Dispatcher.InvokeAsync Method (Action, DispatcherPriority, CancellationToken)

.NET Framework 4.5

Executes the specified Action asynchronously at the specified priority on the thread the Dispatcher is associated with.

Namespace:  System.Windows.Threading
Assembly:  WindowsBase (in WindowsBase.dll)

'Declaration
Public Function InvokeAsync ( _
	callback As Action, _
	priority As DispatcherPriority, _
	cancellationToken As CancellationToken _
) As DispatcherOperation

Parameters

callback
Type: System.Action

A delegate to invoke through the dispatcher.

priority
Type: System.Windows.Threading.DispatcherPriority

The priority that determines in what order the specified callback is invoked relative to the other pending operations in the Dispatcher.

cancellationToken
Type: System.Threading.CancellationToken

An object that indicates whether to cancel the action.

Return Value

Type: System.Windows.Threading.DispatcherOperation
An object, which is returned immediately after InvokeAsync is called, that can be used to interact with the delegate as it is pending execution in the event queue.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

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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