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

.NET Framework 4.6 and 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 TResult Invoke<TResult>(
	Func<TResult> callback,
	DispatcherPriority priority,
	CancellationToken cancellationToken,
	TimeSpan timeout
)

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.

timeout
Type: System.TimeSpan

The minimum amount of time to wait for the operation to start.

Return Value

Type: TResult

The value returned by callback.

.NET Framework

Supported in: 4.6, 4.5
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