void NewEntityRequestEventExecute(NewEntityRequestContainer Paramaters) { OrganizationTreeItemViewModel Source = Paramaters.EventSource; IRTreeMember <IEntity> NewItem; NewItem = EP.AddEntity(Paramaters.EntityType); EP.AddChild(Source.Target, NewItem); Source.RebuildChildren(); Source.IsExpanded = true; EA.GetEvent <SelectedEntityChangedEvent>().Publish(NewItem); }