Windows apps
Collapse the table of content
Expand the table of content
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

DispatcherExtensions.BeginInvoke Method (Dispatcher, Action)


The .NET API Reference documentation has a new home. Visit the .NET API Browser on to see the new experience.

Executes the specified delegate asynchronously with normal priority on the thread that the specified Dispatcher was created on.

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

public static DispatcherOperation BeginInvoke(
	this Dispatcher dispatcher,
	Action action


Type: System.Windows.Threading.Dispatcher

The dispatcher that executes the delegate.

Type: System.Action

The delegate to execute, which takes no arguments and does not return a value.

Return Value

Type: System.Windows.Threading.DispatcherOperation

An IAsyncResult object that represents the result of the BeginInvoke operation.

Exception Condition

action is null.

.NET Framework
Available since 3.5
Return to top
© 2018 Microsoft