Ejemplo n.º 1
0
        /// <summary>
        /// Handles changes to the Event property.
        /// </summary>
        private static void OnEventChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (e.NewValue == null)
            {
                return;
            }
            var eventName = (string)e.NewValue;

            if (string.IsNullOrEmpty(eventName))
            {
                return;
            }

            CommandBehaviorBinding binding = FetchOrCreateBinding(d);

            //check if the Event is set. If yes we need to rebind the Command to the new event and unregister the old one
            if (binding.Event != null && binding.Owner != null)
            {
                binding.Dispose();
            }
            //bind the new event to the command
            binding.BindEvent(d, eventName);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Handles changes to the Command property.
        /// </summary>
        private static void OnCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            CommandBehaviorBinding binding = FetchOrCreateBinding(d);

            binding.Command = (ICommand)e.NewValue;
        }
Ejemplo n.º 3
0
 /// <summary>
 /// Sets the Behavior property.
 /// </summary>
 private static void SetBehavior(DependencyObject d, CommandBehaviorBinding value)
 {
     d.SetValue(BehaviorProperty, value);
 }
Ejemplo n.º 4
0
        /// <summary>
        /// Handles changes to the Action property.
        /// </summary>
        private static void OnActionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            CommandBehaviorBinding binding = FetchOrCreateBinding(d);

            binding.Action = (Action <object>)e.NewValue;
        }