/// <summary>
/// Re-raises an event with as a different RoutedEvent.
/// </summary>
/// <remarks>
/// Only used internally. Added to support cracking generic MouseButtonDown/Up events
/// into MouseLeft/RightButtonDown/Up events.
/// </remarks>
/// <param name="args">
/// RoutedEventsArgs to re-raise with a new RoutedEvent
/// </param>
/// <param name="newEvent">
/// The new RoutedEvent to be associated with the RoutedEventArgs
/// </param>
private static void ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
{
// Preseve and change the RoutedEvent
RoutedEvent preservedRoutedEvent = args.RoutedEvent;
args.OverrideRoutedEvent( newEvent );
// Preserve Source
object preservedSource = args.Source;
EventRoute route = EventRouteFactory.FetchObject(args.RoutedEvent);
if( TraceRoutedEvent.IsEnabled )
{
TraceRoutedEvent.Trace(
TraceEventType.Start,
TraceRoutedEvent.ReRaiseEventAs,
args.RoutedEvent,
sender,
args,
args.Handled );
}
try
{
// Build the route and invoke the handlers
UIElement.BuildRouteHelper(sender, route, args);
route.ReInvokeHandlers(sender, args);
// Restore Source
args.OverrideSource(preservedSource);
// Restore RoutedEvent
args.OverrideRoutedEvent(preservedRoutedEvent);
}
finally
{
if( TraceRoutedEvent.IsEnabled )
{
TraceRoutedEvent.Trace(
TraceEventType.Stop,
TraceRoutedEvent.ReRaiseEventAs,
args.RoutedEvent,
sender,
args,
args.Handled );
}
}
// Recycle the route object
EventRouteFactory.RecycleObject(route);
}