/// <summary>
 /// 校验广播到本地的列控命令
 /// </summary>
 /// <param name="cmd"></param>
 private void CheckSpeedCmd(MsgSpeedCommand cmd)
 {
     // 非此命令编辑用户才能校验
     if (cmd.User != ConfigurationManager.ConnectionStrings["User"].ConnectionString)
     {
         NewSpeedWindow window = new NewSpeedWindow(eventAggregator, cmd, true);
         window.Show();
     }
 }
        /// <summary>
        /// 新建列控命令窗口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void CreateCommand(object sender, RoutedEventArgs e)
        {
            NewSpeedWindow window = new NewSpeedWindow(eventAggregator, null);

            window.ShowDialog();
        }