進程管理實例

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Diagnostics;

namespace processManage
{
 /// <summary>
 /// Form1 的摘要描述。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.ListView listView1;
  private System.Windows.Forms.MainMenu mainMenu1;
  private System.Windows.Forms.MenuItem menuItem1;
  private System.Windows.Forms.MenuItem menuItem2;
  private System.Windows.Forms.MenuItem menuItem3;
  private System.Windows.Forms.ColumnHeader columnHeader1;
  private System.Windows.Forms.ColumnHeader columnHeader2;
  private System.Windows.Forms.ColumnHeader columnHeader3;
  private System.Windows.Forms.ColumnHeader columnHeader4;
  private System.Windows.Forms.ColumnHeader columnHeader5;
  /// <summary>
  /// 設計工具所需的變數。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public Form1()
  {
   //
   // Windows Form 設計工具支援的必要項
   //
   InitializeComponent();
   ListAllProcesses();

   //
   // TODO: 在 InitializeComponent 呼叫之後加入任何建構函式程式碼
   //
  }

  /// <summary>
  /// 清除任何使用中的資源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  private void ListAllProcesses()
  {
      string processName;
   int processID;
   int threadsNumber;
   TimeSpan cpuTime;
   int processMemory;
   //清隊列表中所有的內容
   this.listView1.Items.Clear();
   //獲取當前系統中所有的進程
   Process[] processes = Process.GetProcesses();
   //在列表中加入每個項目
   for(int i=0; i < processes.Length; i++ )
   {
      processName = processes[i].ProcessName;
               processID = processes[i].Id;
               threadsNumber = processes[i].Threads.Count;
               cpuTime = processes[i].TotalProcessorTime;
    processMemory = processes[i].WorkingSet;

    //構造項目內容
    string[] subItems =
     {
       processName,
       processID.ToString(),
       threadsNumber.ToString(),
       string.Format("{0:00}:{1:00}:{2:00}",cpuTime.Hours,cpuTime.Minutes,cpuTime.Seconds),
     string.Format("{0:#,#,#}K",processMemory / 1024)
     
     };

    //插入一行項目
    this.listView1.Items.Insert(i,new ListViewItem(subItems));
   }
  }

  #region Windows Form 設計工具產生的程式碼
  /// <summary>
  /// 此為設計工具支援所必須的方法 - 請勿使用程式碼編輯器修改
  /// 這個方法的內容。
  /// </summary>
  private void InitializeComponent()
  {
   this.listView1 = new System.Windows.Forms.ListView();
   this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
   this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
   this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
   this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
   this.columnHeader5 = new System.Windows.Forms.ColumnHeader();
   this.mainMenu1 = new System.Windows.Forms.MainMenu();
   this.menuItem1 = new System.Windows.Forms.MenuItem();
   this.menuItem2 = new System.Windows.Forms.MenuItem();
   this.menuItem3 = new System.Windows.Forms.MenuItem();
   this.SuspendLayout();
   //
   // listView1
   //
   this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
                      this.columnHeader1,
                      this.columnHeader2,
                      this.columnHeader3,
                      this.columnHeader4,
                      this.columnHeader5});
   this.listView1.Dock = System.Windows.Forms.DockStyle.Fill;
   this.listView1.Location = new System.Drawing.Point(0, 0);
   this.listView1.MultiSelect = false;
   this.listView1.Name = "listView1";
   this.listView1.Size = new System.Drawing.Size(304, 329);
   this.listView1.TabIndex = 0;
   this.listView1.View = System.Windows.Forms.View.Details;
   //
   // columnHeader1
   //
   this.columnHeader1.Text = "名稱";
   //
   // columnHeader2
   //
   this.columnHeader2.Text = "ID";
   //
   // columnHeader3
   //
   this.columnHeader3.Text = "線程數";
   //
   // columnHeader4
   //
   this.columnHeader4.Text = "CPU時間";
   //
   // columnHeader5
   //
   this.columnHeader5.Text = "內存數量";
   //
   // mainMenu1
   //
   this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                       this.menuItem1,
                       this.menuItem2,
                       this.menuItem3});
   //
   // menuItem1
   //
   this.menuItem1.Index = 0;
   this.menuItem1.Text = "創建進程";
   this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
   //
   // menuItem2
   //
   this.menuItem2.Index = 1;
   this.menuItem2.Text = "結束進程";
   this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
   //
   // menuItem3
   //
   this.menuItem3.Index = 2;
   this.menuItem3.Text = "刷新列表";
   this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 15);
   this.ClientSize = new System.Drawing.Size(304, 329);
   this.Controls.Add(this.listView1);
   this.Menu = this.mainMenu1;
   this.Name = "Form1";
   this.Text = "Form1";
   this.Load += new System.EventHandler(this.Form1_Load);
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// 應用程式的主進入點。
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

  private void Form1_Load(object sender, System.EventArgs e)
  {
  
  }
  public void OnProcessExited(object sender,EventArgs e)
  {
     ListAllProcesses();
  }

  private void menuItem1_Click(object sender, System.EventArgs e)
  {
   //構造打開文件對話框
   OpenFileDialog ofDlg = new OpenFileDialog();
   //選擇可執行文件
   ofDlg.Filter = "All Excutables (*.exe)|*.exe";
   //顯示對話框
   if(ofDlg.ShowDialog() == DialogResult.OK)
   {
    try
    {
     //啟動選擇程序
     Process newProcess = Process.Start(ofDlg.FileName);
     if(newProcess != null)
     {
      //監視進程退出
      newProcess.WaitForExit();
      //指定退出 事件 方法
      newProcess.Exited +=new EventHandler(OnProcessExited);

     }
     //刷新ListView控件
     ListAllProcesses();
    }
    catch(ArgumentException excep)
    {
        MessageBox.Show(excep.Message,"參數錯誤",MessageBoxButtons.OK,MessageBoxIcon.Error );
    }
   }
  }

  private void menuItem2_Click(object sender, System.EventArgs e)
  {
   if(this.listView1.SelectedItems.Count > 0)
   {
      int processID = Int32.Parse(this.listView1.SelectedItems [0].SubItems[1].Text);

    //根據ID獲取進程
    Process selectedProcess =Process.GetProcessById(processID);
    //當進程退出時發出Exit消息
    selectedProcess.WaitForExit();
    //進程退出的事件方法
    selectedProcess.Exited += new EventHandler(OnProcessExited);
    //如果進程還沒有退出
    if(!selectedProcess.HasExited)
    {
     if(!selectedProcess.CloseMainWindow())
     {
      //提示是否要中止進程
      if(MessageBox.Show("不能關閉應用程序窗口，需要終止進程嗎？","提示",MessageBoxButtons.YesNo,MessageBoxIcon.Question) == DialogResult.OK)
      {
       try
       {
        //終止進程
        selectedProcess.Kill();
       }
       catch(Exception excep)
       {
        MessageBox.Show(excep.Message,"不能終止進程",MessageBoxButtons.OK,MessageBoxIcon.Error);
       }
      }
     }
    }
    else
    {
       MessageBox.Show("選中的進程己退出!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
     ListAllProcesses();
    }
   }
   else
    MessageBox.Show("請選擇一個當前正在運行的進程!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
  }

  private void menuItem3_Click(object sender, System.EventArgs e)
  {
   ListAllProcesses();
  }
 }
}