Esempio n. 1
0
 internal static void AddGiveFeedbackHandler(DependencyObject element, CustomGiveFeedbackEventHandler handler, bool handledEventsToo)
 {
     if (element == null)
     {
         throw new ArgumentNullException("element");
     }
     if (handler == null)
     {
         throw new ArgumentNullException("handler");
     }
     CustomExtendedRoutedEventHandlerCollection<CustomGiveFeedbackEventHandler, CustomGiveFeedbackEventArgs> giveFeedbackHandlers = element.GetGiveFeedbackHandlers();
     CustomExtendedRoutedEventHandlerCollection<CustomGiveFeedbackEventHandler, CustomGiveFeedbackEventArgs> handlers2 = giveFeedbackHandlers ?? new CustomExtendedRoutedEventHandlerCollection<CustomGiveFeedbackEventHandler, CustomGiveFeedbackEventArgs>((h, a) => h(element, a));
     handlers2.Add(handler, handledEventsToo);
     if (handlers2 != giveFeedbackHandlers)
     {
         element.SetValue(GiveFeedbackHandlerProperty, handlers2);
     }
 }
Esempio n. 2
0
 internal static void RemoveGiveFeedbackHandler(DependencyObject element, CustomGiveFeedbackEventHandler handler)
 {
     if (element == null)
     {
         throw new ArgumentNullException("element");
     }
     if (handler == null)
     {
         throw new ArgumentNullException("handler");
     }
     CustomExtendedRoutedEventHandlerCollection<CustomGiveFeedbackEventHandler, CustomGiveFeedbackEventArgs> giveFeedbackHandlers = element.GetGiveFeedbackHandlers();
     if (giveFeedbackHandlers != null)
     {
         giveFeedbackHandlers.Remove(handler);
     }
 }
Esempio n. 3
0
        /// <summary>
        /// Adds a handler to the attached GiveFeedback event.
        /// </summary>
        /// <param name="element">The DependencyObject to attach an event handler for.</param>
        /// <param name="handler">The event handler.</param>
        /// <param name="handledEventsToo">A value Indicating whether to invoke the 
        /// handler if the event has been handled.</param>
        internal static void AddGiveFeedbackHandler(DependencyObject element, GiveFeedbackEventHandler handler, bool handledEventsToo)
        {
            if (element == null)
            {
                throw new ArgumentNullException("element");
            }
            if (handler == null)
            {
                throw new ArgumentNullException("handler");
            }

            ExtendedRoutedEventHandlerCollection<GiveFeedbackEventHandler, GiveFeedbackEventArgs> originalHandlers = element.GetGiveFeedbackHandlers();
            ExtendedRoutedEventHandlerCollection<GiveFeedbackEventHandler, GiveFeedbackEventArgs> handlers = originalHandlers ?? new ExtendedRoutedEventHandlerCollection<GiveFeedbackEventHandler, GiveFeedbackEventArgs>((h, a) => h(element, a));
            handlers.Add(handler, handledEventsToo);
            if (handlers != originalHandlers)
            {
                element.SetValue(GiveFeedbackHandlerProperty, handlers);
            }
        }