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TaskAwaiter Structure

.NET Framework 4.5

Provides an object that waits for the completion of an asynchronous task.

Namespace:  System.Runtime.CompilerServices
Assembly:  mscorlib (in mscorlib.dll)
[HostProtectionAttribute(SecurityAction.LinkDemand, Synchronization = true, 
	ExternalThreading = true)]
public struct TaskAwaiter : ICriticalNotifyCompletion, 
	INotifyCompletion

The TaskAwaiter type exposes the following members.

  NameDescription
Public propertySupported in .NET for Windows Store appsIsCompletedGets a value that indicates whether the asynchronous task has completed.
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  NameDescription
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 appsGetResultEnds the wait for the completion of the asynchronous task.
Public methodSupported in .NET for Windows Store appsGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodSupported in .NET for Windows Store appsOnCompletedSets the action to perform when the TaskAwaiter object stops waiting for the asynchronous task to complete.
Public methodSupported in .NET for Windows Store appsToStringReturns the fully qualified type name of this instance. (Inherited from ValueType.)
Public methodSupported in .NET for Windows Store appsUnsafeOnCompletedSchedules the continuation action for the asynchronous task that is associated with this awaiter.
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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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