public static EventListeners GetEventListeners(mdr.DObject obj, string eventName)
{
Debug.Assert(obj != null, "invalid null object for adding event '{0}' listener", eventName);
var pd = obj.GetPropertyDescriptor(eventName);
Debug.Assert(pd != null, "cannot find property descriptor for event {0}", eventName);
Debug.Assert(pd.IsAccessorDescriptor && pd.IsInherited, "invalid property descriptor type {0} for event {1}", pd.GetAttributes(), eventName);
// Debug.Assert(pd.IsAccessorDescriptor, "invalid property discriptor type {0} for event {1}", pd.GetAttributes(), eventName);
var eventHandler = pd.GetProperty() as EventHandlerProperty;
Debug.Assert(eventHandler != null, "invalid event handler at index {0}", pd.Index);
var eventTarget = obj as EventTarget;
Debug.Assert(eventTarget != null, "Invalid event target object type {0}", obj.GetType().FullName);
if (eventHandler == null || eventTarget == null)
{
return(null);
}
var eventListeners = eventTarget.GetEventListeners(eventHandler.EventType, true);
return(eventListeners);
}