Exemplo n.º 1
0
        /// <summary>
        /// Finds a specific <see cref="RoutedEvent"/> identifier for a specific object type.
        /// </summary>
        /// <param name="ownerType">The type to start search with. Base types are included. Must not be null.</param>
        /// <param name="eventName">Name of the event. Must not be null or empty.</param>
        /// <param name="checkBaseTypes"><c>true</c> if all base types up to <see cref="UIElement"/> should be checked as well; <c>false</c> if only <param name="ownerType"/> should be checked</param>
        /// <returns>The routed event identifier or <c>null</c> if not found.</returns>
        public static RoutedEvent GetRoutedEventForOwner(Type ownerType, string eventName, bool checkBaseTypes)
        {
            if (ownerType == null)
            {
                throw new ArgumentNullException("ownerType");
            }
            if (eventName == null)
            {
                throw new ArgumentNullException("eventName");
            }
            if (String.IsNullOrEmpty(eventName))
            {
                throw new ArgumentException(@"Event name must not be an empty string", "eventName");
            }

            do
            {
                foreach (var routedEvent in GlobalEventManager.GetRoutedEventsForOwner(ownerType))
                {
                    if (routedEvent.Name.Equals(eventName))
                    {
                        return(routedEvent);
                    }
                }
                if (ownerType == typeof(UIElement))
                {
                    break;
                }
                // ReSharper disable once PossibleNullReferenceException
                ownerType = ownerType.BaseType;
                // ReSharper disable once LoopVariableIsNeverChangedInsideLoop
            } while (checkBaseTypes);
            return(null);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Finds all <see cref="RoutedEvent"/> identifiers owned by a specified object type.
        /// </summary>
        /// <param name="ownerType">The type to start search with. Base types are included. Must not be null.</param>
        /// <returns></returns>
        public static RoutedEvent[] GetRoutedEventsForOwner(Type ownerType)
        {
            if (ownerType == null)
            {
                throw new ArgumentNullException("ownerType");
            }

            return(GlobalEventManager.GetRoutedEventsForOwner(ownerType));
        }