using System.Diagnostics;  using System.IO;  

namespace StartStopProcess  {  public partial class Form1 : Form      {  int fileIndex;  string fileName = "notepad.exe";          Process process1 = new Process();  public Form1()          {              InitializeComponent();          }  

private void LoadProcessToControl()          {              lvw_Process.Items.Clear();              Process[] processes = Process.GetProcessesByName(Path.GetFileNameWithoutExtension(fileName));  foreach (Process p in processes)              {                  ListViewItem item = new ListViewItem(  new string[]{                      p.Id.ToString(),                      p.ProcessName,  string.Format("{0}KB",p.WorkingSet64 / 1024f),  string.Format("{0}",p.StartTime),                  p.MainModule.FileName              });                  lvw_Process.Items.Add(item);              }          }  

private void Form1_Load(object sender, EventArgs e)          {              LoadProcessToControl();          }  

private void btn_StartProcess_Click(object sender, EventArgs e)          {  string argument = Application.StartupPath + "\\myfile" + fileIndex + ".txt";  if (!File.Exists(argument))              {                  File.CreateText(argument);              }              ProcessStartInfo ps = new ProcessStartInfo(fileName, argument);              ps.WindowStyle = ProcessWindowStyle.Normal;              fileIndex++;              Process p = new Process();              p.StartInfo = ps;              p.Start();  //等待启动完成，否则获取进程信息可能会失败              p.WaitForInputIdle();              LoadProcessToControl();          }  

private void btn_StopProcess_Click(object sender, EventArgs e)          {  this.Cursor = Cursors.WaitCursor;              Process[] myprocesses = Process.GetProcessesByName(Path.GetFileNameWithoutExtension(fileName));  foreach (Process p in myprocesses)              {                  p.CloseMainWindow();                  p.WaitForExit(5000);    //设置最多等待5秒（处理类似用于需要用户确定关闭的对话框未关闭的情况）                  p.Close();              }              fileIndex = 0;              LoadProcessToControl();  this.Cursor = Cursors.Default;          }  

    }  }