private void Add_ParamName_Click(object sender, RoutedEventArgs e)
        {
            Button        bt        = (Button)sender;
            ParamNameItem paramItem = bt.DataContext as ParamNameItem;
            int           index     = settings.paramNameItems.IndexOf(paramItem);

            settings.addParamNameByIndex("Введите имя параметра", index + 1);
            CollectionViewSource.GetDefaultView(settings.paramNameItems).Refresh();
        }
        private void Delete_ParamName_Click(object sender, RoutedEventArgs e)
        {
            Button        bt            = (Button)sender;
            ParamNameItem paramNameItem = bt.DataContext as ParamNameItem;

            if (settings.paramNameItems.Count != 1)
            {
                settings.removeParamName(paramNameItem);
                CollectionViewSource.GetDefaultView(settings.paramNameItems).Refresh();
            }
        }