/// <summary>
        /// ショートカットの設置/削除
        /// </summary>
        /// <param name="parameter">設置or削除</param>
        override public void Execute(object parameter)
        {
            var IsExecute = parameter as bool? ?? false;

            if (IsExecute)
            {
                WindowsUtil.RegiserStartUp_CurrentUserRun(StartupName);
            }
            else
            {
                WindowsUtil.UnregiserStartUp_CurrentUserRun(StartupName);
            }
        }