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AsyncTaskMethodBuilder(TResult) Structure

.NET Framework 4.5

Represents a builder for asynchronous methods that returns a task and provides a parameter for the result.

Namespace:  System.Runtime.CompilerServices
Assembly:  mscorlib (in mscorlib.dll)
[<Sealed>]
[<HostProtectionAttribute(SecurityAction.LinkDemand, Synchronization = true, 
    ExternalThreading = true)>]
type AsyncTaskMethodBuilder<'TResult> =  struct end

Type Parameters

TResult

The result to use to complete the task.

The AsyncTaskMethodBuilder(TResult) type exposes the following members.

  NameDescription
Public propertySupported in .NET for Windows Store appsTaskGets the task for this builder.
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  NameDescription
Public methodSupported in .NET for Windows Store appsAwaitOnCompleted(TAwaiter, TStateMachine)Schedules the state machine to proceed to the next action when the specified awaiter completes.
Public methodSupported in .NET for Windows Store appsAwaitUnsafeOnCompleted(TAwaiter, TStateMachine)Schedules the state machine to proceed to the next action when the specified awaiter completes. This method can be called from partially trusted code.
Public methodStatic memberSupported in .NET for Windows Store appsCreateCreates an instance of the AsyncTaskMethodBuilder(TResult) class.
Public methodSupported in .NET for Windows Store appsEqualsIndicates whether this instance and a specified object are equal. (Inherited from ValueType.)
Public methodSupported in .NET for Windows Store appsGetHashCodeReturns the hash code for this instance. (Inherited from ValueType.)
Public methodSupported in .NET for Windows Store appsGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodSupported in .NET for Windows Store appsSetExceptionMarks the task as failed and binds the specified exception to the task.
Public methodSupported in .NET for Windows Store appsSetResultMarks the task as successfully completed.
Public methodSupported in .NET for Windows Store appsSetStateMachineAssociates the builder with the specified state machine.
Public methodSupported in .NET for Windows Store appsStart(TStateMachine)Begins running the builder with the associated state machine.
Public methodSupported in .NET for Windows Store appsToStringReturns the fully qualified type name of this instance. (Inherited from ValueType.)
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This type and its members are intended for use by the compiler.

NoteNote

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: Synchronization | ExternalThreading. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

.NET Framework

Supported in: 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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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