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

.NET Framework (current version)
 

Creates a continuation that receives caller-supplied state information and executes asynchronously when the target Task completes and returns a value.

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

C#
C++
F#
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public:
generic<typename TResult>
Task<TResult>^ ContinueWith(
	Func<Task^, Object^, TResult>^ continuationFunction,
	Object^ state
)

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.

Return Value

Type: System.Threading.Tasks::Task<TResult>^

A new continuation Task<TResult>.

Type Parameters

TResult

The type of the result produced by the continuation.

Exception Condition
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.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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