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AsyncTaskMethodBuilder(TResult).Start(TStateMachine) Method

.NET Framework 4.5

Begins running the builder with the associated state machine.

Namespace:  System.Runtime.CompilerServices
Assembly:  mscorlib (in mscorlib.dll)

member Start : 
        stateMachine:'TStateMachine byref -> unit   when 'TStateMachine : IAsyncStateMachine

Type Parameters


The type of the state machine.


Type: TStateMachine

The state machine instance, passed by reference.


stateMachine is a null reference (Nothing in Visual Basic).

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

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

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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