protected UserboxCommand GetUserboxCommand(string index)
        {
            string value;

            if (_configuration.Items.TryGetValue(FullKey(index), out value))
            {
                return(UserboxCommand.Parse(value));
            }
            return(default(UserboxCommand));
        }
 protected void Set(string index, UserboxCommand value)
 {
     Set(index, value.ToString());
 }