C# 启动、关闭 Process

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using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text;   namespace AutoUpdate.Helper {     public class ProcessHelper     {         private static ProcessHelper instance;         public static ProcessHelper Instance         {             get             {                 if (instance == null) instance = new ProcessHelper();                 return ProcessHelper.instance;             }         }           /// <summary>         /// 关闭进程         /// </summary>         /// <param name="processName">进程名</param>         public void KillProcessByName(string processName)         {             try             {                 Process[] myproc = Process.GetProcesses();                 foreach (Process item in myproc)                 {                     if (item.ProcessName == processName)                     {                         item.CloseMainWindow();                         item.Kill();                     }                 }             }             catch { return; }         }           /// <summary>         /// 启动进程         /// </summary>         /// <param name="processName">进程名,完全限定名</param>         public void StartProcessByName(string processName)         {             System.Diagnostics.Process.Start(processName);             //Process process = new Process();//声明一个进程类对象             //process.StartInfo.FileName = processName;//Application.StartupPath + "\\AutoUpdate.exe";             //process.Start();         }       } }

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//初始路径 + 自动更新程序名称 + 主程序名称             string param = fullPath + ","                 + "AutoUpdate\\AutoUpdate.exe," //自动更新程序                 + "Debug\\AutoUpdateApp.exe,"//主程序                 + "Debug";//下载包               //AutoUpdate             Process p = new Process();//声明一个进程类对象             p.StartInfo.FileName = fullPath + "AutoUpdate\\AutoUpdate.exe";             p.StartInfo.UseShellExecute = true;             p.StartInfo.Arguments = param;//第一个参数为需要下载的压缩文件，第二个为需要启动的程序             p.Start();   注：被启动的应用使用方式如下所示：  /// <summary>         /// 应用程序的主入口点。         /// </summary>         [STAThread]         static void Main(string[] args)         {             Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);             //处理UI线程异常              Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);             //处理非UI线程异常              AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);             //MessageBox.Show("参数==" + args[0]);             InitVariable(args);               Application.EnableVisualStyles();             Application.SetCompatibleTextRenderingDefault(false);             Application.Run(new MainForm());         }         private static void InitVariable(string[] args)         {             //VariableHelper.Instance.UpdateExeDir = ConfigurationManager.AppSettings["UpdateExeDir"];             string[] param = args[0].Split(',');             VarHelper.Instance.InitPath = param[0];             VarHelper.Instance.AutoUpdateExe = param[1];             VarHelper.Instance.MainExe = param[2];             VarHelper.Instance.DownDir = param[3];         }