/// <summary>
/// Handles changes to the Event property.
/// </summary>
private static void OnEventChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
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
if (e.NewValue != null)
{
binding.BindEvent(d, e.NewValue.ToString());
}
}