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TaskFactory.StartNew<TResult> Method (Func<Object, TResult>, Object, TaskCreationOptions)

Creates and starts a task.

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

public Task<TResult> StartNew<TResult>(
	Func<Object, TResult> function,
	Object state,
	TaskCreationOptions creationOptions
)

Type Parameters

TResult

The type of the result available through the created task.

Parameters

function
Type: System.Func<Object, TResult>
A function delegate that returns the future result to be available through the created task.
state
Type: System.Object
An object containing data to be used by the function delegate.
creationOptions
Type: System.Threading.Tasks.TaskCreationOptions
A bitwise combination of the enumeration values that control the behavior of the created task.

Return Value

Type: System.Threading.Tasks.Task<TResult>
The started task.

ExceptionCondition
ArgumentNullException

The function argument is null.

ArgumentOutOfRangeException

The creationOptions argument specifies an invalid value.

Calling StartNew is functionally equivalent to creating a task using one of its constructors and then calling Start to schedule it for execution.

However, unless creation and scheduling must be separated, StartNew is the recommended approach for both simplicity and performance.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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