Gets or sets the name of the event that initiates the trigger.
Public Property RoutedEvent As RoutedEvent
<EventTrigger RoutedEvent="Loaded" .../>
In XAML you specify this as a string. In code, pass the identifier (a RoutedEvent value.) The only supported value in Silverlight is Loaded/FrameworkElement.LoadedEvent.
See Remarks in EventTrigger regarding limitations on event triggers in Silverlight and which events can initiate a trigger.
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0