public void Add(object target, RoutedEventHandler handler, bool handledEventsToo)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
RouteItem item = new RouteItem(target, new RoutedEventHandlerInfo(handler, handledEventsToo));
this._routeItemList.Add(item);
}
internal void InvokeHandler(RouteItem routeItem)
{
RoutedEventHandlerInfo info = routeItem._routedEventHandlerInfo;
if (!this.Handled || info._handledEventsToo)
{
RoutedEventHandler handler = info._handler;
this._flags |= Flags.InvokingHandler;
try
{
handler(routeItem._target, this);
}
finally
{
this._flags &= ~Flags.InvokingHandler;
}
}
}
internal void InvokeHandlers(object source, RoutedEventArgs args)
{
if ((args.RoutedEvent.RoutingStrategy == RoutingStrategy.Bubble) || (args.RoutedEvent.RoutingStrategy == RoutingStrategy.Direct))
{
int num = 0;
int count = this._routeItemList.Count;
while (num < count)
{
RouteItem routeItem = (RouteItem)this._routeItemList[num];
args.InvokeHandler(routeItem);
num++;
}
}
else
{
int num4;
for (int i = this._routeItemList.Count - 1; i >= 0; i = num4)
{
object target = ((RouteItem)this._routeItemList[i]).Target;
num4 = i;
while (num4 >= 0)
{
if (((RouteItem)this._routeItemList[num4]).Target != target)
{
if ((num4 != i) || (i <= 0))
{
break;
}
i--;
}
num4--;
}
for (int j = num4 + 1; j <= i; j++)
{
RouteItem routeItem = (RouteItem)this._routeItemList[j];
args.InvokeHandler(routeItem);
}
}
}
}
public bool Equals(RouteItem routeItem)
{
return((routeItem._target == this._target) && (routeItem._routedEventHandlerInfo == this._routedEventHandlerInfo));
}