.

Return Value

Type: System.Threading.Tasks::Task<TResult>
A new continuation task.

ExceptionCondition
ObjectDisposedException

The Task has been disposed.

ArgumentNullException

The continuationFunction argument is null.

The returned Task<TResult> will not be scheduled for execution until the current task has completed, whether it completes due to running to completion successfully, faulting due to an unhandled exception, or exiting out early due to being canceled.

The following example shows how to use the ContinueWith method:

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
Show:
© 2015 Microsoft