Пример #1
0
        /// <summary>
        ///     Executes the command on the given command source.
        /// </summary>
        internal static void CriticalExecuteCommandSource(ICommandSource commandSource, bool userInitiated)
        {
            ICommand command = commandSource.Command;
            if (command != null)
            {
                object parameter = commandSource.CommandParameter;
                IInputElement target = commandSource.CommandTarget;

                RoutedCommand routed = command as RoutedCommand;
                if (routed != null)
                {
                    if (target == null)
                    {
                        target = commandSource as IInputElement;
                    }
                    if (routed.CanExecute(parameter, target))
                    {
                        routed.ExecuteCore(parameter, target, userInitiated);
                    }
                }
                else if (command.CanExecute(parameter))
                {
                    command.Execute(parameter);
                }
            }
        }