FrameworkElementFactory.AddHandler Method (RoutedEvent, Delegate, Boolean)
Adds an event handler for the given routed event to the instances created by this factory, with the option of having the provided handler be invoked even in cases of routed events that had already been marked as handled by another element along the route.
Assembly: PresentationFramework (in PresentationFramework.dll)
public void AddHandler( RoutedEvent routedEvent, Delegate handler, bool handledEventsToo )
Identifier object for the routed event being handled.
A reference to the handler implementation.
Whether to invoke the handler in cases where the routed event has already been marked as handled in its arguments object. true to invoke the handler even when the routed event is marked handled; otherwise, false. The default is false. Asking to handle already-handled routed events is not common.
Available since 3.0