using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
//引用命名空間
using System.Diagnostics;
using System.Threading;
namespace StartStopProcess
{
  public partial class Form1 : Form
  {
    int fileIndex;
    string fileName = "Notepad.exe";
    Process process1 = new Process();
    public Form1()
    {
      InitializeComponent();
      //以詳細列表方式顯示
      listView1.View = View.Details;
      //參數(shù)含義：列名稱，寬度（像素），水平對齊方式
      listView1.Columns.Add("進程ID", 70, HorizontalAlignment.Left);
      listView1.Columns.Add("進程名稱", 70, HorizontalAlignment.Left);
      listView1.Columns.Add("占用內(nèi)存", 70, HorizontalAlignment.Left);
      listView1.Columns.Add("啟動時間", 70, HorizontalAlignment.Left);
      listView1.Columns.Add("文件名", 280, HorizontalAlignment.Left);
    }
    private void buttonStart_Click(object sender, EventArgs e)
    {
      string argument = Application.StartupPath + "\\myfile" + fileIndex + ".txt";
      if (File.Exists(argument)==false)
      {
        File.CreateText(argument);
      }
      //設置要啟動的應用程序名稱及參數(shù)
      ProcessStartInfo ps = new ProcessStartInfo(fileName, argument);
      ps.WindowStyle = ProcessWindowStyle.Normal;
      fileIndex++;
      Process p = new Process();
      p.StartInfo = ps;
      p.Start();
      //等待啟動完成，否則獲取進程信息可能會失敗
      p.WaitForInputIdle();
      RefreshListView();
    }
    private void buttonStop_Click(object sender, EventArgs e)
    {
      this.Cursor = Cursors.WaitCursor;
      //創(chuàng)建新的Process組件的數(shù)組,并將它們與指定的進程名稱（Notepad）的所有進程資源相關聯(lián).
      Process[] myprocesses;
      myprocesses = Process.GetProcessesByName(Path.GetFileNameWithoutExtension(fileName));
      foreach (Process p in myprocesses)
      {
        //通過向進程主窗口發(fā)送關閉消息達到關閉進程的目的
        p.CloseMainWindow();
        //等待1000毫秒
        Thread.Sleep(1000);
        //釋放與此組件關聯(lián)的所有資源
        p.Close();
      }
      fileIndex = 0;
      RefreshListView();
      this.Cursor = Cursors.Default;
    }
    private void RefreshListView()
    {
      listView1.Items.Clear();
      //創(chuàng)建Process類型的數(shù)組,并將它們與系統(tǒng)內(nèi)所有進程相關聯(lián)
      Process[] processes;
      processes = Process.GetProcessesByName(Path.GetFileNameWithoutExtension(fileName));
      foreach (Process p in processes)
      {
        //將每個進程的進程名稱、占用的物理內(nèi)存以及進程開始時間加入listView中
        ListViewItem item = new ListViewItem(
          new string[]{
            p.Id.ToString(),
            p.ProcessName,
            string.Format("{0} KB", p.PrivateMemorySize64/1024.0f),
            string.Format("{0}",p.StartTime),
            p.MainModule.FileName
          });
        listView1.Items.Add(item);
      }
    }
    private void buttonRefresh_Click(object sender, EventArgs e)
    {
      RefreshListView();
    }
    private void Form1_Load(object sender, EventArgs e)
    {

    }
  }
}