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Dispatcher.InvokeAsync<TResult> Method (Func<TResult>, DispatcherPriority, CancellationToken)

.NET Framework 4.5

Executes the specified Func<TResult> synchronously at the specified priority on the thread the Dispatcher is associated with.

Namespace:  System.Windows.Threading
Assembly:  WindowsBase (in WindowsBase.dll)
public DispatcherOperation<TResult> InvokeAsync<TResult>(
	Func<TResult> callback,
	DispatcherPriority priority,
	CancellationToken cancellationToken
)

Type Parameters

TResult

The return value type of the specified delegate.

Parameters

callback
Type: System.Func<TResult>

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 operation.

Return Value

Type: System.Windows.Threading.DispatcherOperation<TResult>
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: 4.5.1, 4.5

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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