TaskFactory.StartNew Method (Action(Of Object), Object, CancellationToken, TaskCreationOptions, TaskScheduler)
Creates and starts a Task.
Assemblies: mscorlib (in mscorlib.dll)
System.Threading.Tasks (in System.Threading.Tasks.dll)
'Declaration Public Function StartNew ( _ action As Action(Of Object), _ state As Object, _ cancellationToken As CancellationToken, _ creationOptions As TaskCreationOptions, _ scheduler As TaskScheduler _ ) As Task
- Type: System.Object
An object containing data to be used by the action delegate.
- Type: System.Threading.CancellationToken
The CancellationToken that will be assigned to the new task.
- Type: System.Threading.Tasks.TaskCreationOptions
A TaskCreationOptions value that controls the behavior of the created Task
The provided CancellationToken has already been disposed.
The exception that is thrown when the action argument is null.
The exception that is thrown when the scheduler argument is null.
The exception that is thrown when the creationOptions argument specifies an invalid TaskCreationOptions value. The exception that is thrown when the creationOptions argument specifies an invalid TaskCreationOptions value. For more information, see the Remarks for FromAsync
Calling StartNew is functionally equivalent to creating a Task using one of its constructors and then calling Start to schedule it for execution.
Starting with the .NET Framework 4.5, you can use the Run method with an Action object as a quick way to call StartNew with default parameters. For more information and code examples, see Task.Run vs Task.Factory.StartNew in the Parallel Programming with .NET blog.
.NET FrameworkSupported in: 4.5.3, 4
.NET Framework Client ProfileSupported in: 4
Portable Class LibrarySupported in: Portable Class Library
.NET for Windows Store appsSupported in: Windows 8
Supported in: Windows Phone 8.1
Supported in: Windows Phone Silverlight 8.1
Supported in: 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.