IApplicationLifetimeAware.Starting Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Called by an application immediately before the Application.Startup event occurs.

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


Sub Starting
void Starting()


This method enables your service to initialize any resources that are required in an application Startup event handler. This method can also access any resources initialized by other services in their IApplicationService.StartService methods, regardless of the service registration sequence.

For more information, see Application Extension Services.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.