Task.Start Method (TaskScheduler) (System.Threading.Tasks)

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.NET Framework 4.5

Other Versions

Starts the Task, scheduling it for execution to the specified TaskScheduler.

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

Syntax

C++

public void Start(
	TaskScheduler scheduler
)

Parameters

scheduler: Type: System.Threading.Tasks.TaskScheduler
The TaskScheduler with which to associate and execute this task.

Exceptions

Exception	Condition
ObjectDisposedException	The Task instance has been disposed.
ArgumentNullException	The scheduler argument is null.
InvalidOperationException	The Task is not in a valid state to be started. It may have already been started, executed, or canceled, or it may have been created in a manner that doesn't support direct scheduling.

Remarks

A task may only be started and run only once. Any attempts to schedule a task a second time will result in an exception.

Version Information

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

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.

Reference

Task Class

Start Overload

System.Threading.Tasks Namespace

Other Resources

Task Parallel Library (TPL)

Task Parallelism (Task Parallel Library)

Task Schedulers

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