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Task.ContinueWith(TResult) Method (Func(Task, Object, TResult), Object, TaskScheduler)

.NET Framework 4.5

Creates a continuation that executes when the target Task completes.

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

member ContinueWith : 
        continuationFunction:Func<Task, Object, 'TResult> * 
        state:Object * 
        scheduler:TaskScheduler -> Task<'TResult> 

Type Parameters

TResult

The type of the result produced by the continuation.

Parameters

continuationFunction
Type: System.Func(Task, Object, TResult)

A function to run when the Task completes. When run, the delegate will be passed the completed task and the caller-supplied state object as arguments.

state
Type: System.Object

An object representing data to be used by the continuation function.

scheduler
Type: System.Threading.Tasks.TaskScheduler

The TaskScheduler to associate with the continuation task and to use for its execution.

Return Value

Type: System.Threading.Tasks.Task(TResult)
A new continuation Task(TResult).

ExceptionCondition
ArgumentNullException

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

ArgumentNullException

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

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.

.NET Framework

Supported in: 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

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

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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