Identifies the PreviewLostKeyboardFocus routed event.
Assembly: PresentationCore (in PresentationCore.dll)
Routed event identifiers are created when routed events are registered. These identifiers contain an identifying name, owner type, handler type, routing strategy, and utility method for adding owners for the event. You can use these identifiers to add class handlers.
is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.