C#开启关闭一个进程

#region 方法
         /// <summary>
         /// 关闭应用程序
         /// </summary>
         /// <param name="ArrayProcessName">应用程序名之间用‘,’分开</param>
         private void CloseApp(string ArrayProcessName)
         {
             string[] processName = ArrayProcessName.Split(',');
             foreach (string appName in processName)
             {
                 Process[] localByNameApp = Process.GetProcessesByName(appName);//获取程序名的所有进程
                 if (localByNameApp.Length > 0)
                 {
                     foreach (var app in localByNameApp)
                     {
                         if (!app.HasExited)
                         {
                             app.Kill();//关闭进程
                         }
                     }
                 }
             }
         }
 
         /// <summary>
         /// 开启进程
         /// </summary>
         /// <param name="ArrayFolderPath">需要开启进程文件夹的路径，多个路径用‘,’隔开;eg:d:\test,e:\temp</param>
         private void StartApp(string ArrayFolderPath)
         {
             string[] foldersNamePath = ArrayFolderPath.Split(',');
             foreach (string folderNamePath in foldersNamePath)
             {
                 GetFolderApp(folderNamePath);
             }
         }
 
         /// <summary>
         /// 递归遍历文件夹内所有的exe文件，此方法可以进一步扩展为其它的后缀文件
         /// </summary>
         /// <param name="folderNamePath">文件夹路径</param>
         private void GetFolderApp(string folderNamePath)
         {
             string[] foldersPath = Directory.GetDirectories(folderNamePath);
             foreach (string folderPath in foldersPath)
             {
                 GetFolderApp(folderPath);
             }
 
             string[] filesPath = Directory.GetFiles(folderNamePath);
             foreach (string filePath in filesPath)
             {
                 FileInfo fileInfo = new FileInfo(filePath);
 
                 //开启后缀为exe的文件
                 if (fileInfo.Extension.Equals(".exe"))
                 {
                     Process.Start(filePath);
                 }
             }
 
         }
         #endregion