You can also associate an event handler in XAML. In the XAML editor, type in the event name that you want to handle. Visual Studio shows an IntelliSense window when you begin typing. After you specify the event, you can double-click in the IntelliSense window to create a new event handler with the default name, or select an existing event handler from the list.
Here's the IntelliSense window that appears. It helps you create a new event handler or select an existing event handler.